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ARCHIVE OF ARTICLES FOR RADIO AMATEURS

Need an article from a technical magazine? Take advantage of our article archive search.

You can easily find out in which journal, indicating the year and number, the article you are interested in was published.

The search is conducted in the database of more than 200000 articles popular books, magazines and collections:

Automation library, Electrician's library, Radioamator's Notebook, To help the radio amateur, HF magazine, HF and VHF, Kvant, Constructor, Mass radio library, Model designer, Science and life, Electronics news, New Radio Yearbook, Popular mechanics, Radio, Radioamator, Radioamator -the best, Radio business, Radio design, Radio yearbook, Radio components, Radio designer, Radio amateur, Radio world, Radio circuit, Radio hobby, Repair and service, Electronic equipment repair, Self, Service center, Power electronics, Circuit engineering, Technique - youth, Chemistry and life, EKiS (Electronic components and systems), Electrician, Electronics, Junior Technician, I am an electrician (more).

Automation Library Electrician Library Library Quant Electrical Engineering Library Radioamator's notepad Help for a radio amateur Know and be able KV magazine HF and VHF Quantum Constructor Mass radio library Model Designer Science and life Electronics News New Radio Yearbook Popular mechanics Радио Radioamator Radioamator-best radio business radio design radio yearbook Radio components Radio constructor Ham radio Radiomir radio circuit radio hobby Repair and service Repair of electronic equipment To say more about Service center Power electronics Circuitry Technique - Youth Chemistry and Life EKiS (Electronic components and systems) Electrician Electronics Young technician I'm electric

Enter the title of the article or part of it. For example: "car battery charger" or simply "charger".

Examples of full article titles: "Как фрукты и овощи получили свои названия?"; "Левитация себя"; "Теория эволюции органического мира".

Alphabetical index of articles:

Index of articles by year:

Contents of journals (alphabetical index of articles):

Detailed abstracts of articles:

Detailed abstracts of articles in English:

About the 555th timer and one non-standard inclusion of it

About TVI. Connecting Polish antennas

About battery receivers

About battery receivers (in order of discussion)

About free plots for large families

About immortality and variability

On the immortality of polymers

About transformerless power supplies with a quenching capacitor

About the biology of equality, or For beautiful grandmothers!

About biologically dead air

We will say a word about the bipolar transistor

About the near field of the receiving antenna

About the near field of random and surrogate antennas

About close from afar

About bird diseases

About swamps with respect and love

About big numbers

About rodent control

About the fight against impulse noise

On the fight against interference with television

About damask steel

About former glory and forgotten traditions

About household waste

About tape entry

About departmental and corporate communication networks

On the great number of Denogardus and Hooke's law

About bicycles

About ventilation of the cellar and garage

About loyalty and jealousy

About probabilities and good numbers. (Solution of problem M204)

About vertical polarization

On the interaction of UMZCH with the load

About the interchange of elements for surface mounting in SMD packages

On the interchangeability of bipolar transistors

On the interchangeability of electronic engine control units

About videotelephony

About vortex rings

About turning on the recording head

On the inclusion of soldering irons in a 220 V network

About switching on a three-phase motor

On the inclusion of a three-phase motor in a single-phase network, facilitating start

On the inclusion of electric motors in a single-phase network

Tastes differ

About the taste of a whole mushroom

On the influence of space on the biosphere

On the impact of the crisis on the Ukrainian electronics market

On the influence of power lines on television reception

On the influence of a metal traverse on the operation of an antenna

On the effect of NFB on the formants of audio signals

About external cell phone antennas

About the Water Beast and Acoustic Resonance

On the excitation of linear tube power amplifiers in a grounded grid circuit

On the possibility of rotation of the repaired device

About the possibility of modeling the super-regenerative mode in EWB-5

On the possibility of power transmission along a single-core conductor using the Avramenko Plug

On the possibility of creating coal-fired power plants

About the ability to control lava flows

On the Possibilities of Broadband Ultra-Dynamic Amplifiers

On the age of Russian chemists

About the waves on the sea and the ripples in the puddles

About waves, floats, storms and more

About the magical story

About a magic spell that changed the life of one person (story)

About bass reproduction

About bass reproduction

About the restoration of chokes for fluorescent lamps

About restoring sound in ZUSCT TVs

On the restoration and operation of nickel-cadmium disc batteries

About the restoration of the kinescope with constant heat

About restoring your Cortland TAB 001 tablet

About restoring the performance of old black-and-white kinescopes

On inscribed-circumscribed polygons

About the rotation of a segment

On the dangers of co-authorship

About harmful sound. Effect of sound volume on hearing

About times, about morals

About time and about yourself

About the Timing Chart of the Canon NP-1215 Copier

About the timing chart of the Panasonic FP-1780/FP-2680 copier

About time delays in power amplifiers

About universal gravitation, ebb and flow

About the meeting with the extraordinary

About the second manned space flight

About selecting the antenna and input device of the TV for long-range reception

About the choice of capacitance value of the zero-sequence voltage filter capacitors of the motor protection device

About choosing a broadcast color television system

About the choice of the output power of the bass amplifier (according to the pages of foreign magazines)

About the selection and replacement of IGBT modules

About the choice of the coordinate axis, a simple way to determine the size of molecules, about the law of oscillatory motion

About Selecting a Count Base for Switches

About Selecting Mixing Diodes for a Direct Conversion Receiver

About the choice of elements of the UMZCH power supply

About the benefits of using LED lamps

About the alignment and characteristics of the ULF transceiver

About tall trees

About tall trees (statistics and simple estimates)

About high quality connectors for CAVEL cables

On entering the Russian notebook market

About the output impedance of the UMZCH

About knitting bast

About lawns

About gas-discharge visualization of the Olympic aura

About halogen bulbs

About genes, mutations and vitamins

About AIDS Gene Therapy

About geography in general and school in particular

About hepatitis

On the death of monarchs

About bending sheet duralumin

About water hammer

About the switching voltage hysteresis of the Schmitt trigger of the K561TL1 microcircuit

About floating verbs

About the Voice of America and some confessions of American congressmen

About public funding of radiosport

On the boundaries of the roots of a cubic equation

About graphs with colored edges

On a graphical method for solving some physical problems

About graphospasm, bulb and cavitation

About the twin driver loudspeakers

About pressure and Pascal's law, or Why does cheese have round holes?

About the further work of the Correspondence School of Programming

On the binary number system. (Second letter to Seryozha)

About Bipolar Nutrition

About two cyclists and a cherry pit

On two actions with real numbers

On two parallelograms in a triangle

On two Euler formulas

About the standby mode of TVs (what to do if you have a Funai TV)

About the effective volume of the antenna

About damping dynamic heads

About dendrites

About the decimal notation of some numbers

About detectors, about inertia and other things

About the band 18.068...18.168 MHz

On the dynamics of curvilinear motion

About golf ball dynamics

About dynamic distortion in transistor amplifiers

On dynamic distortion in transistor bass amplifiers

About dynamic distortion, environmental protection and wire resistance

About Diophantine Analysis

About the discriminant

On diffusion in crystals

About the good old AUK.1M equipment

On the quality factor of coils wound with a litz wire

About kind and smart animals

About longevity

About home sawmills

About the additional block to rural radio centers

About finalization of low-frequency dynamic heads

About the finalization of the Arcturus-006S player

About the finalization of the electronic clock

On the completion of the electric player Elektronika EP-017S

About roads without fools

On the achievements of Ukrainian radio amateurs. stations under DXCC and UDXA programs

On stock and bond returns

About preschool mathematics and not only

About friend-comrades

About fire lizards

About female instinct

About living and dead water

About the life of our kind

About the forgotten radio wave band

About the mysterious bacterium and the great mission of science

About problems in photometry

About problems that can be built using only circles and straight lines

On the Malfatti problem

About the Pythagorean problem

On the Rado problem. (Solution of problem M321)

About Kepler's laws

On the law of conservation of energy in mechanics

About slowing down time

About replacing the video heads on VHS VCRs

About replacing the soldering iron switch Spark

About replacing the main board SSB on TV chassis Q552.4E LA from PHILIPS

About replacing diodes and transistors

About clutch disc replacement

About replacing the power supply of cordless phones

About replacing quartz

About replacing quartz in PC Spectrum

About replacing the quartz resonator

About replacing KT848A in the ignition unit

About replacing incandescent lamps in EPU G-602

About oil sensor replacement

About replacing the chip in a digital multimeter

About replacement of fuses, resistors, capacitors, repair of transformers

About replacing a piezo head with a magnetic head in an old EPU

About replacing a horizontal transformer in some TV sets manufactured by the GDR

On the replacement of transistors

About the visibility of distortion

On the visibility of non-linear distortions of the power amplifier

About the smell of the real O de Colon

About refilling laser cartridges

About refilling ink cartridges

About starting an asynchronous motor

On tangled ropes and the topology of polymer chains

About chargers and more

On the settlement of planets

About blockages of capillary tubes in household refrigerators

On the protection of premises and electrical wiring from rodents

About protecting the transceiver from overvoltage at the output of the power supply

About the protection of the electronic switch

On the protective role of interlocks in the operation of electrical equipment

On the protective role of human skin in electrical injuries

About stars, eagles and shakos

On the Importance of Science

About the Golden Isle and the Fourth Eye

About zoning DVD players

O names! Oh manners!

What kind of world is referred to in War and Peace?

What representative of the animal world are we talking about? (puzzle)

About S-meter calibration

About frequency calibration of a crystal oscillator

About the campaign to replace old equipment with new

About voucher cards

About the tangent to the graph of a function

Seriously about catalysis

About SSB Signal Quality

About speaker quality

About sound quality on CDs

About the quality of the SSB transmitter

On the quality of broadcasting equipment

About the quality of broadcast receivers

About the quality of WTU radio nodes

About the quality of spring water

About KBV zigzag antenna

About the squares of numbers

On quasi-periodic sequences

On the quantum nature of heat

About quartz filters

About ceramic capacitors

On cybernetics, Wiener and the Wiener process. (To the 100th anniversary of Norbert Wiener)

About Kikoin, SI units and standards

About cinematography

About the Chinese vase and the heart of Koshchei, or Relentless aging and malignant growth of cells

About classification

About cells, people and countries

On the key problems of physics and astrophysics

About Poya's Mathematical Discovery

About the insidiousness of domestic transistors in plastic cases

About carpets non-standard and unusual

About the code of a secular person

About caps stored in a dark closet

About switches on popular optocouplers and triacs

About FASTWEL

About Pulse

About SZA

About composite structures in UMZCH

About circuit board layout

About computer professions. Composers of the computer world

About the competition for mass TV

About tin can, spring and rolling mill

On the design and configuration of the thyristor ignition system

About the design of the rotary device

About the structure of the double square antenna

About the design of the device case

About the design of the radio station TRAN - T + R

About monitoring the power consumption from a DC source

About EPU disk speed control

About the end of the century, the end of the world and the beginning of the millennium

About smokehouse and smoking

About smokehouse and fish smoking

About shortwave receivers

About the correct consideration of dynamic thermal distortions of high-power field-effect transistors of the output stage

On corruption in post-industrial society

About the cosmic constancy of fun and dirt

About the cat and armpits

About coffee and how to brew it

About cats

About the red cavalry and other things

About beauty, purity, fidelity - everything that we want from the image of monitors

About fixing lamps in the SDU screen

About attaching mounting wires to the printed circuit board

About curvature

On the criteria for the danger of electric current to humans

About the criticality of the power amplifier supply

About the circle. Useful formulas. Tasks and puzzles

About the laser heads of CD, MD and DVD units

About laser sights and traffic lights

About the lampization of the sound of household equipment

About the lamp-field-bipolar-microcircuit UMZCH

About Gagarin's legendary smile: to the 50th anniversary of the first manned space flight

About Easy Breathing

About Bernoulli's lemniscate

About the medical device Reton. Self-manufacturing. Repair

On pseudoscience and the need to combat it

About pseudoscience, its consequences and mistakes in science

About sound recording literature

About logarithmic convexity

About logical and illogical tournaments

About a beam of light in the dark theory of the electromagnetic field

About the amateur modular mixing console

About truthful people, liars and deceivers. (Solution of problem M585)

About people walking out of step

About people working with a spark

About lambda diodes in communication equipment

On the magnetic ordering of dogs

On the maxima of the Van der Waerden function

About the little known

About small television centers

On the marking of foreign-made ceramic capacitors

About mass publications on transistor receivers

About mastic Guerlain

About mathematicians - with a smile

About the mathematics of harmonic oscillations

About mathematics and mathematicians with irony and love

About Mathematics of the Land of Soviets

About mathematical conventions. paradoxical game. Paradox of infinity

On the mathematical preparation of applicants

On the mathematical creativity of schoolchildren: equi-intersecting broken lines, the generalized Markov equation, how to differentiate a function a fractional number of times?, a common fixed point of two functions

About the time machine and the theory of relativity

About the Foucault pendulum

On the medal Bliss for everyone and everyone

About honey and not only about it

About the international scientific-practical conference Anomalous physical phenomena in the energy sector and prospects for the creation of non-traditional energy sources

Say a word about the workplace

About drawer drawers

On the mechanics of Aristotle

About microbial cancer therapy

About microcircuits KF548XA1 and KF548XA2

About the K176IE2 chip

About mimosa and acacia

About minerals - in general and in particular

On Minimizing Nonlinear Distortions Introduced by Electrolytic Capacitors

About a lot of tricky faults, or still check the electrolytic capacitor

On the model of the future of Russia

About upgrading the desktop air ionizer

On the modulus of a square trinomial

About the CLC modulator

About lightning protection of receiving television devices

About the youth that will change the world (VIII All-Russian exhibition NTTM)

On the milkiness and hornlessness of bulls

About frosty patterns and scratches on glass

About maritime romance and military duty

About powerful LEDs. From the practice of using

About mice and genes

About the soft start of the kinescope

On observations of bright fireballs and the search for meteorites

About the reliability of car alarms

Consumers talk about reliability

On the reliability of radio equipment

About the appointment of the poet

About the best approximations

About drawing on the board

About filling and capping bottles

About the direction of the wires

On the field strength of Moscow DV and NE radio stations

About threading water pipes

About the language-creating people

About folk antenna amplifiers

On violation of the law when providing consumers with information about the product and on the establishment and execution of warranty obligations

About setting up the multi-band combination antenna

About setting up the RC clock generator built into the PIC12F629 and PIC12F675

About the EMF setting

On the urgent needs of collective farm radio centers

About science without embellishment

About science, about life and about yourself

About science, about life, about happiness

About the Week of Science and Technology in Kyiv

About the malfunction of the white page of the Canon copier NP-1215

About malfunctions of the Sanyo TV UPS model STR8355-00

About problems with the HP Scan Jet 4C scanner

About malfunctions of the Akai TV model CT-2507D (rational offer to the company)

About TV malfunctions related to standby mode

About some shading in the heads

On some aspects of obtaining the status of a manufacturer's service center by organizations and individual entrepreneurs

On some aspects of the repair of CRT TVs imported

About some aspects of repairing motherboards of a personal computer

On some aspects of establishing and fulfilling warranty obligations for motor vehicles

About some versions of server phones with caller ID

About some types of digital amateur radio

On some issues of designing converters

About some modifications of the phone server Phone master and Caller ID set-top box Kalkofon

About some improvements of the digital multimeter type DT-830B and the like

About some modifications of the electronic clock

On some laws of recalculation of the parameters of inductors

On some irrational equations

About some malfunctions of power supplies for personal computers

About some malfunctions of the Sharp SF 2114 copier

About some malfunctions of the Daewoo KOC-961C microwave oven

About some problems with the ScanJet HP4200C scanner

About some features of the MP9012 PIC programmer

About some features of the Aero4gen wind turbine installation and its use on a cruising yacht

About some features of mounting the Aero4gen wind generator on a cruising yacht

On some features of the use of air ionizers (devices Chandelier Chizhevsky)

About some features of etching of printed circuit boards in a solution of copper sulphate

On some features of electromagnetic phenomena in transformers

On some features of cathode ray tubes with improved resolution and increased durability

About some features, design and operation of high-power lamp RA

Some Benefits of Surface Mounting

On some spatial isoperimetric problems

On some properties of simple chaotic self-oscillators

About some ways to improve the image quality of modern TVs

On some technological problems of microchip manufacturing

About some requirements for a tangential tonearm

On the necessity of switching signal circuits by contacts of a powerful relay

On the need to improve the reliability of line insulators for 6 kV distribution networks

About the necessary features of the civilization of the future

On the folly of evolution

On the instability of the transfer coefficient of the output transistors UMZCH

On accidents associated with the operation of lifting machines and mechanisms near electrical installations

About the tireless frog

About the low quality of Chinese lamp sockets or why compact fluorescent lamps burn out quickly

About the new book and its author

About the new sports classification

About the new academic reference book on the Russian language

About the new GOST for electrophones

About the new set of spelling rules

About the new guard and the old fleet

About new notation

About new developments of radio equipment

About new discharge standards and requirements

About the values ​​​​of resistors and capacitors

On Newton's laws of motion. Weight

On Newtonian laws of motion. Strength

On the Newtonian attraction of ellipsoids

On the parasitic nature of the male sex

About parasitic generation in analog circuits

About parasitic FM in GPA

About parallel connection of transformer windings

About parallel lives

On parameters and standards in electroacoustics. Part 1

On parameters and standards in electroacoustics. Part 2

On the parameters of the devices of the subscriber section of digital cable TV networks

About beverage foam

On the first law of the electric circuit

About pioneers and pioneers

About Overdrive Correction Amplifier

About the beginner's transmitter

About the programs of the Moscow Television Center

About alterations of broadcast receivers

About altering the ignition coil

About reworking old TVs

On the movement of programs in machine codes

On the transfer of a printed circuit board pattern onto a film photoresist

About program portability

About LC oscillator frequency tuning

About the orbital period of satellites

On the periodicity of numbers in the natural series

On the prospects for the development of SSB

On the prospects for the development of amateur television

About printed circuit boards

About the gun soldering iron

About the power of fluorescent lamps

About the power supply of fluorescent lamps with direct current

About powering incandescent lamps with direct current

About the power supply of fluorescent lamps

About the power supply of low-power household equipment

About powering multimeters from the AC adapter

About the supply of heating elements with direct current ... and more

About Peripheral Power

About feeding radio receivers with free energy

About powering luminaires with 12 V lamps

About the power supply of the digital tachometer

About powering electric soldering irons with direct current

About smooth volume control

About planetary radiation

About plane curves

On plane regular graphs

On the heat density of electric heaters and their safety

About the area of ​​a polygon

On the recurrence of the same electrical injuries

About increasing the dynamic range of direct conversion receivers

About the increase in voltage at the output of the alternator

About improving the horizontal image clarity in SECAM color TVs

About the suppression of the mirror channel

On the selection of analogues of transistors for horizontal output stages

About the selection of quartz resonators

About the selection of thyristors KU221A

About the selection of transistors for high-quality bass amplifiers

About preparatory departments at universities

About the training of radio amateurs and the Digi-80 transceiver

About forgery of video documents

About underground toponymy

About connecting DVD players via RF TV channel

About connecting a Dreamcast set-top box

About connecting isodynamic stereo phones to ULF

About connecting apartment calls

About connecting the MU-56 module

About retaining walls and stone steps

About the illumination of the scale in radio receivers

O field, field!

About the benefits of porcini mushrooms

About the benefits of the useless

About the benefits of delicious

On the usefulness of excircles

About the benefits of depression

About the benefits of daytime sleep

About the benefits of holes in the skull

About the benefits of whims

About the benefits of cognac flour

About the benefits of power lines

On the benefits of mathematics for cowboys

About the benefits of Microcap for the audiophile circuit engineer and our ears

On the Benefits of Prayer

About the benefits of mulch

About the benefits of absurdities

About the benefits of the greenhouse effect

About the benefits of walking

About the benefits of multivitamins (story)

About the benefits of a radio amateur hobby, or WRTC through the eyes of a radio amateur's wife

About the benefits of sapropel

On the benefits of sexism

About the benefits of rolling balls

The benefits of sleeping during work hours

On the benefits of following the instructions, or free advice to owners of Epson printers

About the benefits of spices

On the benefits of harassment

About the benefits of cholesterol

On the Usefulness of Truly Sophistical Numbers

About the benefits of reading a magazine

About the benefits of chocolate

On television interference

On the noise immunity of household equipment

About the noise immunity of car radio locks

On the concepts of area and volume

About the popular high frequency oscillator circuit

On an attempt to rethink the fate of Russia in the XNUMXth century

On the procedure for obtaining permits for the operation of radio stations

On the procedure for registration and operation of amateur radio stations

About the post-industrial society and the origins of anti-globalism

On the construction of a 17-gon

About Bertrand's postulate

About singing wires, or Riddles of the spring

About truth-seekers and liars (puzzle)

About the right power for LEDs: an overview of power supplies for various applications

About proper mixing, or the path to entropy alloys

On regular polygons, the Euler function and Fermat numbers

On the legal significance of the lists of goods approved by Decrees of the Government of the Russian Federation No. 720 and No. 1013

About practical electronics nowadays

About the superiority of high technologies. Story

On the benefits of monogamous marriages

About the transformation of carriages and collars

About teaching radio engineering in high school

About the preparation of ferric chloride

About receiving DRM broadcasts

About receiving HF radio stations on a CB receiver

About admission to the biological department of VZMSh

About Yunost-102 and Yunost-202 receivers

About receiver Leningrad

On the signs of divisibility for 1973

About the application of car GPS/GPRS tracker BM8009L

About the application of BM8039 Guardian unit

About the application of the video eye

About using the remote control of old TVs

On the use of ceramic capacitors in power circuits on system (mother) computer boards

About the use of ceramic resonators

About the application of high-power ultra-bright LEDs

About the use of multiplexers

About the practical application of the BM8039 Guardian kit

On the application of one inequality

About the use of the operational amplifier LT1228 in low-frequency devices

On the use of frequency converters of the SINAMICS family from Siemens. Siemens offers a new family of frequency converters

About radio call application

On the use of matching amplifiers in amateur radio practice

About the use of foil materials

About the applicability of UOC III chips from Philips Semiconductors

About the principles of operation of noise suppressors

About the principle of operation of the chess field generator

On the nature of pain and the mechanism of anesthesia

About the nature of things

On the nature of noble gas hydrides

On the nature of kissel shores

On the nature of cosmic magnetism

On the nature of ball lightning

On the nature of emotions, or what an amoeba feels in hot water

On the assignment of new titles

On the causes of the Aral catastrophe

On the reasons for the persistence of communist views in Russia (possible logic of the study)

On the reasons for reducing the dynamic range of direct conversion receivers

On the Pleasant Consideration of Curvilinear Figures

About cork and bottle

About the problems of household acoustic systems and about tone control

On the problems of practical implementation of some types of ARC-filter links

On the problems of electrolytic capacitors in the practice of repair and design of equipment and on the solution of these problems

About the TVI problem

About the problem of starting a car engine

On the problem of ensuring detection ranges and auto-tracking of ground objects

About conducting QSO through the amateur radio satellite RS-12

On inspections of economic entities by public associations of consumers

About testing distilled water

About checking quartz

About programs and errors, machines and programmers

About software errors in Ricoh FT 4220/4222, Nashuatec 3320/3322 and MB5415 copiers

About walking around the city that doesn't exist

About extending the life of the kinescope

About designing low-voltage vinyl correctors

About electronic ballast design

About washing the print head of Epson printers and a blown fuse

On the promotion of amateur creativity

About simple and complex

About simple and powerful voltage regulators

About simple switches on triacs and optocouplers

On simple machines, dia- and paramagnets, Rutherford's experiments and the phenomenon of radioactivity

On simple cases and elementary circuits

About simple ways to develop GSM devices and their areas of application

About simple transistor receivers

About prime numbers

About the profession of mathematics

About professional and amateur linguistics

About the past for the future

About the past for the future (chapters from the book of memoirs)

On the psi-function of a student and the principle of uncertainty of knowledge

About the birds of the big city

About birds, convicts and altruism

About bird language

About starting a three-phase motor from a single-phase network

On the paths to universal communication

On the ways of development of mass television

About Pushkin's Anchar: toxicology or poetry?

