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FREE TECH LIBRARY
Below, in alphabetical order, are the titles of articles published in the journal. Radioamator from 1998 to 2018. To find out which issue of the magazine Radioamator published this or that article, use article archive search. 100 years of radar 100 years of transoceanic communication 100 watt amplifier 10-command radio control on MRF49XA chip 110 years of radio and progress in information transmission 15-channel infrared remote control system 16th Conference of the Ukrainian Contest Club 200 years of Taras Grigoryevich Shevchenko 24-channel logic analyzer via LPT or RS-232 25-tone mini organ 2-bit analog-to-digital converters from Maxim 30-amp power supply option for 12-volt equipment 3G: the first step into the third generation - GPRS 3G: revolution or evolution 3-channel MIN/MAX thermometer with calendar 4G: a look into the future 5 Band Spiderbeam: Ukrainian version 50 MHz 5" HDMI TFT Display WF50BTIFGDHGX (WINSTAR) for Raspberry PI 5-channel thermometer 6-bit analog-to-digital converters from Maxim 7-channel burglar alarm 8 channel digital oscilloscopes manufactured by Teledyne LeCroy 8 time relay circuits on microcircuits 80 years U5NM STMicroelectronics STB8A 6110-PSK/QPSK Zero IF RF Converter 8-watt UZCH on the TDA2030 chip 8-channel switching on of lighting by infrared remote control AC/DC driver for high power LEDs ADN2850 - two-channel digital potentiometer AM radio station 160 m band ASIC - Custom Integrated Circuit AV showcase. CD player ROTEL RCD-971 AWG - American standard (gauge) of wires Axiomtek P1127E-500 - 12.1" Touch Panel Computer CD/MP3/WMA receiver JVC LH401 CHANGER - new generation consoles CW simulator, or teacher of the telegraph alphabet CB radio stations and antennas PRESIDENT 25-30 MHz (AM/FM/SSB/CW) DC / AC converter with sinusoidal output voltage DC/AC converters (inverters) MEAN WELL DC/DC converters UNISONIC DC/DC converters for white LEDs DC/DC Converter LT1308 A DCCAD - radio amateur assistant DS1620 - digital thermometer and thermostat from Dallas Semiconductor DSB radio station on K174XA2 DVB-S/DSS RF converter with zero IF STB6000 from STMicroelectronics DVD player Pioneer DV-610AV JVC XV-C3 DVD player DVD recorders E08141ZPN EC-DC converters EEBC 2010: Analysis and Technology Perspectives ELM-327 - universal OBD-2 car diagnostic adapter EO6F in RTTY Contest ESS - how much in this sound EX-25 - automotive thermal imaging camera from DALI FDL-65 - new 65W LED drivers from MEAN WELL FM diopozon in domestic receivers 98,4MHz FM Transmitter for Satellite Dish Tuning with PC DVB Card FM radio receiver on СХА1191S FM tuner FM adapter for recording telephone conversations FM band in the radio receiver Meridian RP-248 FM radio for personal computer GA4063 - ATTEN's New Spectrum Analyzer Galileo begins! Game: not only games. Using the Game Port GPS Navigation GPS terminal GPS. Questions and answers GPS/GSM tracker GRYPHON - vehicle monitoring and control Gryphon GPS/GSM module FAQ GSM alarm SEA GSM alarm system SEA G12 GSM alarm-blocker GSM-channel of security alarm GSM watchman - security device with notification via cellular communication channel HAM RADIO-97 HDD/DVD Recorder LG HDR 787/789/798 Hexfet (Field Effect Transistor with Hexagonal Topology) Reached New P-n Junction Temperature Limit Hi-Fi acoustics for home theater Hi-Fi audio processor MP1243A on TDA8425 - extension for ARDUINO (brief review) Hi-Fi preamplifier for magnetic pickup Hi-Fi retro or Ocean-209 receiver High-end amplifier from affordable parts HLG-240H-C: LED driver for very harsh environments HP LogicDart Handheld Multifunction Logic Probe Hyundai H-DVD5005 IDLC-45 and IDPC-45 - new LED drivers from MEAN WELL with minimal ripple IP video cameras for amateur video surveillance KB range in the Sokol-403 receiver Kudia honest partnership range Kyiv Hi-Fi Show - not yet anniversary, but already the fifth LCD TV with built-in DVD player DEX LD1509/1909 LCD TV with built-in DVD player Mustek LT-102E4D LDD-1200H/HW and LDD-1500H/HW - new DC/DC LED drivers LDV-185 - new multi-channel Mean Well power supplies for LED luminaires LED photodetector-indicator for burglar alarm systems LED lamp. What is inside? LED lighting for pedestrian crossings LM117/LM217/LM317(KP1157ЕН1) LRS - the next generation of Mean Well industrial power supplies LTR, ED ACS and TETRA M41TC8025 - Real-time clock with record low power consumption from STMicroelectronics MEAN WELL for PCB mounting Molex Introduces Picoflex Connector Series with IDT Technology and 1.27mm Pitch MP724: Winamp spectrum analyzer, 15-channel digital color music MSP34xxD - a family of multi-standard audio processors for VCRs, DVD players, graphics cards, analog and digital TVs Nintendo GAMEBOY NMT, GSM or DAMPS: make the right choice PIN-diodes of foreign firms PSoC transformer - the possibilities are limited by the imagination! PushingBox, Arduino and SIM900 RDIO MPXNUMX from HOT BIRD satellite REGZA - a new brand from Toshiba RGB lamp RELAX on modern LED lamps RS flip-flop on a transistor optocoupler RUDIS - hardware front panel simulation software SAT TV 2001 Seoul Semiconductor Introduces World's Smallest 24W DC LED Drivers Silicon Chip Silicon Chip92009 SIM900-EVB Kit or GSM modules four years later SIM900-EVB Kit, or GSM modules four years later Sim lock SSB transceiver 160 m band STMicroelectronics launches mass production of MEMS microphones in plastic cases Sumo Bot TANK-870e-H110 - embedded computer from IEI Technology TCP/IP and Packet Radio Testboy - reliable and functional measuring devices TETRA TETRA over IP - a new solution TFT LCD panels for TV receivers Thuraya-1 - new space mobile communication system TOPSwitch in Psone TV controller to control portable TVs USB KL-line adapter USB dual channel oscilloscope USB sound card based on PCM2702 USB infrared receiver MP708N USB oscilloscope BM8021 USB9FM stereo radio receiver with IR remote control USB adapter on the MC34063A chip in the car USB charging on the MC33063A chip USB injectors for PC USB drives. Device, malfunctions, restoration and repair V All-Ukrainian Olympiad in Radio Electronics VI All-Ukrainian Olympiad in Radio Electronics WAP - the way to mobile Internet WELLER. Equipment for professionals Wi-Fi - life without wires Wi-Fi in the world and in Ukraine WiMAX - a new level of wireless communications WIRES-II - amateur radio communication via the Internet WOLF - a new signal format for service and amateur radio digital communications x 1 YAMAHA - a new generation of CD players ZigBee solutions from STMicroelectronics Do you need a diplexer? lamp shade Subscriber splitter for 50-900 MHz Subscriber cable CAVEL for professionals Cable television subscriber module 21DisEqC/SAT