On piezoceramics and the prospects for its application

About fifteen unexpected advanced features of Google and Yandex

About r/station Elektronika I-PPB-60

About the operation of the FM modulator in the car

About the work of hitchhiking in Sanda MP-207-1C

About operation on 10 and 14 meters

About operation in the range of 160 m

About the work of HF transmitters during television hours

About the operation of a quartz oscillator at non-standard frequencies

About 160m operation

About the operation of the receiver on the K174XA34 chip

About the work of the Radiotechnical Consultation of the Central Committee of the USSR named after E.T. Krenkel

About working with DX

About working with the PSN-40 soldering iron

About working with epoxy

About the work of Soyuzposyltorg

About the operation of a three-phase electric motor in a single-phase network

About the operation of VHF-FM stations in duplex mode

About the work of the URS

About equality of co-authors

About amateur radio training for young radio operators

About radio amateurs-Chernobyl victims

About radio workshops

About radios

About Baku radio

About private radio stations

About radiofication of rural areas

On the development of VHF FM broadcasting

About dimension

On the variety of causes of severe and fatal electrical injuries

About developments of Synapse ChNPP in the field of cogeneration technologies using coal mine methane

On the development of a strategy for promoting export-oriented information technology industries (excerpts)

On cutting a triangle into similar ones

On cuts of polygons and Euler's theorem

About the resolution of a laser printer

About the destruction of silver coatings

About category norms, competitions, refereeing

About races, nations, Uncle Sam and Odessa-mother

About decoding car radios

On opening parentheses, on Euler, Gauss, Macdonald, and on missed opportunities

On the distribution of prime numbers

About VHF distribution

About scattering, or How to measure the fat content of milk

On the calculation of the capacitance of the quenching capacitor for the soldering iron

On the calculation of the resistance of the quenching resistor in the active load circuit

About the calculation of steps on a field-effect transistor

On the calculation of the equalizer on PMK Elektronika B3-34

On the implementation of negative capacitance in the equivalent circuit of a capacitive transforming four-terminal network

About the real selectivity of HF receivers

On the regeneration of elements in the Ocean

About Turkish Regional Broadcasting

About volume control

About the regulator for an electric drill and more

About Analog Transmitter Redundancy

About rivers and lakes

About time relay

About the relief of the bark on a tree trunk

About Nokia 7210 and Nokia 6610 repair

About the repair of acoustic systems and loudspeakers

About Funai TV power supply repair

On the repair of household vibration pumps designed to lift water from a well

About repair of G3-112 generators

About repair of GZ-118 generators

About repairing your Philips iron

About the repair of loudspeakers and acoustic systems

About the repair of the IBM-6657 LCD monitor and the methodology for testing the power inverters for the backlight lamps of the LCD panels

About repair of foreign coffee grinder CIATRONIC KSW.3307

About the repair and refinement of the Sony F419R transistor amplifier

About the repair and modernization of two-burner household electric stoves of the type EPT-2-2,0 / 220 TELPA-2M and not only about this

About the repair and modernization of Chinese lanterns

About the repair and self-production of the Reton medical device

On the repair and operation of household radio equipment

About the repair and operation of the inkjet printer

About the repair of imported table fan, its second profession and upgrading

About the repair of imported lanterns

About the repair of Chinese soldering irons and soldering stations

About the repair of medical ultraviolet light appliances

About microcomputer repair

About repair minisink Karcher K4.650

About Repairing Power Modules

About repairing ViewSonic G655 monitors

About repair of multimeters DT-830

About the repair of woofer heads loudspeakers

About digital camera lens repair

About the repair of the oscilloscope S1-94

About repair of S1-94 oscilloscopes

About the repair of radio-electronic equipment

About TV repair Rolsen C1470S (T), C2170S (T), C21R70 (I) (T), C15R80S (T), C17R80S (T), C21R68, C21R80

About the repair of Sitronics STV-1401N / 2101N TVs on the TV2KY chassis

About the repair of TVs from Funai and Toshiba

About repair UMZCH on IC

About refrigerator repair

About x-ray radiation from color TVs

About 70 cm band repeaters, about expanding the frequency grid for 2 m band repeaters

About restoring sound on a PC

On the solution of Hilbert's tenth problem

About relatives - close and not so

About a rose with iron thorns

On the role of letters in science and life

On the role of bast shoes in history

On the role of the individual in the herd

On the role of paradoxes in the history of science

On the role of PTB in ensuring safe working conditions during the operation of electrical installations

On the role of the human factor in ensuring the safety of service and the reliability of the operation of overhead power lines

About Russian palindromes

About the simplest voltage indicators

About the simplest voltage stabilizers

About drilling printed circuit boards in amateur radio conditions, and not only about that

On ultra-long-range propagation of HF

On superfluidity of liquid helium-II

About the light transmission of LCD panels

About Freedom

About my work as a writer

On the properties of the center of a circle. (Solution of problem M1146)

On the relationship between domestic fires and electrical injuries

About holy people

About saltpeter, gunpowder and fire

About the seed and the nature of the child

About Sergei Lvovich Pushkin

About serious and frivolous scientists

About cigarette filters, or how to make something pleasant harmless

About the forces of inertia

On the forces of friction

On the power of chess pieces

About synchronization of grid field generators

About RST and RSM systems

About number systems

About systems of physical units

O formidable rocks are crushed with the roar of the wave

About speeds, skiing and personal relationships

About hidden possibilities for checking electrolytic capacitors

About the Dahl dictionary

About random walks

About high dynamic range mixers

About snowballs, nuts, bubbles and... liquid helium

About detonation reduction in LPM

On reducing the level of ripple at the output of the rectifier

About Gathering Minerals

About the compatibility of the MP2897 Embedded Multimedia Module with various audio amplifiers

About modern technologies, electric vehicles, medicine and education

About matching small antennas

On the matching of plate antenna amplifiers

About matching a half-wave antenna

About connecting the components of a stereo complex

About connecting stranded wires to a printed circuit board

About the reduction of indicators

About solar eclipses in general and specifically about the eclipse of July 31, 1981

A light spot tells about the composition of the liquid

On the state of research work and advanced training of scientific personnel

Oh sport, you

On the sports ethics of the shortwave

About ways to turn on the load of bass amplifiers

About ways to start fluorescent lamps

About the speaker connection method

About the method of installing AGC in ULPCT-59/61-II TVs

On Comparative Evaluation and Selection of the Optimal Conversion Scale of Modern ADCs

About GPA frequency stabilization

About the CDMA standard in cellular communication systems

About IEEE 802.15.4

About ISO/IEC 14496-10 (MPEG-7)

About the formation of a young scientist

Geologists will tell about old Ryazan

About old age, death and evolution

About the article by D.A. Sakharov Physiologist Turpaev

About the article Stereo UMZCH 2x250 W

About the article Improved transformerless tube-transistor UMZCH

On the degree of danger of work performed in electrical installations with and without removal of voltage from current-carrying parts and near them

About poetic meter

About the collision of balls and serious physics. Is the Compton effect complicated?

On the Stolypin reform

On the construction of a tunnel to Sakhalin Island

About the structure of benzene

About the structure of ice

On the fate of some concepts of mechanics, the energy of the electric field, the drop model of the nucleus

About exciter circuits

About crystal oscillator circuits

About Feedback Adjustment Schemes

About the circuitry of KB transceivers using reverse links

About the circuitry and repair of the Sony TA-FA5ES audio amplifier

On Happiness and Longevity

On the so-called damless method of generating electricity

About melting ice

About creative disobedience

About Dawn-307-1 TV

About the telegraph key on the elements 2I-NOT

About the TV game Sea battle

On the temperature of electric heaters and the possibility of its reduction

On the uniqueness theorem in electrostatics

About theremin and paradoxes

About the thermostable point of field-effect transistors

About thermal cycling and thermal cycling in IGBT power modules

About thermoelectricity, anisotropic elements and... the English queen

About the technical history

About the technology of single / small-scale production of printed circuit boards

About laser iron technology

About the flow of cats

About typical malfunctions of the power supply and high-voltage unit of the Panasonic KX-P4400 printer

About thick and thin muscles

About how chance rules our lives. Myth busting myth

About how the Soviet heavy-duty KB transmitter burned through the ionosphere

About what happened to the daughter of Cassiopeia

About trade in radio goods

About brakes and braking

About accurately determining the speed of a satellite

About vision accuracy

About etching double-sided printed circuit boards

About PCB etching

About board etching

About transistor relays

About Transistor Voltage Regulators with Output Short Circuit Protection

On transitive polyhedra

About the 160m transceiver

About transformers

About TVS transformers

About friction

About friction, graphite and nanoh

About triangular billiards. (Solution of problem M1155)

About the work of a scientist

About the phase characteristics of loudspeakers

On the phallus of Drosophila, or male chauvinism in science

About the phenomenon of swamp people

About feeder lines, SWR and matching

About physics in the backyard (winter sketches)

About 50 MHz Band Filters

About the shape of the raindrop

About orchards and kitchen affairs

About distribution functions, or How to water the garden with the wind

About the knight's move

About the cold tuning of the PL-loop

On chords of continuous curves. (Solution of problem M413)

About color

About color TVs

About color TVs. Visual assessment of the quality of work

About color TVs. Dynamic Mixing - Adjustment and Troubleshooting

About color TVs. Frame Scan - Troubleshooting

About color TVs. Color channel - faults and adjustment

About color TVs. Kinescope - operation and malfunctions

About color TVs. Operation adjustment

About color TVs. Horizontal scanning - malfunctions and adjustment

About color TVs. AGC devices and clock selectors

About the color synchronization of the Record-102 TV

On integer points of curves of the form xn + yn = cn

Say a word about poor Celsius

About digital electronics from scratch

About the pinout of triacs TS106-10

About kettles, pots and other kitchen utensils

About conversion frequencies in KRS-78

About frequencies, agreements and collisions

About frequency modulation

About ChTs-1 frequency meter

What does an extra tooth mean?

What does the music say

What does the octane number say?

What sign language says

What are the trees talking about?

What do the results say? (VII Summer Spartakiad of the Peoples of the USSR)

What do receipt cards say?

What babies talk about

What do they talk about in CB?

What the reports say

What do the letters say

What is the transformer buzzing about

What military intelligence reported

What the robin sings about, or about the benefits of the letter Y

What could Petrushka read in a chemistry textbook

What can the trees along the road say?

What can the numbers tell?

What can the marking of motor and transmission oils tell about

What can the label say?

What the AC case is silent about

What metal is silent about

What comets Hyakutake and Hale-Bopp reminded of

What did the cutlets remind you of?

What a skier doesn't think about

What the camera doesn't know

What do plants smell like?

What Science and Life wrote about 100 and 50 years ago

What popular science magazines of the world write about

What did the rectangular pulse tell

What the road said

What do crystals remember?

What do babies talk about?

What does a drop of blood say?

What did the Sayan cedar tell about?

What did the ancient figurine tell about

What the old book said

What does the banknote say?

What is one book about?

What do the leaves say?

What the Da Vinci Code is silent about

About the black body and the mirror

On four solutions of the equation x2 = x

About number?

About the number e

About the number e and n!

On the number of integer points in a flat set. (Solution of problem M1165)

About cleaning the LCD lens of the LG Music Center

About reading useful and exciting

About the sensitivity of the VHF receiver

About mooring, friction and the Euler formula

About hexagonal snowflakes

About ciphers

About the hat business and the business in the hat

On the legal force of the Rules for the sale of goods by samples. Legal aspects of trade and service in questions and answers

On the legal force of the Rules approved by the Government of the Russian Federation and on the basis of Articles 24, 26 of the Law of the Russian Federation On the Protection of Consumer Rights

About an apple, not simple, but gold

About nuclei and accelerators. What is a good accelerator

About foreign languages

About the language with respect

About the language game

On the paganism of the Eastern Slavs

Oh, spring without end and without edge

Oh my Hamlet! I got poisoned!

Oh save the walrus!

Oh, shawarma!

O. breakdowns of the hand on the telegraph key

About the phase characteristics of stereo channels

Oasis in the room

Oasis and aliens

Oasis in the middle of the room (flower colonnade)

JSC MBF Weidmann: a single well-coordinated system

OJSC Odessaoblenergo - successful work of the Unified Digital Corporate Network

OJSC Elektrovypryamitel expands production of IGBT power modules

About ovo

On abstraction in physics

About the ITT-1M avometer

About cars and not only about them (puzzle)

About the author of the Gospel of Matthew

About MP3 decoding algorithms

On the amplitudes of oscillating quantities

About vertically polarized antennas

About the Inverted V Antenna

About the LONG WIRE antenna

About the Double Triangle Antenna

About the antenna Five-eighths lambda, or Franklin vs. Ballantyne

About the Active Reflector Antenna

About the T2FD Antenna

About the fishing rod antenna and ... around it

About antifreezes - proteins and not only

About caller ID servers and electronic telephone sets

On the atom, the chemical element and the translator's false friends

On the Authenticity of Scientific Anecdotes

On the aerodynamics of sprat cans

OB instead of OE in UN UMZCH M. Sapozhnikova

About Ivan Alexandrovich Stebut

On the manufacture of output transformers for lamp UMZCH

On the change in resistance during heating of metals

About changing the characteristics of automotive generators

About changes in the radio station Harvest

About measuring the limit values ​​of parameters

About measuring small resistance values, and not only about that

About measuring short-circuit current in phase-zero circuits

About measuring the energy of a magnetic field

About the EPS meter (returning to printed)

On the isochronism of pendulum oscillations

About the switching voltage regulator

About sideband inversion

About the low battery indicator

On the inductance of toroidal coils on ferrite cores

About innovation

About the intensity of earthquakes

About interference, dolphins and bats

About Isaak Konstantinovich Kikoin

On the distortion of the audio signal and the power of UMP

About the distortion of the frequency characteristics of small-sized acoustic systems and deep bass

About arts, beauty and music

On the use of harmonic resonators in MK devices

About the use of double-sided fiberglass

About the use of radio frequency bands in ISM devices

About the use of IS K176IE5 without a quartz resonator

About using macros in WF1B

On the use of small-sized transformers with a power supply frequency of 400 Hz. Voltage transformer

On the use of standard KPIs at high RF voltages

About the use of old generator radio tubes

About the use of TVK in the power supply

About sources of radio interference in the ignition system

On the results of the Small Intercosmos competition

On the results of the TUV 1988/89

On general issues of creating commercial organizations and registering citizens to operate as service centers

About one brochure for a beginner radio amateur

On one of Fermat's conjectures

About one task

On one Kolmogorov problem

About one remarkable straight line in a triangle

About one of the errors in connecting the 555 series timer (KR1006VI1)

About one of the circuits of an amateur radio inductance meter

About an interesting book

About one history of building a timer on the K561TM2 chip

About one combinatorial problem

On one combinatorial formula

About one malfunction of car radios with digital tuning

About one malfunction of the ATX power supply

About one malfunction of Vega-106-stereo

About one malfunction of the Sony SLV-426EE VCR

About one malfunction of Panasonic VCRs

About one malfunction of the Sony SLV-110 video player

About one HP LaserJet IIP laser printer problem

About one malfunction of the Siemens/Nixdort High Print 4820 laser printer

About one malfunction of monitors like Panasync S70 with a diagonal of 14:17

About one MP-3-3 malfunction, manifested in low-frequency rumble and raster distortion

About one malfunction of the Aiwa NSX-V400 music center

About one malfunction of the UNI-T M890-F multimeter

About one HP LaserJet 6P printer problem

About one malfunction of the Daewoo 2049 TV

About one malfunction of the TV Funai TV-2100A MK10

About one malfunction of the Philips 20GX-8550 TV

About one malfunction of the Philips TV 29PT5302/58

About one malfunction of LG-CE29Q12IP TVs

About one malfunction of the S1-94 oscilloscope sweep unit

About one malfunction of EPU G-2021

About one malfunction of EPU G-602

About one unresolved problem

About one inaccuracy of Isaac Newton

About one Olympiad problem, or Can there be something more in less? (Solutions of problems M747 and M759)

On one feature of the operation of transistors in the key mode

About one recurrent sequence

About an old geometric problem

About one RF generator circuit

On one Kronecker theorem

About one difficult geometric problem

About one surprisingly tenacious mistake

About one last name

On one formula of Christian Huygens

About one well-forgotten old problem

On one variant of the practical implementation of the system for measuring the parameters of inductors of induction heating installations in modes close to nominal

On one locus of points. (Solution of problem M174)

About one defect of the Daewoo TV on the СР-375 chassis

About one wonderful equation

On an inductive method for proving inequalities

About one study of the reliability of car alarms

About one mathematical case

On one method for solving problems in electrostatics

About one drawback of Panasonic TVs

About one difficult Sony amplifier repair

About one division of a rectangle. (Solution of problem M144)

On a property of binomial coefficients

On one property of a parabola

About one property of the number 30

On one case of the arrangement of a sphere and a pyramid

About one way to turn on transistors

On one way to define a circle. (Solution of problem M853)

On one way to increase the switching stability in the frequency regulation of thyristor converters with anti-parallel diodes

About one way to obtain a constant belt tension

About one way to solve some equations, three solutions to one problem

About one way to reduce noise and drift of the op-amp

On one way to control the ignition of cold cathode thyratrons

About one poem by A.V. Pushkin, mass and amount of matter, or about one Newton's mistake, direct and alternating electric current

On the dangers of computer fundamentalism

On the danger of low voltages and currents

About the danger of touch voltage

About the danger of step voltage

On optimal trajectories of motion. (Solution of problem F718)

About the experience of Stefan Marinov

On the experience of operating radio complexes Vega

On the organization of a space teleconference

On the organization of the mosaic business (correspondence of M.V. Lomonosov with state authorities)

On the features of single and small-scale production of winding products and assemblies

On the design features of resonant amplifiers

On the design features and selection of analogues of the upper cylinders of the BVG of modern video recorders

About the features of establishing EMP Electronium

About the printing features of laser printers

About the features of conducting DX QSO

On the features of adjusting the transfer characteristic of amplifiers, ADC, DAC and VLF

About vaccination in Russia

About cooling the kettle

About Holes in Sheet Materials

On the responsibility of administrative bodies and persons guilty of disrupting the operation of electrical installations and receiving electrical injuries by people

About sensor failures in Ricoh 1015/1018 copiers

On the opening of the All-Union Correspondence Programming School

On the relativity of motion

About shooting ... cedar cones

About the design of radio receivers

On the evaluation and measurement of the instability of the speed of transportation of magnetic tapes

About very ancient oaks

About errors, typos and attentive readers

About Enlarging an Image

About angles and circles

On the angular dimensions of the sun and moon

On the specific power of man and the sun, or why a mosquito has cold blood

About mineral and organic fertilizers

On improving the sound quality of Vityaz TVs

About ultra-bright LEDs and their place on the Christmas tree

About background reduction in Vega-106-stereo

On the decline of cat science

On ordering notation

About the equation, the number of combinations from n to m is equal to the number of combinations from n + 1 to m - 1

About gain, attenuation and volume

About the improvement of radio receivers

About the installation for long-range TV reception

About installing the TDA7294 IC on a heat sink

About installing the remote control module MU56 (55) in a non-standard TV type Electron 61/51 ТЦ 433/436d and about increasing the number of received programs

About the installation of oxide capacitors K50-6

About Troubleshooting Common Problems in BEIJNG TVs (model 8303PS-47 cm)

About the device of thermometers, 1730

About brain drain

About Edison and black PR

About the equivalent circuit of an electromagnetic pickup for an electric guitar

On saving electricity when operating REA in standby mode

About economics... and Esperanto

On Experimental Science and Thrills

About extreme points

About electric current in vacuum and vacuum diodes

About electricity

About electrons for beekeepers

About the electronic belt speed switch

About electronic clock on BIS KR1016VI1

About energy from nowhere

About epidemics, crime and an almost elusive artist

About these and other new varieties of dahlias

On the efficiency of power supply systems

Charming, courageous, purposeful

Are algae to blame?

Lunch at Pushkin's in Tsarskoye Selo

Dining room of Emperor Nero

Dining fan for a small kitchen (dining table)

Dining area (corner bench)

Dinner frog stuffed with vitamins

Frog Painkiller

monkey in law

Monkeys pulp, people peel

Monkeys are like people

The monkeys are arming

Monkeys doing art modeling

Monkeys and the computer: the story of one draw

Monkeys open charcoal

Monkeys pave the way to Mars

Monkeys draw like children

Are monkeys smarter than humans?

monkey kitchen

Obelisks, arches, gazebos

Guardian of sight

Overtone loopless crystal oscillator

Disappointing Set

Ensuring uninterrupted power supply of electronic circuits

Ensuring uninterrupted power supply in a crisis situation

Ensuring Real-Time Traffic Guarantees in ATM Networks

Ensuring the reliability of SEMIKRON power IGBT modules

Ensuring noise immunity of digital devices

Ensuring the self-healing function of metal-film power capacitors

Ensuring the electromagnetic compatibility of frequency converters with SCHAFFNER output filters

Ensuring the electromagnetic compatibility of frequency converters with SCHAFFNER output filters

Providing power to medical devices and devices

Provide ham radio parts

Firing of clay products

Overview of 15-inch LCD monitors (Samsung, LG, Sony, Prestigio)

Overview of Tracopower 5 to 40W AC-DC Converters

Overview of TRACOPOWER DC/DC converters from 1 to 8 W

Overview of NATIONAL SEMICONDUCTOR LED Drivers

Overview of MOSFETs and IGBTs from STMicroeiectronics

Overview of third-generation UOC processors from NXP Semiconductors TDA110xxH / H1 and TDA120xxH / H1 series

Overview of budget LED lamps

Overview of High Voltage DC/DC Converters

Overview of OMRON High Frequency Signal Relays

Overview of sensors by application

Overview of Dipole ISM/Wi-Fi Antennas

Review of reports of the scientific-practical conference Anomalous physical phenomena in the energy sector and prospects for the creation of non-traditional energy sources

Overview of Texas Instruments LED Drivers

Overview of changes made in 2007 to the Law of the Russian Federation on consumer protection

Overview of changes made in 2007 to the Law of the Russian Federation on consumer protection

Overview of amendments made to the Law of the Russian Federation On Consumer Rights Protection in 2004

Overview of changes made to the Law of the Russian Federation On Consumer Rights Protection in 2011 (Part 1)

Overview of changes made to the Law of the Russian Federation On Consumer Rights Protection in 2011 (Part 2)

Overview of changes made to the Law of the Russian Federation On Consumer Rights Protection in 2011 (Part 3)

Overview of information sources on amateur radio topics

Overview of CHINFA DIN rail power supplies

Overview of power supplies for LEDs

Overview of light sources

Overview of Martel Calibrators

Overview of HF exhibits of the 6th Correspondence Radio Exhibition

Overview of ON Semicondutor components for motor control

Overview of Transcend's Industrial DDR4 Memory Lineup

Overview of lead-free materials

Overview of modems (PSK, FSK, GMSK, FFSK, 4LFSK)

Overview of modular LED drivers from DIALIGHT LUMIDRIVES, ADVANCE, GLACIAL POWER

Overview of modular switchgears 6-10-35 kV from ORMAZABAL

Overview of multimedia discs

Overview of Mastech multimeters

Review of low-cost oscilloscopes for PC

Review of novelties of switching stabilized power supplies manufactured by BVP Electronics

Review of ABB EIB/KNX innovations 2007

Overview of new software versions of phones with caller ID

Overview of the new MEAN WELL converters

Overview of equipment for Internet access via satellite channels

Overview of equipment for a service center for the repair of GSM phones: hardware repair of GSM terminals

Overview of equipment for a cell phone repair service center: GSM phone programmers

Overview of the operating system for mobile devices Google Android

Overview of optical systems for LED

Overview of patents on DC-DC converters

Overview of automotive generator patents

Review of patents on bottles and their accessories

Fan Patent Overview

Overview of patents on military equipment

Overview of rake patents

Overview of lighter patents

Overview of patents by locks

Overview of Pencil Patents

Browse patents by key

Overview of patents on small generators and motors

Review of patents on metal flasks and containers

Overview of Hammer Patents

Review of patents on table lamps and spotlights

Overview of knife patents

Overview of screwdriver patents

Overview of patents for pliers

Overview of soldering iron patents

Patent overview on switches (switches)

Overview of Patents on Buttons and Other Garment Fastening Devices

Overview of patents on sliding and folding tables

Overview of patents on various hand tools

Review of patents on paper clips and other devices for fastening sheets of paper

Review of patents on projectiles and devices for physical exercises and games

Overview of patents on theft and burglary alarm devices

Overview of Lukey soldering stations

Overview of expansion boards for GSM-modem Fastrack Supreme (Wavecom)

An overview of the repair of plasma panels using a special adhesive and conductive film from 3M

Overview of YAESU rotary devices

Overview of gift microdrones by February 23

Overview of semiconductor power supplies for induction heating

Overview of popular oscilloscope models in the domestic market of measuring instruments

Overview of digital storage oscilloscopes presented on the Ukrainian market

Microchip product overview

Sierra Wireless Product Overview for Wireless Data Transfer

ST MICROELECTRONICS Product Overview

Wavecom product overview

Overview of Mean Well products

Overview of Microchip Products

Overview of TDK-Lambda Products

Overview of VISHAY products

Overview of the operation of the main electronic systems of cars LADA VESTA, LADA XRAY

Overview of amateur radio software

Overview of els spelsberg junction boxes

Overview of recommendations for setting up and improving the work of caller ID

Overview of the market for computers and their components

Overview of ultra-bright LEDs from OSRAM

Overview of super-bright LEDs of the XLAMP XR, XP, MC series from Cree

Overview of super-bright LEDs from SHARP

Overview of Cree LED Products

Overview of Lucky Light LEDs

Overview of OMRON Electromechanical Power Relays

Overview of RFID component systems and their applications

Veribest End-to-End Electronic Design System Overview

Overview of modern conductive lighting systems

Overview of modern devices for collecting and processing information (USO modules) manufactured by ACON

Overview of the range of Dallas Semiconductor microcontrollers

Overview of the KNX standard

Overview of the circuitry of seven vinyl correctors popular among US audiophiles

Overview of thermal imagers manufactured by Dali. Automotive thermal imaging camera, infrared binoculars and thermal imagers of the LT and T series

Overview of thermal imagers manufactured by Dali. Monocular Thermal Imagers S230 Series

Overview of thermal imagers manufactured by Dali. S660 Thermal Guard Surveillance System for Perimeter Protection

Overview of thermal imagers manufactured by Dali. Thermal imagers of the TE and TEi series

Overview of Maxim D/A Converters (Maxim Integrated Products)

Overview of digital potentiometers and resistive dividers from MAXIM-DALLAS

Overview of the electrical and electronic industry

Overview of SCHRACK electromechanical relays

Surveillance shortwave antenna - broadband volumetric exponential vertical radiator

Surveillance VHF antenna

Survey range 19 - 16 m in Meridian RP-348

Offended atoms

Inhabitants of a prehistoric aquarium

Inhabitants of the prehistoric forest

Inhabitants of our garden

Inhabitants of the Cave of Azokh

Inhabitants of the garden

Inhabitant of the Transfiguration Hospital

Clouds on top of the world

Clouds do not form

Do clouds predict an earthquake?

The clouds tell

Clouds rule!

Clouds of the era of the mobile revolution

Clouds: from contemplation to knowledge

Cloud Mail.ru offers 1 TB of cloud storage for free and forever

Cloud in the form of a seal

cloud in the universe

Applications and problems solved by 64-bit processors

Areas of application of neurocomputers and neural networks

Regional radio club and primary organizations of DOSAAF

Regional and republican exhibitions of creativity of radio amateurs-designers DOSAAF

Area of ​​continuous radio coverage

Cloud physical chemistry Problems and methods of science

Cloud computing

Cloud service and Arduino

Facilitate the unscrewing of threaded cores

Lightweight 3-piece V-YAGI for 40m

Sea buckthorn - a source of health

Sea buckthorn without thorns

Sea buckthorn for the middle lane

Sea buckthorn familiar and unfamiliar

Sea buckthorn oil

Bath cladding

Facing with artificial stone

Mantel

tiling

Tiling. The editors of the magazine often receive letters with questions addressed to master stove-makers. Here is one of them: I would like to revet the stove. How to do it? Tiles are expensive. Is it possible with ordinary tiles and on which adhesive solution is best? With the same question, we turned to a member of the Moscow Guild of stove-makers - Evgeny Mikhailovich Gudkov

Stair cladding

Facing the hearths with decorative tiles

Facing with tiles

Wall cladding with panels

Wall tiling

Tiling steps

Cover decorated with embroidery

The wreckage of a U-2 spy plane

Enamelled wire maintenance

Feeds for 6 cm and 3 cm bands for a reflector antenna

Irradiator medical ultra-violet Promin. Operation and improvements

Irradiation, carcinogens or stress?

Optical illusion

Optical illusion to help drivers

Deception or delusion? (About one way to calculate?)

Cheating history

Deceived expectations of the IT revolution

Cheat infection!

Deceptive simplicity

deceptive claws

Obfuscation

Deceptions and hoaxes in science

glad to be deceived

metabolism under the microscope

Communication with USB HID device

Experience exchange

Exchange of experience in finalizing the Frequency Synthesizer for CB radio station from available elements

Exchange of experience in checking IR remote controls using an IR LED and a multimeter

Experience exchange. Recovery of television microcontrollers by controlled heating method

Experience exchange. From the experience of repairing washing machines

Experience exchange. How to tighten awkward screws and nuts

Experience exchange. TV malfunctions from repair practice

Experience exchange. Simple Schmitt trigger on TL431

Experience exchange. Typical malfunctions of LCD monitors

Experience exchange. Typical monitor malfunctions

Experience exchange. Typical TV malfunctions

Exchange rate (linguistic task)

Will the ghost outfit be ready soon?

TV Love Gene Discovered

Huge hole found in PC with Intel processors

Planet construction site discovered

Black hole discovered?

Detection without radar

Detection of defects and errors in the circuits for connecting electricity meters

Detection and elimination of malfunctions of LG air conditioners by self-diagnosis codes

Ericsson A1018s Cell Phone Troubleshooting

Troubleshooting Sony TVs assembled on the BE-4A chassis

Faulty chip detection

Detection of damage to hidden electrical wiring

Detection of bottlenecks in data transmission routes in a computer network and estimation of their throughput

Capacitor leakage detection

Our sun's twins discovered

Three giant black holes discovered

Rain detector outside the window

Sound Detector

Conveyor belt damage detector

Hidden wire or wire break detector

Magnet and nanotubes help detect cancer

Update for walls

Renovate old furniture

Renovation of concrete steps

Bathroom renovation

Bathroom renovation

Shower cabin renovation

Updating and restoring the software of cell phones Siemens 35/45/55/65/75 series

Mobile phone case upgrade

Kitchen renovation

Updating the eraser with sandpaper

Texas Instruments line of galvanic isolators updated

SEA1000 Digital Storage Oscilloscope Line Update

Renovation of marble products

Patio update

Periodic system update completed

Tile update

Shelf update

Software update (ver. 1.1b) for NM8036 kit 4-channel microprocessor timer, thermostat, clock

Software update for DVD players based on MEDIATEK chips

Updating the software in the YAESU transceiver

Software update for 4-channel microprocessor timer, thermostat, clock NM8036 (ver. 1.1a)

Software update for ELNEC programmers

Updating the firmware of the FLASH memory of the CD-RW drive

Pond renovation

Updating your software from the Internet without programming

Lead-free technology standards update

Upgrading old scissors

MixW2 and FAQ Updates

Updated beds

Updated SEA1000 Digital Storage Oscilloscopes

renewing garden

Sniffed. Min no!

Generalization of Ptolemy's theorem for arbitrary quadrilaterals

Generalization of numbers

Generalized counterfeit coin problem

Generalized queen problem

Generalized sum of angles of a polyhedron

Aquarium heating

Heating without automation

Water heating

Attic heating (installation of a light heating stove)

Heating with economy

Cellar heater

Dog kennel heater

Burnt time: how enamel dials are made

Convoy of knowledge

Designation of winding wire diameters in foreign literature

Designation and block diagrams of CHIP components

Designation of integral voltage stabilizers

Designation of ring magnetic circuits by Amidon Associates

Designation of relay contacts on the diagrams

Designation on the scales of electrical measuring instruments

Designations of wire diameter and sheet thickness in foreign publications

Symbols for wiring diagrams according to DIN 40 900/IEC 617

Designations of foreign semiconductor devices

Designations of integrated circuits according to the Pro Electron system

Designations of cases of domestic ICs

Designations on the diagrams

Wallpaper - stabbed

Wallpaper in the role of veneer (pasting doors)

Wallpaper on the ceiling

Wallpaper against eavesdropping

Wallpaper... on the floor

Get rid of pimples

It will cost less (headset for youth)

Avoid fires

wallpaper decoupage

Go around the world, see what's beyond the horizon

Shell for the super brain. Progress

Smell from molecules to nerve cells

The sense of smell helps the squirrel to survive

Olfactory epithelium: a window to the brain

tattered letter

Break the Wire Meter: TEXAS INSTRUMENTS <1 GHz Wireless Solutions

Defense of the Dulber Palace

Defensive fortifications: MAXIM chips to protect signal lines and power lines

Defense value of radio electronics

Werewolf (story)

Back side of ginseng

Werewolves of the microworld

ERSA lead-free soldering equipment

WAGO marking equipment

Equipment for Ethernet networks

Equipment for the manufacture and installation of printed circuit boards

Equipment for measuring the parameters of TV transmitters

Reactive power compensation equipment

FORMULA 2K chip control equipment

Chip Mounting and Dismounting Equipment

PCB Mounting Equipment

Weller soldering equipment from Cooper Tools

Surface Mount Equipment from DIMA SMT Systems

Surface Mount Equipment for Electronic Components

Equipment for the workplace of a radio amateur

Component Lead Forming Equipment

Equipment and technologies for PC repair

Class equipment for studying the telegraph alphabet

Kopos Electro equipment for industrial wiring

FLEX-6000 Signature Series Hardware Based on SmartSDR

Equipment for the formation of a package of digital TV programs

We equip a balcony (a compact wardrobe with a folding table)

We equip the bathroom

Justification of the method for calculating the equivalent parameters of a quartz resonator

Beam sharpeners

Done without a trench

There were no incidents. And thanks for that

Processing of acoustic signals in real time

Video processing from the Canon A1100IS camera

Video stream processing becomes more accessible (Terra Electronics)

Eye processing by stamping

Clay processing

Processing of ferrite parts

Processing of duralumin and brass

Information processing in multichannel seismic systems

Sheet metal processing

Sheet material processing

Processing at the molecular level

Processing of records of high jump competitions

RGB Signal Processing in UOCIII SoC

Processing of YUV signals in a single-chip UOCIII processor

Signal processing of balancing machine sensors

Solar Miracle Processing

Glass processing

Fiberglass processing

Handling Radio-86RK files on other types of computers

Lifestyle - overcoming

Lifestyle (essay about S. Shcherbina)

Laserdisc page image

Sample description of an industrial design

Education - to choose from

Education and reform

American education. Part 1

American education. Part 2

Education dries the brain

The education everyone needs

Education: what will we have to study?

Education: what was it

Educated people live longer

Exemplary preparation for the Spartakiad

Spider thread patterns

Sample test items for schoolchildren

Reversibility of energy MHD systems

Reversible and irreversible processes in thermodynamics

±ndB reversible level controls

Reversible voltage converter

Reversible radio path of the transceiver

Reversible path in the transceiver

The inverse problem of the Flood

Inverse energy problem

Contact Us

Feedback is interference?

Feedback in transformerless LF amplifiers

Feedback in multichannel pulse flyback voltage converters

Feedback on HF receivers

Feedback at intermediate frequency

Current feedback in the bass amplifier

Feedback from QUA readers

Feedback. Amendments in the printed circuit board of a single-band transceiver for digital modes of communication. Scheme of the output stage of the PA on an npn structure transistor

Feedback The end of the transmitter circuit of the Klen transceiver (see fig. 3 in the previous issue of the magazine)

Far Side of the Moon (story)

Reverse side of the package

Flyback DC/DC Converter

Flyback Isolated Buck Fly-Buck Converter: Design and Calculation

Flyback converter without optocoupler based on MAX17690

Reverse pulse power supply

Flyback cascaded SMPS

Flyback converter U

Flyback converter on TNY268

Inverse trigonometric functions

Reverse Doppler - what is it?

Reverse keyboard adapter

Appeal of Academician V. L. Ginzburg to readers of books published by the Uspekhi Fiziki Foundation

Appeal of activists of radio amateurs of Leningrad to all radio amateurs of the Soviet Union

Appeal for Peace

Appeal to the authors of the appeal

Appeal to the intelligentsia of the Soviet Union

Memory Access

Turning Potential into Reality: The Invention of the Microchip

Message from the Presidium of the Russian Academy of Sciences

Reversal of Cavalieri's principle. (Solution of problem M1211)

Battery Handling

Appeal of the constituent assembly of the Association of Russian Manufacturers of Electronic Equipment and Devices to the state authorities of Russia

Trimming the sheathing board, taking into account the irregularities of the ceiling

Pruning shrubs

Pruning berry bushes

Finding Vinland

doomed masterpieces

Rite of the Four Months (story)

We service our own plumbing

Serve yourself

Acer Aspire 8942 laptop maintenance and repair (part 1)

AcerAspire8942 laptop maintenance and repair (part 2)

Maintaining and managing Windows Server 2008

Maintenance of copiers

Maintenance of copiers, with more than 1500 terms. Dictionary of abbreviations and abbreviations

Maintenance of HEWLETT-PACKARD laser printers

Maintenance of CD-ROM drives

Maintaining UPS Lead Acid Batteries

Maintaining DNS servers

Television network maintenance in England

Maintaining Windows 2000 Server file systems

Maintaining Sharp AR-120E, AR-150E, AR-150, AR-155 Digital Copiers

We will furnish the living room (a set of chipboard and glass)

We discuss sports

Discussion of new TVs

wind fairing

Turning LEDs for the transceiver

Frame wrap

Shoe company of the XNUMXth century

Shoe cabinet

Shoe speakers

Shoes should be comfortable and fit

Shoes and people of ancient Moscow

Shoes from the forest (making wooden shoes)

Motoblock shoes

Shoes not worn

Will we curb the climate?

Harnessing the Genie

We equip a small space (mezzanine shelf, radio equipment rack, kitchen set)

We equip the greenhouse

Arrangement of the patio

Arrangement of the garage

Arrangement of the garage (floor, cladding, gate, workshop)

Arrangement of a door niche

Arrangement of a studio apartment

Cellar arrangement (door with lifting device, forced ventilation)

Terrace arrangement

Toilet arrangement. Lighting machine for cats

Learnable Remote Controlled Power Socket

learning machine

Training machine TU-1

Electricity Tutorial Electronics Beginnings

Universal training aircraft

Educational touch stand

Learning instead of programming

Hearing training under interference

Training of radiotelegraphers

Speed ​​listening training

Bypassing the figured chess boards by the knight (puzzle)

Sheathe the ceiling with wood

Half wall cladding

Interior wall cladding

Ceiling sheathing

Wall cladding with boards

General architecture of personal computers

General theory of relativity

General technology for the synthesis of modular numerical systems

General characteristics of an asynchronous motor with a massive ferromagnetic rotor and its modifications

common feature

The general device of the microcontroller KR1878BE1

Well-known trademarks in the Russian Federation

All-Moscow meeting of radio viewers

Communication of fans of broadcasting reception

Communication of microbes

Communication with a computer

Communication with tits

Communication between humans and insects

General education Т6ST

common sport

All-Russian social movement gifted children - the future of Russia -10 years

All-Union Radio and Television Transmitting Station

All-Union Television Center

Public personalities

Public principles - the basis of amateur radio

Public Transport

Public transport: The swarm principle

A society of madmen? View from the outside

Society was tired. History of the Vyborg Appeal

Society and beauty of nails

Society. A. S. Popova

Society of knowledge - 60 years!

Common Genes of Europe

General rules for executing schemes

General principles and some features of mobile phone repair

General principles and functional units of the relay

General principles for measuring the characteristics of electronic devices

General principles of organization and functioning of the SCSI interface

General principles for transmitting and receiving signals via the DVB-S system

General principles of signal transmission and reception in the DVB-S2 system

General principles for transmitting and receiving signals over the DVB-T system (part 1)

General principles for transmitting and receiving signals over the DVB-T system (part 2)

General principles of signal transmission and reception according to the DVB-S2 standard

General principles of troubleshooting in a modern kinescope TV

General principles of amplifying electrical signals

Common Switching Loss Problems in Voltage Inverters

General Guidelines for Troubleshooting Optical Drives

General UPS Battery Maintenance Recommendations

General properties of conic sections

Common table for Europeans

Common Decoder Decoder PAL and SEKAM

Merger of Texas Instruments and Burr-Brown

Combined the brain of a frog and a fly

Combine all the best. On the theoretical principles of design

Combining GSM communication and GPS navigation

Object No. 15: heavy-duty broadcasting center in Kuibyshev

The object of study is the brain

The object of research is the solar corona

An object that is always with you

Objective laws of urbanization

Object Oriented Databases

Object-oriented database management technologies

Object-oriented approach to the development of information technologies for business process reengineering

Industrial property objects that a trademark owner should be aware of

Technosphere objects

Volume

Volume of orange peel

Volumetric light and music installation

Volumetric color and music installation Harmony

Volumetric pentomino (puzzle)

Volumetric and other trademarks

The list of the best new consumer appliances of 2015 has been announced

Elements 113 and 115 Discovery Announced

We announce a competition. Radio electronics - in agriculture!

Embrace the immense

Playing with God: how artificial DNA is made

ordinary jar

The common story of the common eider

Ordinary miracle

Ordinary miracle - scarf

Ordinary camera turns into electronic

Ordinary and unusual asteroids

A typical day for a middle manager. Story

Plain brick

Destined to Be a Hero (story)

Is it necessary to use stabilizers to power TVs?

Obligations of Lviv radio amateurs

We will fulfill the obligation

Oval, figure eight, two ovals

Ovals of Descartes

Oval baskets

Oval pistons, triangular cylinders

Oval LEDs

Oval LEDs and LED Products

Overclocking Amphiton or Another blow to the high-end tambourine

Lamb

Master the speed of the typewriter

Mastering the technique is the duty of youth

Vegetable storage on the balcony

Vegetable storage on the balcony (option two - from chipboard)

Vegetable storage on the balcony (option one - from foam plates)

Vegetables without nitrates using Mittlider technology

Vegetables of the future

Vegetables in barrels

Vegetables for the future

Vegetables from Holland

Vegetables for the winter

Vegetables on the conveyor

Selenium enriched vegetables

Vegetable whatnot (suspended whatnot for storing vegetables and herbs)

vegetable container

vegetable cutter

Vegetable blanks

Vegetable new settlers

vegetable sweets

vegetable pumpkins

Vegetable chips for kids

Oatmeal

Oatmeal, honey and a little fantasy

Oatmeal

Sheep goats: hybrids and chimeras

Sheep and phone

Sheep become poisonous

Sheep sowers

Oganesson and Seaborgium: how elements get people's names

Envelope

Looking back

Let's look back at history. 1917: legends and facts

Fireball with thunder sound

Fire-breathing bunker

Firemen - people of the cold land

fire painting

Fire Garden (story)

Infantry firebombs

fire trees

fiery fun

Fiery ghosts of dwarfs

fire projectiles

Fire technologies, or SHS

Fire Snails by John Sarriugarte

Fire beast from fairy tales

Fire sword

fire steam

meteorite fiery tail

Hand-to-hand firearms

Gunshot katana. Trunks

Fire extinguisher for oil storage and aircraft

starch fire extinguisher

Self-guided fire extinguisher

Lights run through the tree

City lights

Lights on the water

Lights above the tower

St. Elmo's fires at home

Fires of Saint Elmo. Theory of a natural phenomenon

Firework lights. What is inside?

Steel with platinum

Fiery Agnistikov

Fiery stone of Yakutia

well head

Fire without matches and lighters

The fire will be suffocated

Fire in the sieve

The fire of inspiration does not go out

The fire leads the frondmbola

Fire in the ice

Fire and steam over the Volga

Fire from the sky

fire from underground

Fire on me!

Fire in the Secret Service

Fire on the rock (Feodosia lighthouse)

Fire in all directions

Fire first

Fire, water and copper pipes in action

Fire in armor

Fire, earth and snow. sappers

Fire battery!

Lights under your feet

Can't find the fire? Investigation

The garden is our savior

Garden without wood lice

Garden through the eyes of an engineer

Garden for cats

Garden on the balcony

Garden on clay

vegetable garden on the moon

Garden for every taste

The garden is not simple, but decorative

Vegetable garden according to the Mittlider method

Garden according to Mittlider

Kitchen garden by Mittlider Weed barrier

Garden according to Mittlider on two acres

Kitchen garden according to Mittlider? Why not!

American garden

Garden under the apple tree

Garden at home

Garden pyramid (support for climbing plants)

Garden rarity - onion aznur

Gardening on the roof

Garden new settlers

garden tips

Garden marker (method of planting seeds)

garden organizer

Gardens of our ancestors

grandchildren robbery

Collector Heist (Puzzle)

Robbery by... Money

Protect and destroy

We protect the summer veranda

Pendulum saw guard

porch railing

Radiator guard - towel dryer

Fences for microflower beds

Pipe fences

Battery deep discharge limitation

Limiting the charging current of the capacitor of the mains rectifier SMPS

Capacitor bank charging current limitation

Limitation of modulating signals in transmission technology

Consumer power limitation - overload protection

Limiting the voltage on the key transistor in single-ended voltage converters

Limiting the duration of continuous operation of the load

Limiting the inrush current of switching on radio equipment

Capacitor charging current limitation in the mains rectifier

Limiting the charging current of the capacitor of the mains rectifiers

Power supply current limit

Limited intervention

Multimeter Time Limiters

Voltage limiters

ETI ETITEC A surge arresters for protection of low-voltage power lines

Surge arresters KIWA. Our products protect everywhere!

Non-linear surge arresters (OPN) in 6...35 kV networks

LED current limiters

Limiter 10 minutes

Oscillation amplitude limiter in the FM receiver

Inrush current limiter

Inrush current limiter when turning on an incandescent lamp

Time limiter

Doorbell time limiter

RF limiter with adjustable clipping level

Cutter Depth Stop

Electric bell duration limiter using a time relay

Signal duration limiter

Drill limiter

Limiter for charging nickel-metal hydride batteries AAA and AA from a solar battery in camping trips

Battery charging current limiter

Surge suppressor on semiconductor triodes

Maximum supply voltage limiter for low-voltage equipment

Power limiter for soldering iron without thermocouple

Heat limiter

Welding transformer voltage limiter

Open circuit voltage limiter of the welding machine

Open-circuit voltage limiter for welding transformer

AC current limiter

Surge arrester - its types and capabilities

Noise limiter

Battery charging duration limiter

Inrush current limiter

Inrush current limiter for radio equipment

Discharge limiter (7D-0,1)

Battery Discharge Limiter

Speech limiter

Voice Limiter for SSB Transceiver

Model steering motor current limiter

Paperclip zipper stopper

Speed ​​limiter

Noise limiter - in loudspeaker

Diamond cutting: from the platform to the princess

Huge Leap

cucumber conveyor

cucumber pickle food and medicine

Cucumber pickle is useful not only after yesterday

Cucumbers in their own juice

barrel cucumbers

Cucumbers on a compost bed

Cucumbers on sawdust

Cucumbers are distinguished by their shirt

Cucumbers from the windowsill

Cucumbers are planted in a new way

Cucumbers that look like grapes

Cucumbers in Bulgarian

Augustin Cauchy and mathematical induction

Augustin Fresnel and his lens

Ode to Achatina

Ode to innate immunity

Ode to the chief designer

Ode to pygmy males

Ode to the ax

Gifted children of Russia

Gifted children link generations

Dress up your face!

Neolithic clothing

Clothes for BAM

Milk clothes

Clothes for the window

Pillow cover

Watch clothes

obsessed with motors

Killer blanket?

One answering machine for the whole country

One atom on the edge

One beat and a dozen champagne (puzzle)

Alone in the field warrior: crazy tractor-record holder

One hertz

One vote is good, two is better

One Day Hermione Wren

One day with Neptune: a ship seeking oil and gas for Russia

One dipole - two bands

One language for all people

One language for all

Home Alone

One of the main biological resources of the ocean

One of the survivors

One of the first shortwaves of Uzbekistan

One of the ways to set up a LPM tape recorder

One of the ways to determine the number of turns of the FPC coils

One computer - the whole measurement laboratory: spectrum analyzers

One monitor for two computers

One cartridge for two elements

One approach to debugging a project created in the Flowcode for PIC package

One against all, all against one

One time to see

One lamp - many switches

One old fact and some new ones

One thermostat - several objects

One school day

One across three oceans

One step of history: Mikhail Alexandrovich did not become Mikhail II

One ball and thirty seven cells

One PWM and three LEDs: developing a power supply for an LED strip

One, two, many

Do twins do the same in school?

There were no identical scores (puzzle)

Eleven-lamp radiogram Friendship

The eleventh correspondence championship of Russia in solving puzzles. 2004

eleven laps

Eleven correct parquets

eleven and a half inches

Is the universe alone

A lone pawn tends to queen. Key fields

A lone pawn tends to queen. Opposition

lonely black hole

Are we alone in the universe?

Lonely in the universe

VISHAY Single Planar Resistors for Special Applications

Single transformers for S-interface

Single - automatic

Odyssey 021-UYO, Rotel RA-1060: which one is more correct?

Odysseus was a Dane and the Trojans were hot Finnish guys?

Odysseus didn't live in Ithaca

Odyssey of my childhood

Odyssey of Russian Wanderers

Cold Fusion Odyssey 2001

One bird in the world (story)

One wave is good, but two is better

One head is good

One head is good, but two?

One life

One for two

One problem about the location of points

One of the best vodkas in Russia

One of the causes of earthly cataclysms

One of the reasons for distortion in UMZCH

One of the three norms

One button for lock and call

One lid for all pots

One molecule and seven Nobel laureates

One untruth is at a loss for us

One night on the air

One country - two peoples

One phase, one tariff, one microcontroller: MSP430AFE2XX for energy metering systems

One phrase by A. Einstein, one phrase by P. Kapitsa and four phrases by N. Bohr

One tire, three rollers

Once Upon a Time in Bohemia

One evening in a programmer's family

Once Upon a Party (Puzzle)

Once upon a lecture: smiles of artists, news, announcements, grains

However, with or without commas

However, the stubborn Galileo is right! A simple clue to cosmic wonders

Are we alone in this world?

Some flowers are saved from the rain, others hunt for any drop

Alone... in the city

One glance

One of the creators of victory was my grandfather

One fell swoop

One soldering iron - seven pads

One touch: ONETOUCH touch screens

In one stroke

Skills are not enough

One geometric inequality

One and two barrier structures for optoelectronics

Single- and three-phase digital TRMS wattmeters PX120 and PX110

One continuous, non-stop grandiose battle

One glass is good, but two is better!

Single-bit amplification for superior sound reproduction

Single vibrator on inverters

Single vibrator on KR142EN19A

single vibrator on logic

Single vibrators (waiting multivibrators)

Single vibrators on D-flip-flops

Simultaneous compatible color TV system

One-voice electric musical instrument

Single Band Antenna

Single Band Rapid Deployment Antenna

Single-band transmitter UN7BV-3,5-TX

Single band, marching

Single Band QRPP HF Transceiver

Single Band HF Converter

Single band HF receiver

Single-band shortwave superheterodyne with economical power supply

Single band frequency synthesizer

Single band telegraph HF transceiver

Single band transceiver

Single band transceiver for digital communications

Single Band Low Voltage Transceiver

Is a triangle uniquely defined?

One antenna is not enough

One line. (Solution of problem M625)

One less moon

One less planet

Single channel 27 MHz radio

Single-channel dynamic lighting installation

Single channel MW radio

Texas Instruments Single-Channel Low Power LDOs

Clare Single Channel Normally Open Relays

Single channel control systems

Single-channel dimmer: circuitry and programming of AC voltage phase control devices

Single channel TV reception

Single-channel receiving path of the MW-band

Single channel TV receiver

Single Stage Power Factor Corrector

One-Key Music Synthesizer

Odnoklassniki.ru and schemes on LiveJournal

Single-celled algae a meter long

Unicellular - who are they?

One-button remote control system

One-button control of two or more lights

Single Pushbutton CMOS Switches

Unisonic One Button Accordion

One-button alarm switch

One-button combination lock

One-button load switch on CMOS switches

One-button switch for receiver attenuators

One command radio control system

Single Command Receiver

Single loop preselectors

Single Loop Direct Gain Receiver

One time programmable microcircuits - ROM

Lowest power consumption single chip GPS receiver from Atmel and u-blox

Single-chip microcomputer TMP90C041 N/F

Single-chip microcomputer EKR/KR1830BE31, EKR/KR1830BE51

Single-chip decoders for digital subscriber TV terminals STi5105, STi5107, STi5118 and STi5119

Single-chip integrated circuits International Rectifier

Mitsubishi Electric single-chip microcontrollers

Single-chip microcomputers of the MCS-96 family from INTEL

Single-chip receivers for near-field telemetry

Infineon single-chip transceivers

Single-chip radio transmitters for digital data transmission systems

Single-chip TV processors VCT48/49xyI. Processor versions, block diagram, IF path

Single-chip TV processors VCT48/49xyI. Demodulator and sound processor. Video signal amplifiers and video processor

Single-chip TV processors VCT48/49xyI. Channels for display processing and scanning. microcontroller control

Single-chip TVs Akira CT-14FES1/21FES1

Single Chip AC/DC Converter with PFM

Single-chip AM/FM receiver КА2297

Single chip DDS synthesizer

Single-chip FM receiver KA22429D

Single-chip USB-UART converter CP2101 manufactured by CYGNAL

Single-chip ZigBee transceiver with built-in JN5121 microprocessor

Single-chip ZigBee transceiver СС2420

Single-chip AM radio path MK484

Single-chip quartz CW filter

Single-chip tape recorder

Single-chip microcontroller М16С/61 Mitsubishi Electric

Single Chip SPI to I2C Bridge and I/O Port Expander

Single-chip USB-UART converter

Single-chip processor from Zarlink for IP/ETHERNET fusion

Single-chip RMS detector

Single-chip electricity meter 71M6511

Single-chip TV on IC TDA936/8

Single-chip universal receiver MAX2769 for global navigation satellite systems

Single-chip emulator for debugging encodings ROM microcomputer KR (EKR) 1830BE51

Single tube radiola

Single lamp 1-V-1

Single lamp DC

Single tube radio

Single tube VHF transmitter

Single tube VHF receiver

Single tube amplifier

One year old or three year old?

Annual Flowers

annual strawberry

Single-bladed wind turbine

Single-beam color kinescope - chromoscope 25LK1Ts

Single-seat aircraft with one aphid and two low-power engines with a pusher or puller propeller

William Alsap unidirectional antenna (N6XMW) for 20m band based on bidirectional Zeppelin antenna with two collinear reflectors

Unidirectional and reversible transformerless switching voltage converters

Unidirectional counter

Unijunction transistors KT117A-KT117G

Unijunction transistor (According to foreign journals)

Single Board Computers in Standard Full Length PCI Cards

PORTWELL Single Board Computers

Single board controllers from Phytec. Solutions for CAN and CANopen

Single board industrial computers

Portwell Single Board Industrial Computers

Single-board industrial computers of the ROBO family

Portwell single board industrial computers

Single-board industrial computers from Z-World

Single Board Digital Oscilloscopes

BL2000 Single Board Computer with Ethernet Network Adapter

Portwell NC-6060 Single Board Computer

Single-board shortwave transceiver TR-14

LP3500 Fox single board small computer

Single-board PC ECM-3612 in the size of a 3.5-inch hard drive

Single board industrial computer ROBO-8820VG2

Single-board transceiver Klen

Single Board Universal Path

Single Band SSB Receiver

Single-sideband high dynamic range heterodyne receiver

Single lane or multi lane?

Single band transmitter compatible with AM receivers

One-sheeted hyperboloid

Half wave memory

Fellow soldiers

Single pole plug made of rod

Single Pole Tunable Low/High/All Band Filter

Single supply of operational amplifiers

Single wire intercom

Single-wire current - a reality that reduces the cost of transmitting electrical energy hundreds of times

Single-wire LCD alphanumeric display interface

Single wire interface for microcontroller

Disposable video camera

Disposable toothbrush

Disposable brush

Disposable tableware in the sea

Disposable digital

Disposable instrument or effective sterilizers?

Disposable lift

Disposable programmer based on Arduino

Single-digit alphanumeric indicators based on LEDs with a character height of 2-5 mm

Single-digit alphanumeric indicators based on LEDs with a character height of 7-18 mm

Single-digit alphanumeric indicators based on LEDs with a character height from 2 to 5 mm

FYS Single Digit Digital LED Indicators

Single-digit digital LED indicators from ROHM for a radio amateur designer

Homogeneous equations

Single hand saws

Single-grid frequency converters in broadcast receivers

One-sided saving

Single ended voltage converters

Single-ended High-End UMZCH on a new straight-wire triode KR842VHD

Single-cycle High-End UMZCH on a straight-line audiophile triode 2AZ

Single-cycle hybrid UMZCH on 2SK2101 + 2A3

Single-stroke and two-stroke UMZCH Bruce Brown on midget lamps

Single-ended and push-pull UMZCH Dave Ross on field-effect transistors

Single-cycle switching power supply with bipolar output voltage 45 + 45 V and power up to 200 W

Single ended combined voltage converter

Single ended tube

Single-cycle tube UMZCH Pete Millet on double pentodes with a positive voltage on the protective grid

Single-ended tube UMZCH S. Akhmatov and D. Sannikov with frequency response correction in the low-frequency region and POS replacing the cathode capacitor

Single-cycle flyback SMPS on BSIT

Single ended stereo pentode amplifier

Single-cycle UMZCH by Adam Tatush on the Soviet analogue of the cult direct-heated triode 2A3 - 6S4S

Single-cycle UMZCH on G-807 in triode mode

Single-cycle UMZCH on two powerful field-effect transistors of different conductivity

Single-ended UMZCH on a field-effect transistor

Single-ended UMZCH on field-effect transistors

Single-cycle UMZCH on controlled zener diodes

Single-cycle UMZCH with local environmental protection E-Linear

Single-cycle ULF with a power of 65 W at 6P45S with control over the second grid

Single-cycle ULF on radio tubes

Single-ended amplifier on a 6P45S lamp

Single-ended current amplifier - instead of a transformer

Single transistor lightning

Single transistor hidden wire detector

Single transistor receiver

Single transistor telegraph transceiver

Single-phase uninterruptible power supplies of the DPK series: dynamic and spectral characteristics

Single-phase capacitor motors

Single-Phase Power Factor Correctors (PFC)

Single-phase asynchronous capacitor motor with dynamic braking device

Single phase power regulator

Single frequency QRP DSB transceiver for 15m band

Single-chip Wi-Fi solution Radio-On-Chip for Mobile - ROCm from Atheros Communications

Single-chip solution for analog and cable digital TV Broadcom BCM3560

Freescale Semiconductor's single-chip, ultra-low-power ZigBee platform solution can run autonomously on a single alkaline battery for 20 years

Wolfson Microelectronics WM2200 single-chip ultra-efficient noise suppressor solution for mobile phones and portable radios improves signal-to-noise ratio in the transmit channel up to 32 dB, and in the receive channel up to 20 dB

Single-chip jpeg video codec ADV202

Single-chip UHF transceiver CC400 from CHIPCON

Single-electron transistors and quantum computers

Defeated a pest beetle

Domestication continues

Odometer from a microcalculator

Dandelion

Dandelion - human companion

Dandelion Protects

Dandelion defines purity

Antoine's necklace

Star Necklace

Beaded necklace

Weight necklace

Balloon necklace

Steiner's necklace, or the love of computing

Let's revive the power supply

Flash revival

Revitalizing tap water

We revive contacts

revived brand

Revived the past

Animated glass

Animated tops and roots

Reanimated mammoth hunters

Animated sound

Expected and unexpected discoveries

Waiting for an operation is worse than the operation itself.

Obesity - a contagious disease?

Is obesity contagious?

Obesity and weight loss

Obesity of the undernourished

Burn (what measures should be taken in case of a burn)

Perplexed complexes

Illumination by law: a new look at logic and intuition

Soundtrack for narrow film films

Sounded filmstrip

Movie dubbing

Dubbing of amateur films on a Kvant film projector

Air revitalizer - washing RPZU

Roof greening

Window landscaping (grille for a corner with plants on the window)

Landscaping of a flat roof

Lakes Nero and Pleshcheyevo

Ozerk son of the lake

lake frog

Lake battery. Batteries

Lake in Antarctica

Lake of my childhood

Lake at the top of the salt mountain

Lake Chad dried up

The lake, which is called Mono, lies at an altitude of 1945 m above sea level.

Winter rye site attendant

Let's mark the sports summer with new records

Ozone is not always good

Ozone instead of a scalpel

Ozone instead of washing powder

Ozone instead of chlorine

Ozone instead of bleach

Ozone or ions?

Ozone against caries

Ozone, volcanoes and ... rockets

Ozone: new opportunities

Barrier Type Ozonator

Air Ozonizer

Ozonizer based on voltage converter

The ozone hole is now over the Arctic

Ozone hole: people are not to blame?

Ozone holes and other troubles

Ozone holes disappear without human help

Ozone holes from a geologist's point of view

Ozone technologies - for radio amateurs

The ozone layer and the myth of danger from outer space

The ozone layer can be restored

Ozone techno-transition

Naughty grandson (puzzle)

DDR4 RAM coming sooner than expected

45nm Intel RAM contains 1 billion transistors

RAM in dynamic display devices

RAM instead of ROM

OZCHU on VHF 2013

OZCHU-2013 - a real extreme!

Oh, there's a new brownie in the house!

Oh, mountain ash, mountain ash

Oka comfortable car for the city

petrified brains

Fossilized habits of dinosaurs

petrified bread

Edging for an old diplomat

Plywood edging

Flower garden edging

Okachundra (story)

Cursed. Sketches from Russian history

Sukhoi Design Bureau: into the new century with new technologies

The ocean swallows carbon dioxide

The ocean desalinates itself

The ocean has gone cold

Ocean under Beijing

Ocean-209

ocean swell

ocean monitoring

ocean filter

The oceans are desalinating

Nitric oxide and the fate of man

Windows without problems

Windows need maintenance

Window to Europe on the site of a medieval door

Window to the world of science

Window to the sky

Studio style window

Window like a subwoofer

Window with a low sill

Showcase window

Eye to the sky

Near glass

Musical history

Scientific information. It's curious!

Parascientific broken phone

End stages of bass amplifiers

End stage and amateur transmitter modulator

Terminal stage on GU-33B

End stage of capacitive type security device

End stage UMZCH

Final amplifier for a walking tape recorder

LF final amplifier

window grill

window enamel

window decorations

Window bars

Window sensor Queen

Antique window frame

End

End of the article. For the beginning, see Radio, 2013, No. 2. Exp1-Exp3 software projects are available at ftp://ftp.radio.ru/pub/2013/03/exp1-3.zip

The final solution to the lightbulb problem

The final solution to the problem of heat and energy in general

Final diagnosis

Outskirts of my childhood

Car painting

Coloring of bulbs of lamps

Coloring of colorless organic glass

Coloring of duralumin panels

Organic glass coloring

Painting an old cabinet

Coloring bulbs lamps

Coloring the insulation of installation wires

Spray painting

Wire coloring

Figure neighborhood

Landing environment. (Solution of problem M91)

Circles on gratings

Circle of nine points

Circle of nine points and Euler's line

Miquel circle

Inspired by India

Inspired by the Coanda effect

oximeter

Nitric oxide - with hemoglobin and more

Oxide Buckyballs

Oxide capacitors in electronic equipment

Oxytocin for women and men

Oxyfers

Octave with electronic voice

Octane corrector

Octane corrector - ignition unit

Octane-corrector based on a phase variator

Octane corrector on CMOS chips

Octane and detonation problem

Octane number. Myth busting

Octanometer

October

Plunging into the depths of arithmetic

Ola and superacids

Pancakes with meat filling

Deer and horses, horns and hooves

Deer of La Mancha

deer pond

Olive - the first among all trees

Oliva, she is an olive

Oliver Heaviside

Olivers Castle. The mystery of crop circles - falsification or reality

olive moon

Olive oil as a reward

Olive oil protects against skin cancer

Olive oil as a pain reliever

Olive vs Sunflower

Olympus

Olympics at MIIT

Olympics in Omsk

Olympics for the smart

Olympics at home

Olympics and elections

Olympiad MIPT-72

Ompi + MIPT Olympiad

Mathematics Olympiad

Programming Olympiad. Organizing Committee

Physics Olympiad

Physics Olympiad of the Leningrad Polytechnic Institute

Singapore Robot Olympiad

Soros Olympiad in Mathematics

Soros Olympiad in Physics

FPFE Olympiad

Olympiad tasks. (I.Sh. Slobodetsky and V.A. Orlov, All-Union Physics Olympiads)

The Olympics are held by an electronic computer

MIPT Olympiads

Olympiads in Informatics in Kyrgyzstan

Olympiads of bygone millennia

Olympics, olympiads

Olympic science. Technodoping

Russian Olympic victory

Olympic construction rewrites the history of Christianity

Olympic technique

robot olympic games

Olympic Games: yesterday, today, tomorrow

1993 Olympic Mind Games

Olympic rings

Olympic herbs

Olympic Masterpieces

olympic instrument

Olympic Youth Tennis. Ball and racket

Olympians at school

Olympia before Christmas

Olympia. Tradition and modernity

Tin: facts and facts

Tin spring from ISAN

Olga and Lensky - what's next?

Alder - Olkhov

Dipper

Mistletoe from a biologist's point of view

High resistance ohmmeter

Ohmmeter on the operational amplifier

Ohmmeter on OU

High accuracy ohmmeter

Ohmmeter with linear scale

Ohmmeter with logarithmic scale

Mains powered ohmmeter

Ohmmeter with continuously adjustable measurement limits

Ohmmeter with a uniform scale

Ohmmeter with LED indicator

Battery rejuvenation with vise

Lilac rejuvenation

Homonyms (puzzle)

Omsk Committee of DOSAAF is not preparing for the 11th All-Union Radio Exhibition

Omsk NOU - 15 years

Omsk NOU - 20 years

He was a troublemaker

He was forced to become rich

He was known for his toughness and incorruptibility.

He was on the Golden Ring (Raduga velomobile)

He was the first

He was romantic

He was a titular adviser

He was with Lenin. (Radio expedition October-60)

He sees tiny crumbs of metal

He is the highest criterion for our souls. To the 200th anniversary of the birth of A. S. Pushkin

He thought about Russia

He lived on people and for people

He did in science what he wanted and what he could

He and she. Story

He invented daylight saving time

He wanted to silver my tongue

He could change the face of the Kremlin

He probably knows ... (essay about S. Zavodskov)

He is not low, not high (summer one-room house with a veranda)

He was ahead of his time

He defended the right to life

He coined the word astronautics

He lived a happy life (biography of I.V. Kurchatov)

He lived a happy life (on the 80th anniversary of the birth of I.V. Kurchatov)

He made up his mind... But for what?

He said: Let's go!

He fought against Suvorov, but died defending the honor of the Russian flag

He was able to see into the future!

He recognizes you by sight

He taught to build bridges

She defends the bronze

She is very kind to me

She could become a Russian empress

She wrote poisoning

They will work in radio factories

They will be radio operators

They were the first

They were the first. The oldest stars

They were the first. The secret of the first beep

They are still needed in space!

They live forever

They deserve praise

They study radio engineering

They call it the Higgs boson

They started their journey with amateur radio

They must not disappear

They are not inherited, and why

They won't get through. World War I in the Baltic

They lit up the world in a new way

They defended Sevastopol

They built great TVs

They enter the brain. Experiments on people

They worked at the memorial

They are with the Yenisei on you

They serve science

They exist! Gravitational waves registered

They are the same kids.

They teach airplanes to fly

Oncogenic needles in the haystack of civilization

Online video converter www.bbk.tv allows you to search the Internet for free streaming video, convert it to the desired format and then download it to your MP4 flash player

Online translator Translated! 3.0

Online simulator eDesignSuite

Online simulators of step-down, step-up and mixed voltage converters

Online digital photo enhancer Center for Perceptual Systems

Online access to 44 FM stations in Moscow, 12728 artists and 51929 songs on moskva.fm

Infineon online tool for fast LED ballast design

Online axial mode calculator in a rectangular room

AnyEQ Online Calculator for Gain, Crossover Frequencies and Correction Capacitor Values

Google Translate online translator can now work with 41 languages

MotionDSP online service for restoring or enhancing the quality of low-resolution videos

ADIsimADC Online Service Simulates ADC Characteristics

Online resistor color coding script at www.dannyg.com/examples/res2/resistor.htm

DIY online TV player

Interlink LLC is a new player in the Ukrainian market of lightning protection and grounding systems

Filur Electric LLC and the market of Ukrainian electrical engineering

Era Comfort LLC is a new fast-growing Ukrainian company Maxim Baturin

ESCORT LLC: Old Siemens in a new guise

Fallen sails. Memories of the Baltic Shipyard

Opal nanomatrix gives X-ray

Opal liner

The disgraced family of the Staritskys

Beware of fake

To be afraid or not to pay attention?

Is liquid smoke dangerous and what is it

Is a cell phone dangerous to health?

Dangerous only for microbes

Is piranha dangerous in an aquarium?

The dangerous pursuit of the ideal

Dangerous profession - electrician

Is mad cow meat dangerous?

Dangerous Would

dangerous bloom

The dangers of artificial insemination

Wildfire Hazards

The danger is real

The danger of motorcycle exhaust fumes is underestimated

Jungle Danger

Danger from space

The danger of the extinction of the white race

Danger of touch voltage in case of damage to the insulation of electrical installations

The danger of static electricity

The danger of e-waste

A danger that can be prevented

Are drugs released into the environment dangerous?

Dangerous Archives

Dangerous viruses live in shellfish

Dangerous games

Dangerous pronouns (puzzle)

Dangerous inhabitants of the sea

Dangerous shifts in climate

Dangerous airbags

Dangerous Offal

Dangerous gnome

Dangerous handsome

Dangerous trash

Dangerous Passport

Dangerous light in the night

Dangerous tram

Fan and stove in one bottle

OPEC and world energy

Opelevsky baby

Honey agaric in amber

Opera 8.5 is now free

RAM and the number seven

RAM from Chaintech

Operational adjustment of the hysteresis in the thermostat

Operational information and control complexes Contact for various levels of dispatch control in the energy sector

Operational soldering iron switch

Vera operator

Cable TV operators are TV and radio companies?

Operations on the Host bus of the PENTIUM PRO/II/III system interface

Operations on the LPC interface

Exchange operations on the Host bus

Exchange operations on the Pentium 4 system interface

Operating system

Operating system Google ChromeOS

ORDOS operating system for Orion-128 missile defense system

The Xandros Presto operating system boots almost an order of magnitude faster than Windows

Operating system and office functions

Operating system SR/M-80 for personal radio amateur computer Orion-128

Operational and instrumentation amplifiers from the Burr-Brown production line (Texas Instruments)

Operating systems of personal computers

Operating schemes

Operational amplifiers

Low Power Operational Amplifiers MCP6031, MCP6032, MCP6033 and MCP6034 Microchip Technology Inc

Operational amplifier

Operational amplifier - a child of fire

Operational amplifier AD546

Analog Devices AD8045 Operational Amplifier

Operational amplifier IL9002N, IL9002AN

Operational amplifier in amateur radio equipment

CD4049UBE CMOS Buffer Inverter Operational Amplifier

Discrete Operational Amplifier

DC op amp

The operational amplifier is used ... like a rake

Operational amplifier with a supply voltage of 1 V

Low Voltage Operational Amplifier

Operation

Operation Bagration: June 23 - August 29, 1944

Operation Bagration: Blitzkrieg to the West

Operation without problems

Operation in the Oslo Fjord

Operation Kevlar

Heart surgery

Operation Eagle's Nest

Operation ceiling

LED operation

Operation Alloy

Operation Clean Water

Operation Enigma

Ahead of time

Get ahead of your temperament (Eysenkov test)

Ahead of time

Ahead of the world's technical thought

Operates the sun

Typo or medical term?

Building on an asset

Building on an amateur radio asset

Description and analysis of a new 50-watt amplifier circuit

Description and repair of the KR-405 reamer cassette

Description and joint application of network, smoothing and motor chokes from Elhand Transformatory

Description of the set 4-channel microprocessor timer-thermostat-clock and practical application of the unit

Description of the project using state diagrams

Description of the industrial design

Description of the office equipment repair market in Chelyabinsk and the Chelyabinsk region

Descriptions in English for JBL Speaker Shop

Circumscribed and inscribed spheres of a tetrahedron

Circumscribed trapezoid and mean

OPK has created a high-speed network for supercomputers based on its own VLSI

Fare payment by phone

Spat on Relic (Puzzle)

Fertilization with adventure

Annunciator for a car enthusiast

late for the war. Missile tanks

Identification (puzzle)

Identified flying objects. Russians in Le Bourget

Identified flying object. frisbee

ladle

Support for bushes

Garden pitchfork ladder support

Support for the student

Reliance on the asset

Building on Manufacturer Experience: Maxim Integrated Reference Platforms

Support stand with rollers

reference oscillator

Metal supports (for climbing plants)

Opposite. A spark will ignite a flame

Mandrel for turning flat wooden parts

Mandrel for grinding

Age of Nazca drawings determined

Determination of WW locator by QTH coordinates

Determining the azimuth for orienting antennas

Determining the azimuth and elevation angle to a geostationary satellite using graphs

Determination of hydrodynamic resistance

Power transformer data definition

Determination of E foil material

Detecting Paper Jams in Canon NP-1215

Troubleshooting Your TV

Determination of short-circuited turns in a network transformer

Determination of the stabilization factor

Determination of local time

Determination of the power dissipated at the anode

Determination of the same name conclusions of an asynchronous motor

Determination of the main lighting and electrical characteristics of LED lamps

Determination of PSpice parameters of models of field-effect transistors MDFT and bipolar transistors IGBT according to experimental characteristics

Determining the parameters of generator lamps

Determination of coil parameters using an electronic oscilloscope

Determination of the parameters of quartz resonators necessary for the calculation of ladder filters

Determination of coaxial cable parameters

Determination of the parameters of the hysteresis loop of the magnetic circuit

Determining the parameters of semiconductor triodes

Determining the parameters of the surge reactor in 12-pulse voltage converters

Determination of parameters of electromechanical devices

Determining the Bandwidth of Narrow Band Filters

Determination of the polarity of capacitors K50-6

Determination of the consumed reactive power of an asynchronous electric motor, taking into account its current load

Determining Distances with a QTH Locator

Determination of earth resistance

Determination of the state of biologically active points

Determination of the sum of digits of a number on a computer

Determination of the thermostable point of zener diodes

USB Charger Type Detection - World's First Solution from NXP

Determination of the saturation current of inductors with magnetic circuits

Determining the characteristics of the bass amplifier

Determining the color characteristics of a monitor

Determining the pinout and health of the transistor using an avometer

Determining the pinout and serviceability of transistors using an avometer

Determination of the pinout and the type of conductivity of transistors

Determination of the number of turns of the transformer windings

Determination of the number of turns of a power transformer

Determination of the equivalent parameters of a quartz resonator

Identifier of web addresses of manufacturers of electronic components

Determinant of conclusions and main parameters of transistors and diodes

Rangefinder for DX4WIN

Substance Identifier

Determinant of assignment of wires of joysticks

DTMF standard number identifier

FSK number qualifier

Cable wire number locator with speech indication

Cable wire number determinant with voice indication V. Aksenova

Determinant of ratings of foreign resistors

Winding polarity detector

Phase sequencer

Determinant of the structure and conclusions of the transistor

Determinant of pinout of transistors

Determine liquid level

We determine the humidity (psychrometric table)

We determine the pinout

Desalination of sea water using graphene

Oprichnaya capital

Spraying by choice

Sprayers

Sprayer

Sprayer. Homemade construction

tidy porch

Optics for medicine: new diagnostic methods

Optics without optics

Viking optics

carburetor optics

Optics for street LED lamps

Optics and spectroscopy. Some terms and concepts

Optics of black holes

Optical-mechanical mouse in personal computers

Optical-mechanical defects CD-ROM

Opto-electronic logic elements

Optimal zip code encoding. Mathematical patterns on the plane

Optimal ferrite design

Optimal counterweight system for vertical antennas

Optimum signal filtering and noise cancellation

Optimal filtering, demodulation and recognition of one-dimensional signals hidden in white noise using convolution transformation, invariant and Kotelnikov formula

Optimum frequency compensation and reduction of dynamic intermodulation distortion of transistor UMZCH

Optimally tuned High-End volume control

Optimal use of wideband ultra-dynamic amplifiers

Optimal arrangement of pins of microelectronic op-amps allows minimizing non-linear distortions

Optimal Leading Solution

The optimal solution for comprehensive protection

Optimal power supply solutions

Optimal charge and storage algorithm for Li-ion and Li-pol batteries

Optimum tri-band vertical for 40, 80 and 160m

Optimum Beam Angle and Common Antennas

LO voltage optimizer

Bias and write current optimizer

Video card optimization through BIOS firmware

Optimization of heterodyne voltages of double balanced mixers

Optimizing the ignition of fluorescent lamps

Transformer Design Optimization

Modem connection optimization

Optimization of reporting volumes of authorized service centers

Acoustic impedance panel optimization

Optimization of the parameters of the microprocessor system for collecting and processing information

Consumption optimization in the development of systems based on digital signal processors

Optimization of the verification procedure for resistance thermometers and thermoelectric converters

Screen printing process optimization

Optimization of the operation of the autonomous power supply system of the drilling pad

Bike generator optimization

Optimization of the first mixer

Optimizing the work of an electrical company during the financial crisis

Optimization of ultra-bright LED driver development

Optimization of loop antennas for reception at low frequenciesVHF power amplifier based on metal-ceramic triode GI-7B

PSU mode optimization

Optimization of the BP mode (RL, No. 3/2015, p. 38-40)

Optimization of electromagnetic relay control schemes

Bias current optimization

Optimization of bias current in tape recorders

FET output stage quiescent current optimization

SMT Stencil Optimization

Amplifier Path Optimization with MICRO-CAP 7.0

Optimizing Signal Stage Performance (National Semiconductor)

Optimizing Power Module Performance for Difficult Environments

Optimization of the sensitivity characteristic of the temperature sensor

Optimization of noise parameters of signal circuits. Part 1

Optimization of noise parameters of signal circuits. Part 2

Power consumption optimization of STM32L4 microcontrollers

Optimized Optimism

Optimized for efficiency The Blueline ECO750 VHF power amplifier from SSB-Electronic is the only power amplifier in the amateur sector that is based on the Doherty principle.

Optimism is a must!

Optimists don't die

Optina Pustyn

optical memory

Optical radio

Optical recording system

Optical system for a wavelength of 1550 nm for ring structures of FOCL in urban environments

CD drive optical system

Optical electronics by candlelight

Optically isolated I2C interface

Optical anamorphoses on a calendar - 2006

Optical blocks of the KSS series. Replacement or restoration?

Optical sensors

Optical sensors TURCK

Optical liquid level sensors

Optical liquid level sensors (Honeywell)

Optical discs

New Generation Optical Discs - FVD

Optical discs: troubleshooting

Optical problems in entrance exams

Optical illusions

Optical transmission lines

Optical mini reflectors

OMRON Optical Multiplexers with MLA Technology

Optical experiments with the eye

Optical constructions

Optical instruments

Optical properties of the ellipse, hyperbola and parabola

Optical systems

Optical systems and devices

Optical systems for reading and writing data on CD-R/RW, DVD+R/RW, DVD+R DL and Blu-Ray Disk

Optical telescopes of the XNUMXst century

Optical amplifiers

Optical reading machines

Optical Multiplexed Optical Data Storage (MODS) with a capacity of 1 TB

Optical active infrared sensor

Optical barrier for security systems

Optical barrier for security systems

Optical hard drive

Optical generator

Optical sensor

The Cranberry DiamonDisc optical disc is guaranteed to retain information recorded on it for 1000 years and is readable by any modern DVD drive.

1,6TB optical disc developed by Swinburne University of Technology

Optical and acoustic battery status indicator

Optical IR S/PDIF transmitter

Optical indicator

Optical tuning indicator

Optical mains voltage indicator

Optical interface for processor components

Optical limit switch

Optical laser disc CD-ROM (sidirom)

Optical microphone

Optical parking sensors for children's car

Optical tweezers

LG GGW-H10N optical drive for PC is compatible with both Blu-ray and HD DVD

Optical receiver with LED

Optical transceiver

Optical Time Domain Reflectometer MW9076 from Anritsu

optical telescope

Optical phone

Optical translator of low-frequency signals. A device for transmitting sound and ultrasonic signals over an optical channel over a distance of up to hundreds of meters

Optical fiber

Optical sounding of the Earth and the Moon from space

Optical image and projective plane

Optical relay

Optical fiber and fiber optic sensors

Fiber optic data transmission from TE CONNECTIVITY - SFP and XFP connectors

Optoswitch for utility room

Railroad Model Optoswitch

Optogenetics. How to control a neuron with light

Optogenetics: the brightest thoughts

Optoisolators manufactured by International Rectifier

Optointerface 2xRS-232 for communication of the transceiver with a PC

Optointerface for FT-817 transceiver

Optomechanical orientation sensor SFH7710 from Osram Opto Semiconductors GmbH

Optocoupler-converter of AC and DC signals to logic levels

Optocouplers 4N2x in switching and control circuits

Optocouplers in 6-pin package

Optocouplers in 8-pin package

Optocouplers in plastic DIP packages

Optocouplers with logic output

Optoisolation of the audio signal

Optorelay 220 V / 10 A

Opto relay 220V/10A NF249

Optorelay 220 V/50 A

Optorelay for work with load 220 V/10 A

Optorelay series K293 (KR293)

Medium AC power opto relay K293KP13P, K450KP1, K450KP1P

Powerful Load Optotriac Switch

Optotriacs

Optoelectric printed circuit boards

Optoelectronics

Optoelectronic security alarm system

optoelectronic relay

Optoelectronic sensors in the disc drive of the player

Hewlett Packard optoelectronic infrared products

Hewlett-Packard optoelectronic infrared products

Optoelectronic keys with current protection

Optoelectronic switches K294KP series

Optoelectronic MOS Relays

Optoelectronic MOS Relays NAIS

Optoelectronic MOS relays, low power

Medium Power Optoelectronic MOS Relays

Optoelectronic devices

Optoelectronic devices in copiers

Optoelectronic relays

Optoelectronic relays PS71xx

Optoelectronic Relays by International Rectifier

AC optoelectronic relays

Optoelectronic relays KR293 series

Optoelectronic relays, K294 series

Optoelectronic Solid State Relays

Optoelectronic Solid State Power Relays

Optoelectronic Solid State Low Current Relays

Optoelectronic devices

Optoelectronic analogue of electromagnetic relay

Optoelectronic generator

Optoelectronic combination lock with plastic card

Optoelectronic tone modulator

Avago Technologies ACNW3190 optocoupler capable of driving loads up to 5A

Optocoupler protection system AC

Optocoupler manipulators in EMP

Triac and thyristor optocouplers MOC3061-MOC3063, MOC3081-MOC3083

Optocoupler electronic ignition sensor for car Zhiguli

Optocouplers

Toshiba TLP184 optocouplers of two back-to-back-parallel gallium arsenide LEDs irradiating a phototransistor

Optocouplers AOU103A - AOU103V, AOR104A, AOR104B

Optocouplers in amplifying-switching devices

Optocouplers and optocouplers based on photodiodes

Optocouplers and optocoupler MS based on photothyristor

General purpose optocouplers from COSMO ELECTRONICS

Tumors harmless and dangerous recede

Tumors in a flask

Tumors, genes and evolution

Autobiography experience

The Arago experience: 63 years before the Ferraris

Mole control experience

Experience in restoring the emission of cathodes of kinescopes and electron tubes using the Kvintal device

The experience of the old war

Experience in replacing trinistors of the KU221 type

Experience of using signature analyzer POLAT T 3000 in a service center

Experience of Claude and Bouchereau

Experience of multiprogram broadcasting in Riga

Experience in modeling power electronics systems in the OrCAD 9.2 environment

Experience in organizing a telemester room in a village

Experience in digitizing archival audio recordings

Experience in connecting industrial electric motors to a household network

Experience in building data transmission networks based on Conel CDA-70 radio modems

Experience of receiving DRM radio stations in Irkutsk

Reception experience with dipole antennas

Experience in receiving signals from shortwave broadcasting stations operating in the DRM system

Experience of HDTV reception in Moscow

Experience continues 120 years

250 years of experience

Experience with STV reception system

Experience with STK200 programmer

Experience of radiofication of the Moscow region

Experience in implementing EMOS by displacement

Experience of regular communication on meter waves

Editorial Experience: A Flame That Goes Down

Experience in the repair and design of power supplies, chargers, converters and electric welding devices

Experience in repair and construction at home

Experience in repairing TVs with SANYO microcontrollers of the LC863xxx family

Experience with kinetic sand

Coin Experience

The experience of the oldest - the young

Antiquity experience

The experience of the UGCR in fulfilling the tasks of space radio frequency monitoring at the international level

Operating experience of UW4HW type antennas

Operating experience and refinement of GSM alarm MT9021

Experience in operating and repairing a Toshiba 2060 copier

Operating experience of a small-sized loop indoor antenna

Operating experience of radio stations of low-level VHF-FM communications

Experience: how to get dry sand out of water

Experimental station for color television

Experimental installation of color surround television

Prototype (story)

UA6AGW experiments with magnetic loop antennas

Experiments to study jet propulsion

Experiments and demonstrations

Experiments and observations

N. Tesla's experiments on the transfer of energy over the earth's surface

Experiments on total internal reflection

Experiments on receiving broadcasts from the Kyiv Television Center in Gomel

Rutherford's experiments

Experiments with bottles

Experiments with water in the cold

Experiments with balloons

Experiments with rotating fluid

Experiments with a high-frequency generator

Experiments with infrared radiation

Experiments with Quadraphony

Experiments with a coherer

CD experiments

Experiments with a spoon of broth

Experiments with magnetic fluid

Experiments with magnetic needles

Experiments with pendulums

Soap film experiments without soap

Experiments with plastic bottles

Experiments with a Fresnel plate

Experiments with powder figures

Experiments with a piezovibrator

Experiments with vegetable oil

Experiments with synthetic films

Experiments with the center of gravity

Experiments with light

Experiments with luminous substances

Experiments with a candle

Water jet experiments

Experiments by Frank and Hertz

Honey mushrooms - not honey mushrooms

Again the deuce

The compass is reinvented

Again Who is faster?

Again about the sawmill (homemade sawmill)

Again about the equalizer

Cold fusion again?

Oracle of the Four Winds

Orangutan on a fishing trip

Orange revolution on Moscow ponds

Orange sky

orange healer

Orange black box

Orbit

Orbit of Arthur C. Clarke

Orbitals in a test tube

Orbital station or natural relief?

orbital movement

Orbital origami

Orbital crowbars

Orbital maneuvers

Orbital complex Mir - on amateur frequencies

Orbital ship Buran

Orbits

Orbits of artificial earth satellites

Orbits we choose

Organ in time and space

An organ of the highest perfection!

Organizers: portability and on-line in one bottle

Organizational and technological content of the infrastructure of a distributed computer network

Organization of input and output in a computer

Organization of Higher Engineering Educational Institutions in pre-revolutionary Russia

Organization of two channels of sound

Organization of protection of computing systems

Organization and repair of the electrical network in a modern house

Organization and topology of data exchange in a car - MOST bus

Organization of equipment monitoring in a PC

Organization of a multiprocessor network with a bus architecture based on the RS-485 interface

Organization of information exchange via IR channel

Organization of windows in BASIC programs

Organization of optical networks

Organization of parallel operation of AC uninterruptible power supplies

Power supply for FPGAs of the CoolRunner-II family from Xilinx

Organization of work of students in the framework of projects in the preparation of specialists in the field of modern information technologies

Domain Name Service Organization in Windows Server 2003

Organization of an e-mail service on the Internet

Organization of security tools in Microsoft networks

Organization of the environment for working with a personal computer

Organization of strategic games

Organization of sites and workshops for the assembly of electronic equipment

Organization of a digital radio channel on nRF905 transceivers

Organization of a radio/Internet gateway based on... Baofeng UV-5R and VoIP service

Organization of operation and repair of large groups of computers

Organization of the electrical network in a residential building

Organization of the Electronic Archive

Organization of power supply of houses and apartments with mains voltage that does not meet the standard

Organization of power supply of mobile complexes at a stationary position

The body is cleansed of disease

Organism wins in the first round

Organism. Variations on one theme

Start the academic year in an organized way in radio engineering circles

Organize the release of receivers for shortwave communications

Organize shortwave radio courses

Organize local competitions

Organics from space

Organic and printed electronics on the rise

Organic photovoltaics - the future of solar energy

Organic electronics: yesterday, today, tomorrow

Organic materials in modern microelectronics

Organic semiconductors and their use for color displays

Organic fertilizers vs. insecticides

Organic battery for flexible displays of the future

organic superconductor

organic light

organic solar cell

Organic farming

Organic glass as a diffusing screen

Organic fuel - to the dustbin of history?

Organosiloxanes: the path to recognition

organ organs

Office equipment for the traveler

Order of St. Andrew the First Called

Order of Judah

Order of Victory and its cavaliers

Orders of the White Army

Order of the Great Patriotic

Order of the Red Banner of the Union Osoaviakhim of the USSR (to the 20th anniversary of Osoaviakhim)

Order of Lenin, Red Banner

Ribbons

Eagle and Elbrus in the symbols of Kabardino-Balkaria

Walnut with red leaves

A nut that hooligans are too tough for

Nuts are different

Nut Rhapsody

Nut is not for the impressionable

Nuts, aniline, invisible

hazel in the garden

Origami

Origami in the lives of great people

Origami and construction

Origami, game, puzzle or something more?

Origami Paper Zoo

Origami? Origami!

original wow box

Original flower bed

Original bed made of planed boards

Original furniture in the bathroom

Michal Kurzel's original technique for optimizing the depth of the general environmental impact for lamp UMZCH on 6Zh1P + 6P1P

Original anti-theft

Original light and music console

The original circuit of V. Efremov for stabilizing the bias of transistors of the output stage of a push-pull UMZCH in class AB mode

Howard's original circuit Brand adjustable voltage divider with improved accuracy

Original Tinytag Wireless Datalogger System

Original proof of Archimedes' law

The original circuit design of Ai van Dorn's hybrid UMZCH on the PL509 triode and TDA7294 IC

Originality above all else

Original gazebos

Original headsets (homemade lamps)

Original and compatible consumables for digital duplicators (risographs)

Original candlesticks for Easter

Original recipes

original lamps

Original clock on the LED display

Original watch. From the Catalog of Impossible Objects

original stuff

The original SDR receiver for the 40-meter range on the IC of the quadrature demodulator TDA8040T

original antenna amplifier

An original look at an old thing

Original decor (drawing patterns on furniture)

Original power indicator

The original cartridge is the insurance policy for the printer

The original tube UMZCH with a push-pull bridge output stage with a dynamic load

original microphone

original new year light effect

Original identification signal for CB transceivers

Original candlestick

Original radio microphone

Original LED mode indicator

original light machine

The original WA6RNC way to increase the dipole bandwidth so that one antenna is enough for the entire 3,5-4,0 MHz section without tuning

The original way of manufacturing printed circuit boards

The original way to feed plants

The original way of rooting roses

The original equivalent of SRPP in the output stage of the transistor UMZCH

Originator

Antenna orientation

Orientation of the antenna to the satellite according to the graphs

Customer focus is the key to success

TV antenna orientation

Antenna orientation

Approximate calculation of the capacitive rectifier

Orion and his team of stars and star clusters

Orion and his crew: nebulae

Orion-128 program loader PRK Radio-86RK

Orion-128. PRINT MASTER

Orion-128. First results

Steller's eagles, bald eagles, white-tailed eagles

Eaglet (dual-band transistor radio)

Eaglet-605

Orlovsky water pipeline

Ormuzd and Ahriman

Ornaments

Cross Stitch Ornaments

Ornaments with snowflakes

Ornithopter Albatros AS-5mh

Desert sprinkler. D. Jones, Inventions of Daedalus

Orthogonally steerable antenna Delta K9AY

Orthogonal hydraulic unit

Orthogonal comfort

orthocentric triangle

A weapon of truth and revenge

Master Tools

Tools for autumn digging

Tools of labor on the coats of arms of Russian cities

Monkey tools

Weapon exotic: Kalashnikov KSZ-223, exclusive carbine

weapon box

Warship weapons

Weapons of the future: reality and fiction

Weapon of the century: artillery. The best guns

Weapon of the century: bombs. Best Bombs

Weapon of the century: armored vehicles. The best armored vehicles

Weapon of the century: helicopters. The best helicopters

Weapon of the century: ships. The best ships

Weapon of the century: air defense - missile defense. The best missile and air defense systems

Weapon of the century: missiles. The best rockets

Weapon of the century: aircraft. The best planes

Weapon of the century: small arms. The best small arms in 100 years

Weapon of the century: submarines. The best submarines

Weapons are illegal. 10 banned weapons

Weapons of vengeance that paved the way into space

Weapons of the Iraqi War

fox weapon

The fox's weapon - what should it be?

Weapons of mass destruction

Sky Rain Weapon

Last chance weapon

Weapon of Last Hope

Radio operator's weapon

SWAT weapons

The weapon is accurate, the result is instant

Officer's honor weapon

Weapons built into vehicles

With weapons in the sun sparkling ... (puzzle)

Orchids

Orchids in the city

Orchids and their pollinators

Orchids near us

Orchid in the room

Orchid Compera - Crimean miracle

Orsha - Vorsha

Android OS will find application in car radios

OS-110A and TVS-110LA in a transistor TV

OSA - the first self-propelled gun of the Wehrmacht

Sewage sludge for fertilizer

Deposition of layers of fusible glasses

Mastering 10 GHz!

Mastering 5,7 GHz - our first experience

Mastering Logic

Mastering programmable logic matrices from ALTERA

Mastering the work with the DS1307 watch

Mastering the microwave range

Mastering the microwave range

Refreshing the speakers

Refreshing a wilted bouquet of flowers

Air freshener against rust

Illuminator for exposure of photoresist

lighting device

Lightening of the lens

Lighting the workshop and warehouse: specialized power supplies from MEAN WELL

Lighting for the bike! Battery with recharger for lighting the road at low speed or when parking

Lighting in your home

Lighting of explosive and fire hazardous premises

Lighting of explosive objects of various industries

Thermometer lighting

Lighting and charging a cell phone battery from lawn lamps

Lighting and illumination

Interior lighting

Lighting for every taste

Lighting on fires

Illumination of the plane by searchlights. (Solution of problem M545)

Illumination of premises with series-connected LED lamps

Illumination of space, cones and convex sets

Lighting from a balloon

garden lighting

Car interior lighting

Interior lighting with ultra-bright LEDs

Warehouse lighting - norms, methods, requirements

Street, road and motorway lighting

Lighting: from fires and torches to modern LEDs

Automatic control of lighting

Illumination of the balcony and plants

Release line (paired phone alarm)

Free your hands (pedal drive for drilling machine)

Exploration of the Arctic: The Northern Sea Route returns

Explore a new range

Let's master the VHF bands

Let's master the VHF band

Axial symmetry

Axial time on the shoulders of giants

Riding the sea currents

autumn starry sky

autumn starry sky

Autumn meetings on the Sea of ​​Azov

Autumn children live longer

Autumn fun

Autumn preparations (ginger pumpkin, spicy pumpkin seasoning, autumn jam, cranberries in bottles, rosehip liqueur, marinated cranberries, champignons in a spicy marinade, quince jelly with pineapple, quince candies)

Autumn preparations (canned cucumbers, pickled zucchini, vegetable hodgepodge, pickled porcini mushrooms, sauerkraut)

Autumn preparations (cucumbers and tomatoes in their own juice, eggplant caviar, sauerkraut with apples, sauerkraut salad with carrots and apples, sterilized onions, home sterilizer)

Autumn preparations (fresh blueberries, strawberries in their own juice, five-minute jam, medicinal blackcurrant liqueur, drying fruits and berries)

Autumn crops and winter lettuce

autumn shower

Autumn IDFification 2005

Autumn astronomy school in SAO

Autumn garden palette

Autumn landing

Autumn

Autumn - the time of euonymus

Autumn in Crimea or G5RV by 2 meters

Autumn showers the earth with beauty, beauty

Colchicums bloom in autumn

In autumn, the hedgehog walks its sides

Sturgeon ate metals

Sturgeons in the Moscow region

Sturgeons with microchips against poachers

Aspens, wolves and nervous deer

Shards

Shards of the Dinosaur Era

High-explosive downpour

TV interference reduction

Decreasing phone clicks

Osland and Goatland (story)

Dazzlingly beautiful soot

Osmium: heavy, expensive and not a bee at all

Osmosis

Osmotic firing

Equip your porch with a handy scraper

Equipment for the Corvette

Shovel accessories

Equipment for the swimmer

We equip the kitchen (connecting kitchen appliances to the mains and water supply)

Equipment fox

Basis - mass character

The basis of your strength - power electronics from the company Discon

The basis of anti-tank defense

The basis of technological progress

Founding of psychohistory

There is no reason to panic

SiTime's MEMS-based, ultra-stable, temperature-compensated voltage-corrected micro-size reference oscillators (VCTCXO) are roughly an order of magnitude better than their quartz counterparts in terms of frequency stability, reliability, and vibration resistance

The main task of kinematics

The main line of LCDs supplied by COMPEL

HF transceiver main board

HF transceiver main board

The main board of the Sloboda-M HF transceiver

UR4QBP HF transceiver main board

Transceiver main board

The main board of the transceiver Amator-EMF

HF transceiver basic circuit

The main theorem of algebra

Basic theorem of arithmetic at school

Basic Formula

160M transceiver main unit

Main battle tank TYPE 99 from China

Basic law of the road

Basic principle of differential calculus. Part I: Linear Function

Basic principle of differential calculus. Part II: properties of the derivative

Main tank T-90

The main path and power amplifier of the Klopik K2 transceiver

The main path of a modern direct conversion transceiver

Main path of Pilgrim direct conversion transceiver

Basic element in the energy system

The main element of home theater

Basic English terms and abbreviations used in TV descriptions and diagrams

Main aspects of management and telematic services of information systems

The main types of indicators for evaluating the effectiveness of information systems

Basic data of the radio amateur satellite Radio-M-1

The main signs of compliance of lighting products with the standards of European countries

The main energy sources of the XNUMXst century

Main components of personal computer hard drives

Main design features of optical cables

Basic logical operations and their implementation

Basic logical operations and their implementation

The main brands of wires used in amateur radio practice

The main directions for improving connectors for telecommunications products

Major independent toner manufacturers

The main malfunctions of ATX power supplies

The main malfunctions of CFLs and their repair

Main malfunctions of Hewlett Packard 5L/6L printers

The main malfunctions of the electric generators of VAZ cars

The main malfunctions of the electromechanical components of Panasonic VCRs and video players (chassis of the mechanical part)

Basic definitions and concepts of computer technology

Basic parameters of GSM phones

Basic speaker settings

The main parameters of disk EMF at a frequency of 500 kHz

The main parameters of foreign transistors. Series 2N

The main parameters of foreign transistors. Series 2SA

The main parameters of foreign transistors. Series 2SB

The main parameters of foreign transistors. Series 2SB

The main parameters and requirements that determine the scheme and design of a modern TV

Basic parameters and device of operational amplifiers

The main parameters of magnetically controlled microcircuits of the USSR

Basic parameters of dynamic memory chips defined in CMOS Setup

The main parameters of devices of the Kvintal series

The main parameters of the receivers of branded HF transceivers

The main parameters of satellite television systems by SATSOM

The main parameters of low-frequency amplifiers and their measurement

The main parameters of color kinescopes from Thomson, Philips and Nokia

Basic parameters of digital logic circuits

Basic parameters of computer electronic memory

Core AMD 64 Platform Advanced Technologies

The main boards of mini music centers LG

Main provisions of the Russian Energy Modernization Program until 2020

Basic rules for diagnosing and repairing power supplies for LCD monitors

Basic rules for diagnosing and repairing printer power supplies

Basic rules for troubleshooting in the ULPTC scanner

Basic call sign prefixes for amateur radio stations (except for the USSR)

Basic Thread Design Techniques

Basic design principles of a high-speed cord model

Basic principles for selecting power sources for induction heating of rods and wires

Basic principles of construction and operation of optical disk drives

Basic principles of building LED indicator panels

Basic principles of proportional radio control of models

Basic principles of operation of industrial inverters for solar power plants operating in parallel with the grid

Basic principles of operation of GSM cell phones

Basic CD-RW recording modes

Basic information about some products of the electronic industry that are not included in the directories

The main trends in the development of embedded motor control systems and requirements for microcontrollers

The main trends in the development of microphone technology

Basic theorems

Basic technical requirements for EMC

The main types of CRT monitor video amplifiers

The main types of graphics modes of video controllers

The main types of ships of the navy of the Soviet state from 1917 to 1945

The main types of KTV transistors and their properties

Basic requirements and information on office paper

Principal angles in a regular pyramid

Main characteristics and parameters of the S1-65 oscilloscope

The main characteristics of the classes of corded car models

Key Features of Dot Matrix Printers

The main characteristics of domestic microcircuit power amplifiers AF

The main characteristics of modern liquid crystal panels from various manufacturers

The main characteristics of modern LCD panels from various manufacturers

Main characteristics of photoconductors for photoreceptor printers

Basic frequency ratios when recording on discs

The main electrical characteristics of optoelectronic switches of the K294KP series

The main electrical characteristics of receiving television antennas and requirements for them

Basics of GSM

Fundamentals of ESD Safe Operation of InGaN LEDs

Basic biology of mermaids

Fundamentals of ventilation of radio and PC enclosures

Fundamentals of Explosion Protection

Fundamentals of Computing

Fundamentals of infocommunication technologies. Textbook for universities

Basics of coding

Fundamentals of Power Factor Correction

Fire Protection Fundamentals

Fundamentals of Solar Panel Applications for Industrial Solar Power Plants

Wire connection basics

Fundamentals of Photodiode and Phototransistor Circuit Design

Fundamentals of Networking

Fundamentals of circuitry of liquid crystal displays

Fundamentals of the theory of vortices

Fundamentals of amateur radioteletype technology

Fundamentals of Signal Integrity

Fundamentals of digital technology

Digital Basics for Beginners

Basics of the PureBasic language (abstract)

Osoaviakhimovites, master radio engineering

special land

Special pantry

Features of 110-degree picture tubes

GPS features

Features of car audio systems

Features of autonomous wind turbines

Features of analog and digital channels of color and brightness

Blackfin DSP hardware interface and S1D13806 video controller features

Features of the USB architecture

Features of the USB 2.0 architecture

Architectural Features and Exchange Protocols of the SCSI Interface

Architectural features of PENTIUM 4 computers

Features of the architecture of signal processors

Features of transformerless low-frequency amplifiers on transistors

Features of shooting movies using zoom

Features of the perception of sound information. Refinement of recognition mechanisms

Features of the HF path of the Minsk receiver

Features of the selection and use of resistors in power engineering

Features of the choice of sizes of contact pads for surface mounting

Features of the choice of stabilizer elements

Features of the selection, installation and use of ASKUE

Features of selection, operation and control of the technical condition of surge protection devices

Considerations for Performing Common Administrator Tasks in Windows Server 2003

Features of growing tomato seedlings

Features of growing tomatoes

Features of the output transformer of the lamp UMZCH

Features of headsets with 3,5 mm combo jack

Features of the movement of a drop of molten electrode metal in the welding arc

Features of diagnostics and repair of Sanyo VHR-670/680 VCRs

Features of diagnostics and repair of Electrolux and ZANUSSI washing machines with EWM 2000 control system

Features of SATA hard drives

Windows Server 2003 Boot Features

Features of grounding power lines with self-supporting insulated wires

Screen Grid Grounding Features

Features of recording stereo sound with VCRs and camcorders

Features of starting voltage stabilizers at the OS

Features and options for building a laser-scanner block of laser printers

Features and options for constructing control circuits for fixing units of laser printers

Features and interchangeability of VC BVG

Philips DVDQ50 DVD Player Features and Troubleshooting

Features and parameters of op amps, comparators and amplifiers PGA / SGA manufactured by Microchip

Features and prospects of using the counter-aperture principle of sound excitation

Features and benefits of an automated city lighting control system manufactured by SEA Electronics LLC

Features and principles of operation of hard drive subsystems

Features and ways of improving asynchronous motors with induction rheostats in the phase rotor circuit

Features and development of the USB architecture

Features and repair of Sony HDR-FX1/HVR-Z1 HDV camcorders with 3-matrix CCD image sensors (part 1)

PC keyboard features and repair

Features and repair of TVs on processors of the TMPA88xx family from TOSHIBA

SATA Hard Drive Features and Standards

Features of the PlayStation 2 video game console

Features of manufacturing and tuning the PA at 142-148 MHz

Features of individual reception of TV programs with NICAM stereo sound

Features of individual reception of TV programs with NICAM stereo sound

Features of engineering programming of LG cell phones

AD73311L and DSPADSP-BF53X codec interface features

Considerations for using cables to connect USB devices

Features of using chips - MDA2010 and MDA2090 (3P)

Features of using LM317T chips (KR142EN12A)

Features of using multi-emitter transistors

Features of using mobile terminals in Ukraine

Features of using WaweAce oscilloscopes from LeCroy

Features of using a positive photoresist from Cramolin

Features of the use of relays to ensure safety in railway transport

Features of using UMZCH-IT with dynamic loudspeakers

Features of cable TV

Features of high voltage cable glands

Features of sound channels, incl. stereophonic

Features of high-quality soldering

Features of the components of the new generation of motherboards for personal computers CoreI7 / X58

Features of the design of speakers with dual dynamic heads

Design Features of Highly Sensitive Bass Amplifiers

Design features of generators for wind turbines

Design features of generators for wind turbines Anatoly Zhurenkov

Design features on digital ICs

Design features of printed circuit boards for built-in switching power supplies

Features of the design of mixers on the chip K (P) 590KH8

Design features and use of low power wind turbines

Design features and repair of JVC TVs on the CG chassis. Models: AV-21F3, AV-21FR3, AV-21FMG3B

Features of the design and repair of the Samsung FINO 15SE camera

Features of the design and repair of cameras Skina BF-271

Features of the design and repair of cell phones Motorola C33X series

Design features of high-end floorstanders

Design features of industrial computers

Features of the design, circuitry and repair of VHS-C video cameras

Features of the current control loop with pulse-width control

Features of dome cameras

Features of marking of some models of AMD processors

Features of marking semiconductor zener diodes and transistors

Features of metal detectors of different types

Features of mechanical adjustments of foreign-made typewriters

Intel Sandy Bridge Microarchitecture Features

Features of the microwave oven and control of its microwave radiation

Features of microcontroller architectures with SPI interface

Features of microcontroller solid state relays

Features of microprocessors with Intel Architecture-64 architecture

Features of microphone systems

Features of mobile telecommunications

Features of UMZCH modeling in the Micro-Cap program

Features of mounting chips in BGA, CBGA, CSP packages

Features of mounting microcircuits in M ​​LF packages

Mounting considerations for miniature components

Mounting considerations for AMD processors

Features of mounting microwave connectors for satellite communication devices C and X range

Features of mounting power components in planar PQFN packages

Mounting features of MOS transistors

Features of mounting electronic components using Lead-free technology

Features of establishing receivers on semiconductor triodes

Features of establishing mixers

Peculiarities of National DXing in Summer

Features of the national Internet

Peculiarities of national plateau building, or from P-CAD to P-CAD 2000

Features of national regeneration

Features of national certification of power supplies for LEDs

Features of the new QPI system bus for multi-core Core i7 processors (Nehalem) External signals of Core i7 processors

Features of new AMD processors with K8L architecture

Features of ensuring electrical and fire safety with the help of RCD

Features of servicing OKI LED printers

Features of optimizing the heterodyne voltage of double balanced mixers

Features of organizing output to laser printers

Features of the organization of output to printers. Page description languages

Features of the organization of file systems in Windows Server 2003

Features of the organization of file systems in Linux OS

Features of Linux OS and tricky button for Linux computer

Features of lighting premises

Features of mastering the technology of surface mounting of components on boards when assembling electronic equipment

Features of domestic power networks

Features of DDR/DDR2 SDRAM

DDR, DDR-II, DDR-III memory features

Features of the fleet of Second hand TVs in Russia

Features of dubbing from DVD and digital video cassettes to VCRs. Modern video players from MATSUSHITA (Panasonic)

Features of the transfer of molten electrode metal by a welding arc

Features of the transition from the AT89C55 microcontroller to the AT89C55WD microcontroller from Atmel

Features of the power supply of filament lamps 1B1P and 1B2P

Features of improving the quality of setting the white balance and color range of the kinescope

Features of the selection and repair of network adapters for cordless phones

Features of the input-output ports of the ATxmega microcontroller and their configuration using BASCOM AVR

Features of building a UPS

Features of building ballasts for high pressure lamps (HID Lamp ballasts)

Features of the construction and development prospects of the memory subsystem of processors of the Sandy Bridge architecture

Features of the construction and repair of switching power supplies for Panasonic VCRs

Features of building and repairing switching power supplies for VCRs and video players JVC and Philips

Features of building intelligent graphics adapters

Features of building UMZCH classes G, super-G from Philips and power supplies for them

Features of building digital cameras

Features of the construction of electronic control circuits for laser printers, copiers, MFPs

Features of pre-terminal and output stages of horizontal and vertical scanning

Features of converting a binary code of a number into a binary-decimal code using the left shift method

Features of receiving television programs with NICAM stereo sound outside the city

Features of the use of GSM-modules and wireless processors Sierra Wireless

Features of the use of IGBT transistors

Features of using the TDA3810 audio processor

Features of the use of bimorph piezoelectric elements

Features of the use of bipolar transistors with an insulated gate

Features of the use of varicaps

Features of the use of varistors

Features of the use of decorative plastic

Features of the use of MOSFET and IGBT drivers

Features of the use of combined humidity-temperature meters

Features of the use of modems at the present stage of using the Internet

Features of the use of bridge measurement circuits

Features of the use of oxide capacitors in microprocessor power circuits

Features of the use of operational amplifiers

Features of the use of field GaAs transistors in the microwave range

Features of the use of semiconductor devices

Features of the use of precision operational amplifiers

Features of the use of resistors in converter technology

Features of the use of triacs in the field of low load currents

Features of the use of the RDS system in broadcasting

Features of the use of amplifiers with a supply voltage of 1.8 V

Features of the use of SAW filters

Features of the use of electrolytic capacitors

Features of the QSO

Features of programming non-volatile memory microcircuits with the universal programmer Master KIT NM9215

Features of programming the EEPROM chip of electronic controllers of Ariston and INDESIT washing machines

Features of programming the portable radio station Vector VT-44H

Features of programming modern phones

Features of programming cell phones Siemens C62

Features of designing attenuators KB equipment

Crossover Design Features for High Quality Speakers

Design features of printed circuit boards for high-frequency logic ICs

Features of designing power rectifiers as direct current sources for thyristor high-frequency converters

ADSP-2153x (BlackFin) processor features

Features of STM32L0 operation in low voltage modes

Features of the bass speaker in the car

Features of work of a climber on overhead power lines

Features of the operation of a high-frequency power transformer in a series resonant inverter circuit

Features of the speaker head in acoustic design

Features of the operation of inductive elements in single-cycle converters

Features of the power supply module MP-403

Features of the operation of low-frequency diplexers B

Features of the work of field-effect transistors in RF amplifiers of transceivers

Features of working with motion sensors

Features of the radio channel of a modern TV

Features of disassembly and repair of Sony camcorders with mechanism B

Reamer Features

Features of the development of systems using PCl Express buses

Features of the development of transceivers for telephone radio extenders of the 300 MHz range

Features of calculation and design of universal pulse generators for testing varistors

Features of the calculation of inductors

Features of adjustment and repair of the Sokol 54Ts6155 TV, chassis A-200

Adjustment Features for Stereo VCRs

Features of repairing power supplies for European-made Second hand TVs

Features of repair and modernization of the SUNWA YX-360TRN-A tester

Features of repair and adjustment of power supplies B5-46 - B5-50

Features of repair of inverter welding machines

Features of repairing power supplies for Panasonic NV-F65/FS88/FS200/AG-5700 VCRs

Features of repair of dot matrix printers OKI Microline 320FB

Samsung SGH-N620 mobile phone repair features

Features of the repair of bathroom faucets

Features of the repair of modern tube amplifiers

Features of repair of Nokia 6610/7210 cell phones

Repair features of Sharp 14B-SC/14D-SC/20B-SC TVs

Features of European second-hand TV repair

Features of repairing printed circuit televisions

Peculiarities of repairing CD drive units

Features of repair of units of radio-electronic equipment on MOS-transistors

Repair Features of WS-70 Amplifiers

Features of repairing watches with an LCD display on Toyota cars

Features of electronic watch repair

Features of reforms in the Silver Age

Features of manual soldering with lead-free solders

Features of the AC welding arc

Features of welding arc processes

Features of welding inverters

Features of service maintenance of washing machines Ariston

Features of service maintenance of Ariston washing machines equipped with the EVO-II control system

Service features of ASKO top-loading washing machines

Features of service maintenance of washing machines of LG Intellowasher machines

Features of the synthesis of circuits of barrier quartz self-oscillators

Features of railway automation systems

Features of Core i7/X58 based systems

Features of cellular communication systems of the second and third generation

Features of the remote control system SDU-5

Features of the Bluetooth communication system

Features of modern video equipment with stereo sound. Extending the Life of Panasonic VCRs and Video Players

Features of modern and advanced video technology

Features of modern IP video servers

Features of modern acoustic systems

Features of modern audio and video cables

Features of modern hard drives

Features of modern multimeters for repair and adjustment work

Features of modern security alarm systems

Cellular features

Features of Sony stereo TVs on the FE-2 chassis. service mode and self-diagnosis

Features of the construction of overhead power lines in settlements and in special zones

Features of the structures of the NTFS file system on hard drives

Features of the Red Hat Linux Directory Structure

Structural features of the Ext2/Ext3 file system

Features of the structure of file systems compiled on the basis of Red Hat Linux

Features of schemes and service modes of television chassis L01.1 and L01.2 from PHILIPS

Features of the circuitry of the XEROX P8EX printer power supply (schematic diagram, description)

Features of circuitry and repair

Features of the zoom drive circuitry, aperture and focusing of video cameras

Features of the circuitry of amplifiers of video head units

Features of the scheme and service modes of the TV chassis S63A from Samsung

Features of the TV chassis 11AK36 from VESTEL

Features of the 3S10 TV Chassis

Features of the Daewoo CP-785 television chassis

Features of LG TV Chassis MC-059C

Features of the television chassis CP-385

Features of Panasonic TX21PS70TQ TV (MX-5ZA Chassis)

Features of Philips TVs on the L01.1 chassis with a screen size of more than 21 inches

Features of TVs on the chassis СР-385 and СР-785

Features of Sony TVs on the FE-1 chassis: circuit, self-diagnosis and service mode

Features of television reception with stereo sound

Features of phones with AON Rus

Features of High-End Audio Technology

Features of copying technologies on a risograph

Features of LED Printer Technology

HyperTransport bus technology features

Features of the topology and parameters of reference voltage sources

Features of three-program broadcasting

Features of trinistor regulators

Features of the Ukrainian DGU market

Features of ultrasonic cleaning of printed circuit assemblies in the production of electronic equipment

Features of UMZCH for portable electronic equipment

Features of UMZCH with high output impedance

Features of UMZCH with current feedback and with an output stage on bipolar or field-effect transistors

Features of the universal programmer NM9215 from Master KIT for programming non-volatile memory chips

Features of data flow control in interfaces of the RS family

Red Hat file system management considerations

Considerations for installing Windows Server 2003

Features of installing imported kinescopes with a diagonal of 67 cm and a beam deflection angle of 0 °

Features of installing super-bright LEDs in table lamps

Features of the device and adjustment of the music center Pioneer XS-550

Features of the device and repair of the LCD TV Panasonic TX-LR32E5

Features of the device and repair of the LCD TV Telefunken TF-LED32S12T2

Features of the formation of diffraction spectra of the near zone when probing extended holes

Features of functioning of nodes of personal computers operating at clock frequencies above 350 MHz

Features of digital nodes of liquid crystal TVs

Features of cleaning the laser heads of the CD player

Features of the PCI-Express 2.0 bus

Features of the PCI-X bus

Features of broadband transformers

Features of shielding metal housings with contact springs for EMC compliance

Features of operation and maintenance of sewing machines at home

Features of operation and repair of cordless phone Quartet 2015

Features of operation and repair of wearable VHF radio stations VEBR and TAIS

Features of the operation of MLT resistors

Features of the operation of aircraft radio stations

Features of the operation of stationary CB radio stations

Features of the operation of ozone emitting devices

Features of operation, repair and adaptation of video recording equipment

Features of the electromagnetic starter

Features of the electrical equipment of Ford EcoSport cars. The device and principle of operation of individual nodes

Features of the electrical equipment and engine management system of the Fiat Albea car

Features of electrical equipment and ECM of the car Lada Granta

Features of energy consumption of some types of welding transformers

Features of the ECM for DAEWOO MATIZ cars manufactured in 2008-2012 with EURO-3 and EURO-4 engines

Features of the ECM and other components of the electrical equipment of the Haval H6 car

Features, some malfunctions and upgrades of the SUNWA YX-360TRN-A tester

Troubleshooting feature of kinescope TVs

Special caddisflies

VIPs

Special focus on primary organizations

Dissenting opinion on SMD mounting

Special offer (story)

Special juice and life force

Special chemical look

Smallpox is back?

Let's leave a memory for our children

It remains to hang on a sprig with a peg

Ostankino television tower - yesterday, today, tomorrow

Will panspermia stop housewives from colonizing Mars?

Stop, I'll get off!

Stop the train with air

Freezing the image in the Sega console

Leftovers are not sweet

Ostafyevo is memorable for my heart

Glazing of balconies and loggias

door glazing

Osteoporosis

Osteoporosis: fragility is no longer in fashion

Beware of Counterfeit Batteries

Be careful with aspirin!

Beware - heat!

Beware of the calculator! Findward

Beware of drugs!

Beware - pseudoscience!

Caution - maximum!

Caution - peaceful atom!

Caution - glass ceramics

Beware the Predator!

Beware of energy-saving light bulbs!

Caution Basic Micron

Carefully! Derated!

Carefully! Lamp! Back to printed

Carefully! Electricity

Carefully! Electricity!

Beware marriage!

Beware of household chemicals! Treatment of acute poisoning

Be careful, they are listening!

Beware the virus!

Watch out fat!

Watch out, we're being watched

Beware the bridge!

Beware the piercing!

Caution, turn!

Beware of fires

Beware of energy-saving light bulbs!

Carefully. Megatsunami!

Caution: Headphones!

Caution: fungal infection

Caution: mushrooms!

Caution: columns

Caution: scammers

Caution: lemons on the road!

Caution: magnetic field

Caution: medical devices for individual use!

Caution: thermonuclear ... comets!

Caution: ultraviolet

Island in the center of Moscow

Vaal Island

island of volcanoes

Mystery Island

Mammoth Island in the Great Plains

Island at the end of the world

Parrot Island (story)

island of five colors

Rodsher Island - how it was

Russian island near the edge of Russia

Island of Stability outside the periodic table

Cheloane Island - Kyiv

Islands in the ocean

Islands in an ocean of fire

Islands of ... plastic

mammoth islands

Islands at sunrise

Islands on an island

treasure islands

Islands of endogenous heat

An island of Crimean Tatar antiquity

Island in the kitchen (worktop with shelves)

moor frog

Witty stupidity of an oxymoron

witty system

Acute poisoning

Sharp, durable, not steel

condemned idea

Implementation of elementary logical operations in analog form

A dream come true

Implemented plan

Oscilloscope

Oscilloscope is your assistant

Oscilloscope - the eye of a radio amateur in the circuit

Oscilloscope + table = frequency

Oscilloscope AKIP-4126E - less is more!

Oscilloscope in your pocket

Oscilloscope in amateur practice

Oscilloscope in educational work

Oscilloscope for lecture demonstrations

Oscilloscope for radio amateurs OML-2-76

An oscilloscope from a PC is easy

Oscilloscope LO-70

Oscilloscope with 18 transistors

Oscilloscope based on the XI-7 instrument

Oscilloscope on a microcontroller

Three transistor oscilloscope

Oscilloscope HM1802 from HAMEG

LeCroy oscilloscope with 100 GHz bandwidth

Ham radio oscilloscope

Tektronix DPO70000SX ATI 70 GHz Real Time Oscilloscope

Oscilloscope S1-118A. Nuances of practical repair

Oscilloscope S1-65

Oscilloscope S1-65. Repair

Oscilloscope S1-65. The device and operation of the components

Oscilloscope S1-68. Device, principle of operation and characteristic malfunctions

Oscilloscope S1-72

Oscilloscope S1-73. Device and principle of operation

Oscilloscope S1-73. Typical malfunctions and methods for their elimination

Oscilloscope S1-94. Device and repair

Oscilloscope with sweep generator

Interchangeable Oscilloscope

Oscilloscope Cyclops

Digital storage oscilloscope S8-40

Oscilloscope for PC

Oscilloscope attachment to the receiver - a panoramic indicator of the VHF band

Oscilloscope for TV

Oscilloscope measurements

Oscilloscope measurements of signal parameters

TriMode oscilloscope probes up to 20 GHz bandwidth

Oscilloscope tubes

Oscilloscope semiconductor analyzer

Oscilloscope indicator

Oscillographic method for calibrating the scales of a low-frequency generator

Oscilloscope probe

Oscillography of complex signals

Oscilloscope-multimeter OMTs-20

Oscilloscope-multimeter С1-112

Velleman Instruments PCS500 PC oscilloscope

Oscilloscopes 2011 - new trends

DPO7000 oscilloscopes take complex signal analysis to the next level

DPO7000 SERIES Oscilloscopes Help Design Serial Buses

Infiniium 90000 X-Series Oscilloscopes - Fastest 32 GHz Real Time Oscilloscopes

Oscilloscopes TDS5000

Tektronix Entry-Level TBS1000 Series Oscilloscopes

LeCroy WaveJet 300 Oscilloscopes

Oscilloscopes from GOOD WILL Instrument Co.Ltd

Oscilloscopes from Metex Instruments

Pico Technology Oscilloscopes

Infiniium 90000A Series Oscilloscopes PCI-SIG(r) Approved for PCI Express(r) 2.0 Compliance Testing

TDS 3000 Series Oscilloscopes

TDS 7000 Series Oscilloscopes with Digital Phosphor Technology

WaveMaster 8600A XXL Series Oscilloscopes

WavePro Series Oscilloscopes

Tektronix 6 Series Mixed Signal Oscilloscopes

TEKTRONIX oscilloscopes (USA)

Oscilloscopes: analog or digital?

Oscilloscopes: analog, digital or phosphor?

Oscilloscopes-multimeters

Oscilloscope teaches you to speak

Centaur Oscillators

Wasps in the houses of people and birds

Wasps against ticks

Octopus is a master of disguise

Octopuses inspire scientists

Octopuses, squids and their relatives

Octopuses: intelligent, cephalopods

Tangible DOS

Touch microscopes

Touching beam. XNUMXD scanners easily copy the world around them

From 1000W to 3000W: MEAN WELL High Power Power Modules

From 20 to 75 watts: Powerful DC/DC PEAKs for PCBs

From the 21st to the 35th. 60th Anniversary of the Lukhovitsky Aircraft Plant

From 5000 hours: long life aluminum electrolytic capacitors

From iPod to iPhone

From Pentium 4 Hyper Threading to Multicore Processors

From RA58 to UT7UZA

From autogyro to Omega

From American to Pyramid

From amines to proteins

From AMO to ZIS

From Analog to Digital: An Overview of Video Surveillance Solutions and Features (Texas Instruments)

From analog cellular to digital

From artel to empire: how Chinese companies rise

From arshin and pood to SI

From auxins to coupons

From butterfly to airplane. Wing evolution

From Bearn to Clemenceau

From harmless herpes to viral stomatitis

From biomass to petrochemicals

From good wishes to strict laws

From side lighting to street lighting: new LED drivers from ON SEMICONDUCTOR

From a brigantine to a nuclear-powered ship

From the Intellectual Property Office

From helicopter to rotorcraft

From spring to spring

From spring to summer

From all TV satellites at the same time

From galaxies to elementary particles

From Gatchina to Lipetsk. 100 years of Russian aviation

From genetic engineering to love: what biologists did in 2017

From the heroes of yesteryear. Search

From gloria to melt water, or why ice is slippery

From burning grass to burning forest

From the borders of the Universe to Tartarus

From the border to Moscow

From lightning detector to radar

From Groningen to Lausanne

From the in-line engine to the axial engine

From mover to engine one step

two to five

There were only two letters from grandfather

From depression to aggression

From detector receiver to radio node

From scarcity to abundance (make a mormyshka)

From trembling in the hands

I'm dying of thirst over a stream, or New in the theory of evolution

From home to aircraft: TE CONNECTIVITY SNR compact relays

From the feast of the second century

From the stars to the Romans. Monologues of the 1998 Demidov Prize winners

From star to star

From green cloth to blue screen

From earthly harmonics to the harmony of the universe

From willow bark to the Nobel Prize

From first name to last name

From intuition to calculation

From the origins of Soviet radio engineering to the most powerful synchrophasotron in the world

For every disease there is a cure

What legacy are we giving up?

From Cameralistics to Software Technology

From camera obscura to telecentric lens

From Cantata to SAE

From a drop to an earthquake

From Carl Linnaeus to the multi-volume book of Russian florists

From potato poverty to computer abundance

From rubber to rubber

From kefir to edible packaging

From kinescope to LCD, plasma, OLED and FED

From Cell Biology to Cell Therapy

From book wheel to book reader. An Illustrated History of Reading Devices

Children get smarter from computer games

Fully

From edge to edge (built-in furniture wall)

From rabbit to man

From cooking to culinary chemistry

From Leningrad to Berlin

From Petals... to Petals, or the Evolution of Prosthetic Heart Valves

From personal antenna to large cable networks

Loschmidt to Kelvin

Love grows nerves

From hobby to profession

From Moorish ornaments to fractals

From magnetic pad to photon trap

From layout to board

From a small shelf to a large rack

From baby to monster

From medicine for all to medicine for everyone

From meter to parsec

From a mechanical drive in information processing and storage systems to flash memory

From a dream

From microcomputer to drive - integrated solutions for motor drives

From microphone to antenna

From target to scout

From molecules to galaxies

From mono to stereo. A Brief History of Sound Reproduction

From Moscow to the very outskirts of the universe

From labor motivation to the development of society

From mouse to elephant

Arsenic will not harm

From nanotechnology to nanoindustry

From science to life

From our car to your yard (moulds for casting blocks from old battery cases)

From Neskuchny Garden to the Moscow City Business Center through Europe Square

From nim to supernym (puzzle)

From new physics to new biology

Zero to decallion

From monkey to man

From learning neural networks to smart robots

From oz to it: how to help the spine

From the ring road - to the central ring

From October to today

From the Air Department

From discovery to production. The Drama of Magnetic Resonance

From Pania to Sarvil

From Paris to Nakhodka

From Paris to Chelyabinsk

From the first test of strength - to the European Championship!

From that first tent

From transmitter to receiving antenna

From changing the places of the terms

From perestroika No. 1 - to perestroika No. 2 (the Russian soul remains a mystery behind seven seals)

From a bad seed do not expect a good tribe

From Underwater Frogs to Dinosaur Submarines

From generation to generation. (Radio relay DOSAAF-50)

From generation to generation

From Popov to the present day

From college to graduation

From funny fire to fireworks

From direct gain receiver to superheterodyne

The arc clears impurities

From burnt pants to saccharine

From simple to complex

From simple to complex. detector receiver

Hand washing helps with colds

From Simson's straight line to the Droz-Farney theorem

From Put Thump to Munin Thump

From span to universe

From radiosonde to Meteor

From Radiolina to Orbita

From Radiolina to TV

From radar to oven

From radio amateur to military radio operator

From A.S. Popov's radio receiver to modern radio electronics

From talk to action

Camel cures cancer

From Dawn to DOSAAF

From the editorial board

From Christmas tree to Christmas card

From Sanskrit to Hebrew

From diabetes to AIDS

From Altai system to MRT1327

From Sun to Earth

From the sun, from the wind (collapsible awning)

From plow to nuclear baton

From Standard to Powerful: New IR Transistor Drivers

From station to metropolis

From start to takeoff

Get old from stress

From scheme to design, or taming a simple receiver on a range of 2 m

From the telegraph to the Internet. The history of the formation of digital telecommunications

From Galileo's thermoscope to optical fiber, or what and how temperature is measured

From dew point to boiling point

From transistor to artificial intelligence?

From triangle to centrifuge (puzzle)

From a three-pound mortar to a forty-five caliber

From triode to pentode and beam tetrode

From fertilizers to laser single crystals. The thorny path of purity

From a smile it will become brighter for everyone

From unique developments to project implementation

From equation to system

From the Gumeli amplifier to the Alexander amplifier

From amplifier to loudspeaker

From torches to LEDs

From fantasy to reality

From fiction to reality - one step

From Fet to Bor

From phonoautograph to laser player

From phono to videodisc

From phonograph to videotape

From Ford to UAZ

From the hozblok to the dacha

From the Central Committee of the All-Union Communist Party (Bolsheviks) and the Council of Ministers of the USSR

From the Central Committee of the Communist Party of the Soviet Union, the Council of Ministers of the USSR and the Presidium of the Supreme Soviet of the USSR

From TsKB-17 - to Vega

What determines the communication range

What determines the range of CB radio

What are gems treated for?

From man-fish to cosmites

From four dimensions to M-theory

From school to academy

From a school task to a problem. (Solutions of problems M399 and M404)

Aphids save the city from ecological catastrophe

From the elixir of life to the symbol of evil

From eniac to laptop

From efficiency to danger - one step

From poison to fertilizer

Campfire reflection

Choice for a fool

Garbage on the road

brave radio operator

Blade for caterpillar

Shall we have a chrysanthemum?

Rejected Bridegroom (Puzzle)

Rejected prophetic pupils

Hole - lens

Large diameter hole - wooden plank and two nails

Hole in the ceramic frame

Hole in a round bar

Hole in sheet, rod and tube

hole in glass

Holes - by level (Jig for precise drilling of holes)

Screwdriver instead of a soldering iron

Screwdriver by hand

Screwdriver-spring extractor

Clip-on screwdrivers

Answer in trigonometric equation

Reply from Rohm

Answer to the all-rounder

Master's answer

Current transformer coupler DL4JAL for measuring RF signals up to 2 kW

Counter strike on states

Responsible courier. Chiral Explosions

Answers and solutions. Arba, Berba, Pavs

Answers and solutions. Literary arithmetic

Answers and solutions. In the footsteps of the Babylonians

Answers to the introductory task of 1997 of the biological department of the VZMSh open lyceum

Answers to the quiz Microcontrollers and USB

Answers to the quiz Microcontrollers and the I2C interface

Answers to the quiz Microcontrollers and touch sensors

Answers to the quiz Microcontrollers and LCD modules

Answers to the quiz Microcontrollers and LEDs

Answers to questions

Answers to questions of beginner telegraph operators. Part 1

Answers to questions of beginner telegraph operators. Part 2

Answers to questions on the article High rectified current control unit

Answers to questions from users of AON-servers

Answers to tasks

Answers to problems interesting and useful in the 1930s

Answers to naive, reasonable why. Why is it always 10:09 on the clock?

Frequently Asked Questions about Passive Audio Components

Lawyer Answers

Answers, answers

Answering questions from readers

We answer letters

We answer the call of Leningraders

Responding to our readers

Answering the call of the party

I will always answer

Guess the birthday

Guess the word

Echoes of an ancient earthquake

Give voice to the machine. Voices from the urn

Give zero (turning on a three-phase 380 V motor into a single-phase 220 V network)

Leave the routine work to the computer

Give the order for the life or death of the planet? How it was then

Give away the moorings!

Department for protection against hackers

Department of Planning and Economic Cybernetics, Faculty of Economics, Moscow State University

Spray paint finish

Finish without dust and dirt

Finishing with decorative nails

Finishing of wooden products

Finishing the office with wood panels, or How to save 300 rubles

cork furniture finishing

Furniture finishing with Japanese lacquer

Finishing window frames with plastic

Surface finishing, recess punching, countersinking, round hole jig

antique finish

Leather trim frame

metal frame finish

Tablecloth finishing

Finishing facades with tiles

Finishing boxes for radios

Finishing the house

Separate episodes of the history of amateur radio

Recreation and science

Rest under the awning

Vacation with friends (puzzle)

Rest in comfort (garden furniture set)

Rest in comfort (chaise lounge)

Hotels with a twist

Electricity-free hotel, floating island and solar probe test

Father and son

Father and sons

Dunno's father knew a lot

Father of native media

Father of Russian Marxism

Father's house of Academician Pavlov

Patriotic army

Domestic radio industry in 1951

Domestic radio intelligence began like this

The domestic education system and the needs of the IT industry

Domestic high-end stereo system from SITRONICS

Domestic nuclear instrumentation: history and modernity

Domestic car starter batteries

Domestic base matrix crystals

Domestic contactless identifiers with a radio channel frequency of 13,56 MHz

Domestic high-speed op amps with feedback on current and voltage

domestic cherry plums

Domestic rectifier diodes

Domestic reed switches

Domestic hermetic compressors for household refrigerators

Domestic DMOS transistors

Domestic liquid crystal indicators TIC9162 with COG technology drivers

Domestic Instruments for Surgery of the Future

Domestic integral stabilizers

Domestic standard logic ICs

Domestic integrated circuits of standard logic. Series 5554 and 5514

Domestic research on Venus

Domestic microcircuits 1874BE16T / 86T for motor control

Domestic microcircuits for electronic equipment

Domestic modules based on Piccolo and Delfino microcontrollers from Texas Instruments

Domestic high-power LEDs EMITTER / STAR

Domestic operational amplifiers and their analogues

Domestic field-effect transistors of the MOS structure

Domestic semiconductor devices and foreign analogues

Domestic transceivers of CAN and LIN interfaces

Domestic piezoceramic bells

Domestic super-bright LEDs and lamps

Domestic high-brightness LEDs

Domestic electric juicers. Device and repair

domestic product

Fatherland of the slain Abel

Rejection of the future

Refusal of Ilyich's light bulb as a step towards energy independence!

Folding hanger

Folding sharpener

Folding desktop

Folding table

Folding table and bench

Respond, who knew the righteous of our time

The fellow soldiers responded. Feat on the Danube

Deflection of particles and light rays by a gravitational field

Deviation. Story

Deflecting system for amateur TV

Deflecting systems and output transformers for horizontal and vertical scanning of TVs

Mains disconnect

Shutting off the battery when discharging

Disabling the on-board network

Turning off the speakers in the tape recorder

Muting audio sources on a phone call

Disabling the stabilizer

Turning off the TV at the end of TV shows

Turning off the electric motor in the tape recorder

Straight talk about QSL

Discover the trader in you

open your comet

Open the book

Opening a new museum

Apartment key opener

Opening the door (story)

Discoverers of Antarctica

Opened the faucet - water came out

Russian cloud for electronics design opened

Training class for heating specialists opened with the assistance of Ariston

Rhine-Main-Danube Canal opened

A new type of animal has been discovered

New type of black holes discovered

Paid consultation is open

open showcase

open science

Open circuit

Open terrace

exposed wiring

Opening of the LG Air Conditioning Academy in Russia

Opening the amplitude diode detector

Discovery of the Universe

Discovery of the year: neutrinos seem to have mass

The discovery of a group of scientists at Yale University will allow future silicon microchips to use light control instead of key control by electrical signals.

Opening the tailgate with one gesture

The discovery of ionizing radiation from cavitation-vortex heat generators is confirmed!

Discovery at the bottom of Baikal

Neutron discovery

Opening of a new service center of Agilent Technologies

Discovery of a new particle

Professor Yamalikh's discovery (story)

Discovery of X-rays

Discovery of Sarah Barabou

Opening of the Agilent Technologies Service Center

Discovery of fullerenes: Kroto's view

Discovery of fullerenes: Smalley's contribution

The discovery of fullerenes: as Robert Curl saw it

Opening of the Central Radio Club

Discovery of Edmond Albius

Opening of the exclusive service center of Samsung Electronics

Opening of an exclusive Samsung service center in St. Petersburg

The opening you are waiting for

The discovery made by pigeons

Discoveries are made on the Internet

Discoveries and fates

Postcards with falling snow

Postcards with movable elements

Homemade postcards

An open letter to the Deputy Minister of Industry and Communications of the USSR comrade. Kozlov

New galaxies discovered

Open practical shelves

OggVorbis open source audio codec by Xiphophorus

Outdoor heated pool

open garage

open hearth

1998 Open Championship

1999 Open Championship (Assignments)

Open Championship 1999. Competition results

2002 Open Puzzle Championship

Open championship of the Volgograd region

Open the gates of the blood-brain barrier

open man

Shall we xerify the document?

Where does atherosclerosis come from?

Where do hormones come from

Where do tasks come from?

Where do clouds come from?

Where do smart kids come from?

Wherever the wind blows

Where do ticks come from in Antarctica?

Where are the chandeliers in the ocean, or Points according to Richter

Where did serfdom come from in Russia?

Where did lead additives come from in fuel?

Where did rock salt come from?

Where did the Roman Empire come from

Where did the God particle come from?

Where did blue eyes come from

Where did equality come from?

Where did the Slavophiles come from

Where did the curb in the Spectrum computer come from

Where did the sparrow come from?

Where did the global economic crisis come from?

Where did he come from?

Where did the slip come from?

Where is the water from?

Where Woland admired Moscow

Where does all the trouble come from?

Where is the dingo from?

Where the woods come from

Where did the Russian detective come from

Where did charity come from in Russia

Where does such a mass of worms come from?

Where does the energy come from?

Where and when did people come to America?

Where does the family of N. S. Khrushchev come from

Where are the emeralds from?

Where did the names of the Sun, Moon and planets come from?

Where are the rings on earth?

Where is the crater from?

Where can I get radio parts from?

Where are the names from?

Where it comes from: The Hound of the Baskervilles

Where Does The Last Name Nifashev Come From?

Where did the living meteorite come from?

Where did the Serpent Gorynych come from?

Where did the stone boats come from?

Where did man come from, the inhabitants of the soil will tell

Where did the names of geometric shapes come from?

Where did the names of the stars and constellations come from?

Where do laptop legs grow from?

Where does the Mauritanian lawn come from?

Where is the fish from?

Where is the rumor from?

Where is the dog from?

Where is your name from?

Where the energy flows from: discovery after discovery

Where is the energy from?

Debugging for PICs... - no problem

Debugging Pic12C508 devices with Pic16F84A

Debugging devices based on microcontrollers

FastAVR development board

Development board for 18-pin PIC microcontrollers

Debug board for GSM modules WS6318

Development board for S7600A

Development board for LPC2148 microcontroller

Development board for MSP430 microcontrollers

Development board for microcontrollers of the AVR family

Debug board or toy? (Terra Electronics)

Microchip Cloud Development Platform enables embedded application developers to quickly explore technologies for exchanging data with cloud services

Debugging and training tools for microcontrollers of the 68NS908 family

Sensor2Go debug kits. Easy device development with sensors

Development boards for STM32F

ADSP-21533 EZ-KIT Lite Debug Kit

Debug module Keil FlashMon51

Debugger for microcontrollers of the HC908 family

Debugger for Radio-86RK

Casting parts

The difference between PRESIDENT CB radios and similar equipment from other companies

Distinctive features of Windows Server 2008

Differences between Intel Architecture-64 processors and X86 family processors

Great initiative

Excellent packaging

Excellence in Radio

Great starts

Great start

Put down your phone!

Canceled tumor

Measure the dose. Dosimeter test

Relative input resistance of the voltmeter

Relativity

Relativity of motion

Relativity outside the theory of relativity

Relationships of segments, areas and volumes

Equivalence relations and set partitions

Displaying eight waveforms on the oscilloscope screen

Information display - novelties in the COMPEL supply line

Take away the iron

Heating and cooking - inherited

Heating and cooking stove

Heating and cooking stove Daria

Heating and cooking with a fireplace insert (stove)

Heating and cooking room with a simple fireplace

Heating and cooking ... partition

Heating season with LG: avoid dangerous dryness!

Heating shield for the Suschevsky furnace

Heating without problems

Heating with yeast

Country house heating

Heating by computers

Heating of a rural house

Street heating

Heating controlled by SMS

The heating is controlled by an automatic

heating a private house

Break off... effortlessly (removing the tire bead from the rim flange)

Take your eyes off your computer!

Steaming furniture (cleaning furniture upholstery from glue)

Molecule fingerprints

DNA leaves fingerprints

Oil fingerprints

Flower prints (story)

Optical photoelectronic devices

Send messages

Rodent repeller

Mosquito Repeller

Mole repeller on an old relay and converter from a car memory

Rat Repeller

Mice repeller

Dog Repeller

Repellent device (from rodents and birds)

bird scaring propeller

Vacation

Holiday d'Artagnan

Vacation on the Central Russian lake Volkota

Vacation with a transceiver

Vacationer

Aether Poisoners

Air Poisoners from the BBC

Lifelong poisoning

Mushroom poisoning

Poisoned planet?

Poisoned Rivers of Brittany

Reflective polarizers

Reflective insulation for windows

reflection on the web

Reflection and refraction

Mirror curves and formula transformations

Reflection from thin cylindrical mirrors

Industry competitions for the best proposals in the field of communications in 1962

Cutting machine

negative feedback

Negative oxygen ions and longevity

Negative positronium ion

cutter

Cut off all unnecessary

Retired Major Bourbonov. History of some aliases

There is nowhere to retreat, behind is the Earth!

Retreat for the soul

Lack of oxygen is bad for teeth

Countdown time using a quartz alarm clock

Drowned Countdown: Blue Wildebeest Crossing the River

Ottyagalovo for cyborgs, or Journey to the world of fantastic cuisine (story)

Waste turns into income!

Waste in ceramics

Waste of all the colors of the rainbow

Construction waste

Waste goes to work

Olive oil waste can harm ecosystems

Cut

Fatherhood affects hormones and the brain

The father of the Young radio amateur is 90 years old!

Fathers and sons (puzzle)

Fathers and sons in physiology clerks

Fathers and sons (puzzle)

Founding Fathers

Desperate puzzles. giant cubes

Desperate puzzles. Blind Rubik's Cube

Desperate Puzzles: Cuboid 2 x 3 x 3

Why does sea buckthorn hurt

Why mammoths became extinct

Why a dozen today is better than yesterday. Conversation with the President General Director of JSC AVTOVAZ V. Vilchik

Why space objects sometimes die when they enter the Earth's atmosphere

Why does the river meander

Why is beer foamy?

Why is the scorpion venomous

Why is the grass green?

Why did Alexander the Great die?

Why is the ozone layer thinning?

Report (story)

fly catch report

Report of the head of the radio club at a meeting of the republican organizing committee of DOSAAF

Report of young radio amateurs. (29th All-Union)

Reporting and election conference of the League of Radio Amateurs of Ukraine

Reporting and election conference LRU

LRU reporting and election conference, UDXC news

Reporting and election conference of the SRR

Reporting and Electoral Congress of the BFRRD

Reports and elections of the governing bodies of DOSAAF

Faithful sons of the fatherland

Azerbaijani designers report

Finding a short circuit in a cable

Finding faults on underground cables with a PVC sheath

The AD8599 op-amp has ultra-low distortion and noise and is specifically designed for professional audio preamplifiers.

AD8628/29/30 op-amp with no more than 1 µV offset without external adjustment

AD8655 op amp for mic preamps, phone drivers, vinyl equalizers, filters, and other audio applications

Analog Devices ADA4096-2 op amp with hyperRail-to-Rail inputs

Analog Devices ADR821/ADR827 op amp with built-in voltage references

Linear Technology LT6016/17 op amp is operable at input voltages higher than the supply voltage by 26 V

Maxim MAX9613 op-amp with custom pMOS differential front-end architecture with optional built-in voltage converter and auto-zero calibration

Microchip MCP6241 op amp with extended operating temperature up to +125 °C

National Semiconductor LM4562 op amp for ultra high fidelity audio applications

National Semiconductor LMC6001 ultra-low input current op amp

511µA National Semiconductor LPV1 op amp

Rohm Semiconductor BA2904YF and BA2902YF op amps remain operational up to a common-mode voltage at the inputs, which is 0,3 V lower than ground (with unipolar power supply)

Texas Instruments OPA827 op amp with only 600% harmonic distortion into a 0,000045 ohm load

Op-amps in power amplifiers

Op-amp for battery-powered equipment

Op-amp for controlling photodiodes

OU K140UD18 in amateur radio designs

New EMI Hardened Operational Amplifiers from National Semiconductor LMV861/LMV862 and LMV831/LMV832/LMV834 series with high EMI rejection ratio

Op-amp OPA369 from Texas Instruments

Burr-Brown OPA567 op amp with 2 A output current

Low consumption op amp, rail-to-rail inlet and outlet

Op-amp with voltage and current feedback

floating supply op amp

'Oumuamua, or 1I/2017 U1: the first object that arrived from another star

Offer of Prema Semiconductor

Angler's office

Office... in the corridor (computer corner in the apartment)

Office UZCH

Office windows inextinguishable light: power sources for luminaires used in Armstrong type ceilings

WiMAX-2 Specification Officially Approved - IEEE 802.16m

Ophonarisms from the tutorial on PIC microcontrollers (April abstracts)

Registration of the Eurasian application

Making an indicator lamp

Button Switch Design

Porch decoration

Design of the front panels of acoustic units

Switch design

Making a fireplace mantel

Oh that Aristotle!

Oh, red summer! I would love you if it wasn't for the heat

Oh, this is not an easy job - to roll all-terrain vehicles through the swamps

Oh those kids! (puzzle)

Oh, these witnesses (puzzle)

Oh, that aspirin!

oh that spam

Cooler for... fridge

Beverage cooler

Refrigerate but do not freeze

Cooling the graphics card

Water cooling in an aquarium

Cooling on demand

Processor cooling

Power amplifier tube cooling

Light cooling

TV cooling

Hunting in the night sky

Hunting in the Vladimir forests

Pearl King Hunt

Hunting for mosquitoes with a plastic cover

Hunting for lightning

Planet Hunt

Hunting for dust

Hunt for Russian gold

The hunt for sterile neutrinos

Particle Hunt - First Successes

Hunting for miracles

Hunt for MASTER

Hunting for asteroids

Vampire hunting. mosquitoes

Hunt for papilloma virus

Hunt for gravitational waves

Hunt for the ninth planet

Hunting for the golden snake

Hunting for big fish

fox hunting

Fox hunting - all year round

Fox hunting worldwide

Fox hunting started 50 years ago

Fox hunting with map and compass

Fox hunting becomes popular

Red Devil Hunt

Hunting for CO2

tornado hunting

Hunting for black holes

Hunting for the game

Hunting with a camera

Hunting with fullerene for the papillomavirus

Hunter in ambush: getting acquainted with the Mi-28N attack helicopter

DX Hunter - performance improvement

bug hunter

eclipse hunter

Celestial electricity hunter

shark hunter

Boojum Hunter

The hunters are on their way

iceberg hunters

Earthquake Hunters

comet hunters

Submarine Hunters

Ghostbusters

Fox hunters - in the final. (VI Spartakiad of the Peoples of the USSR)

Fox hunters! On your marks!

hunting cows

Okhotsk

Oh oh! What is causing the commotion in the world of weights and measures?

Security - reliable and simple (relay security devices)

Protection of overhead power lines from damage in mountainous wooded areas

Entrance door security

Bicycle guard

Front door security

Protection of power lines passing through the territory occupied by plantations

Relay security

Protection of industrial (intellectual) property in Japan

Protection of the environment

Security over the radio

Compound security

Security with a radio station

Cell phone security

Security GSM alarm

Security GSM-alarm system

Security GSM-alarm system for home, cottage, garage

Security car radio alarm

Security piezo siren

Security radio alarm

Охранная сигнализация

Car security alarm

Security alarm for yard utility rooms

Security alarm for your home

Security alarm for cottages and greenhouses

Security alarm for home and shop

Motorcycle burglar alarm

Burglar alarm for laptop

Security alarm for tourist tent

Security alarm for an attached building

Warehouse burglar alarm

Security alarm system based on Len-V radio station

Security alarm based on motion sensor

Cell phone based burglar alarm

Burglar alarm on clock chip

Security alarm by phone

Burglar alarm with cell phone output

Burglar alarm with Hall sensor

Burglar alarm with infrared sensor

Burglar alarm with button code

Burglar alarm with code switch

Security alarm with cell phone

Burglar alarm with radio control

Security alarm of the study room

Cell phone burglar alarm

Security system

Security system - telephone

Security system ALARMPIC

Security video surveillance system for $60

Security system for VAZ-2108

Security system for a holiday village or garage cooperative

Security system for home

Security system for a car

Security system from a computer and a mouse

Security system from a laser pointer

Security system of apartments

Infrared security system

Infrared security system

Security system on infrared rays (Master KIT)

Infrared security system

Security system on the PIC16C57 microcontroller

Mobile phone based security system

Security system for five tracking zones

Security system of several objects

Security system pseudo iButton - a pill from intruders

Security system using a mobile phone

Security system with cellular alert

Security system with radio notification

Security system with digital indication

Security system with sound notification on the PIC16C505 microcontroller

Security system with water pipe communication

skyscraper guards

Security intercom

Security with cell

security television

security device

Security device of the car with disconnection of mass

Car security device

Security device for a car with disconnection of mass

Security device to protect children from robbery

Security device for an apartment

Security device for apartments, houses and individual buildings

Motorcycle security device

Security device for a motorcycle on digital circuits

Security device for the garden plot

Warehouse security device

Security device Modus-NR

Security device on 8-bit AVR microcontrollers

Security device on PIC16F84 for alarm/emergency call based on SMS

Security device on the subscriber loudspeaker

Wireless bell security device

Security device based on simulator

Security device based on a laser pointer

Radio based security device

Radio based security device

Security device based on a cell phone and wireless sensors

IR security device

Security device on microcontrollers

Security device on the ATtiny2313 microcontroller

Chip security device

Cell phone based security device

Cell phone security device

Security device Hands off!

Security device with automatic on/off

Security device with IR control

Security device with loop status indication

Security device using a radio channel

Security device with key-resistor

Security device with magnetic key

Security device with mobile phone

Security device with independent power supply

Security device with notification over a cellular network

Security device with a radio channel in the FM range

Security device with key management - iButton tablets

Security device with electronic key

Security device with audible alarm

Security device electronic dog

Security device, in which a piezoceramic emitter serves as a vibration sensor

Security and repellent device for a country house

Security intercom

Fire and security GSM alarm for a garage or a small country house

Security and fire alarm

Security sensor alarm

Security signal device

Security alarm can be improved

Self-powered security alarms

Security systems for cottages and houses

Security systems and secure passwords

Security devices

Security devices on CMOS chips

Security devices with emitter SP-1

Security sensor for garage

Security sensor on the gas cap

Security IR sensor

Security hub on controller

Security radio transmitter

security alarm

Burglar alarm on remote switches

IR burglar alarm

Security signaling device on the PIC16F628A microcontroller

Mobile phone security alarm

Burglar alarm with accelerator

Intruder alarm with IR beam

Burglar signaling device using the GSM channel

Security alarm with cell phone

Security timer

Security timer for phones with caller ID

New generation security loop

Security loop with piezo siren

Guards require soil

Guards the laser

Protects mobile phone

Protects electricity

Guardian of the Middle Kingdom

Assessed the intelligence of American presidents

Evaluate the results (A look through the years)

Estimation of the amplitude of a discretized harmonic signal from its energy

Evaluation of high-resistance resistance with a multimeter

Meter head evaluation

Half year estimate

Estimation of intermodulation properties of cascaded blocks

Evaluation of the quality of the monitor after repair

Evaluation of the quality of video recording equipment. Qualitative indicators and what influences them

Evaluation of the quality of video recording equipment. Image enhancement systems

Evaluation of the quality of video recording equipment. Comparison of tape drives

Evaluation of the quality of ultrasonic frequency using rectangular pulses (meander)

Assessing the quality of widescreen 22-inch LCD monitors by their technical characteristics

Evaluation of low power brushless, brushed and stepper motors and their drivers

Evaluation of electric energy quality indicators in digital power electronics control systems

Assessing the consequences of impacts on synchronization systems

Evaluation of performance and features of connecting the FWH chip

Assessing the health of a hard drive

Evaluation of steel magnetic cores

TV Antenna Rating

Assessment of the technical condition of centrifuged reinforced concrete supports of 35-110 kV overhead lines in long-term operation

Evaluation of paintwork thickness

Estimation of a physical quantity

Evaluation of Broadband Ultra-Dynamic Amplifiers

Estimating the Equivalent Series Ohmic Resistance (ESR) of Electrolytic Capacitors

Estimating the Equivalent Series Resistance of a Capacitor

Rating: great!

Angle estimates

ADSP-21535 EZ-KIT UTE Evaluation Board

ADSP-BF537 EZ-KIT Lite Evaluation Board

ADSP-BF561 EZ-KIT Lite Evaluation Board

Evaluation Board for High-Speed ​​ADCs

Digitized music library

Let's digitize - we will live

The center of the culture of the ancient Incas, extinct 500 years ago

Hearth on the plot

The hearth of a rural house (stove)

The center of civilization has shifted to the northeast

Hearth, cauldron and spoons

Hearth-1 predicts tsunami

Hearths on the street

Hearths in the open air

Hearths in the open air (garden hearths)

The charm of the aqua world (how to make an aquarium)

The charm of a flat floor (the use of polymers)

Charms and disappointments

Charming batik art

Charming Distinguished Worker

eyewitness (story)

Obvious? No Incredible (puzzle)

Eyewitnesses about the Tunguska meteorite

Very important formula

Very important question

Very funny family

Very loud siren

Very tough nut

Very small thermometer

Very useful waste

A very useful parasite

Loved it

Very simple powerful transistor UMZCH

Very simple probe - rangefinder

Very agile lizards

Very Russian plane

Very thick antennas

It is very difficult to find such precise moves over the board.

Very comfortable car

Very cold atoms

Very cold synthesis of organic substances

Very efficient Extended Double Zepp DX antenna for low bands 160, 80 and 40 meters W7SX

Another all-wave antenna

Another ode to the carrot

The next reporting and re-election conference of the LRU

Another family of microcontrollers from Silabs

Next IARU congress

Another admission to the OL VZMSh

Next tasks of Osoaviakhim radio clubs

Resurrection Queue

Essay on what can't be

Essay on continued fractions

Essay on the development of physics at the Academy of Sciences

Essays on chemical philately

Air purifiers: harm or benefit

Cleaners for electronics Novec 3M

water purifier

Cleaning up the biosphere

Cleaning up the biosphere: removing waste into space

Water purification is a matter of technology

Air purification by electron beam

Cleaning the conclusions of radio components

Cuvette cleaning

Cleaning the whetstone by firing

Cleaning printed circuit boards for surface mounting

Cleaning boards from zapon varnish with foam rubber

Cleaning the surface from adhesive residue

Light cleaning

Cleaning the nozzles of injection engines

Cleaning the spatula using longitudinal grooves made in a tin can

Cleans and glows

Cleansing fountain (device for cleaning and washing engine parts and assemblies)

Glasses in plasma

Glasses for Kasparov

Tomato picking glasses

Points or points?

Glasses can be crumpled

Autofocus glasses

Display glasses

Glasses with massage

glasses with music

Supercharged glasses

Variable tint glasses

Illuminated glasses

Invisibility glasses

Full-time championship of Ukraine

Full-time - in Beloomut near Moscow

Face-to-face by radio - 30 years later

Full-time VHF - for young athletes

Full-time VHF in Ussuriysk

Collar for Druzhka. A device for quickly finding a dog in a dark yard

Collar of Lisetta

Collars from different eras

Overwhelming impression

Mistake (story)

Andrey Sakharov's mistake

An error in the project. Lenin's dead end

Error in table

Great Writer's Mistake

Galileo's mistake

George Boulenger's Mistake

Historians' mistake! Joke challenge

Error lies on the surface

Leonardo's mistake

Error upon error

Circuitry error

Thomas Brown's mistake led to an amazing invention

Futurist's mistake

Errors in geometric proofs

Errors in LM1084 documentation

Errors in Errors .... (V.A. Tupikov, Errors in solving competitive problems at entrance exams in mathematics)

Genius mistakes are the most dangerous

Mistakes in our eyes

Styopa Moshkin's mistakes

Mistakes leading to an explosion

Mistakes turned into discoveries

erroneous precision

Was Heinrich Hertz wrong?

Perceptible frailty

SNF - raw material or waste

<< Back

Latest news of science and technology, new electronics:

Artificial leather for touch emulation 15.04.2024

In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>

Petgugu Global cat litter 15.04.2024

Taking care of pets can often be a challenge, especially when it comes to keeping your home clean. A new interesting solution from the Petgugu Global startup has been presented, which will make life easier for cat owners and help them keep their home perfectly clean and tidy. Startup Petgugu Global has unveiled a unique cat toilet that can automatically flush feces, keeping your home clean and fresh. This innovative device is equipped with various smart sensors that monitor your pet's toilet activity and activate to automatically clean after use. The device connects to the sewer system and ensures efficient waste removal without the need for intervention from the owner. Additionally, the toilet has a large flushable storage capacity, making it ideal for multi-cat households. The Petgugu cat litter bowl is designed for use with water-soluble litters and offers a range of additional ... >>

The attractiveness of caring men 14.04.2024

The stereotype that women prefer "bad boys" has long been widespread. However, recent research conducted by British scientists from Monash University offers a new perspective on this issue. They looked at how women responded to men's emotional responsibility and willingness to help others. The study's findings could change our understanding of what makes men attractive to women. A study conducted by scientists from Monash University leads to new findings about men's attractiveness to women. In the experiment, women were shown photographs of men with brief stories about their behavior in various situations, including their reaction to an encounter with a homeless person. Some of the men ignored the homeless man, while others helped him, such as buying him food. A study found that men who showed empathy and kindness were more attractive to women compared to men who showed empathy and kindness. ... >>

Random news from the Archive

The most dangerous countries 06.12.2011

Scientists at the United Nations University in Bonn (Germany), summing up the results of natural disasters from 1970 to 2010, deduced for each of the 173 countries covered by statistics, a disaster risk index.

This took into account not only the likelihood of, for example, an earthquake, drought, typhoon or tsunami, but also how strong the infrastructure is, whether the available means of protection are reliable and how quickly the state can cope with a disaster and its consequences. The higher the index, the more dangerous life.

The most dangerous for living were the small island states of the Pacific Ocean - Vanuatu (risk index 32) and Tonga (29,08). The safest are Qatar (risk index 0,02) and Malta (0,72). Life in Russia is slightly more dangerous than in Belgium (3,56 versus 3,51) or Ukraine (3,02), but safer than in the US (3,72) or England (3,61).

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News feed of science and technology, new electronics

 

Interesting materials of the Free Technical Library:

▪ section of the site Big encyclopedia for children and adults. Selection of articles

▪ article And the impossible is possible. Popular expression

▪ article How did the designers of the Mako Shark concept car outsmart the boss? Detailed answer

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▪ Heliostat article. Encyclopedia of radio electronics and electrical engineering

▪ article Antenna amplifier of meter waves for several TVs. Encyclopedia of radio electronics and electrical engineering


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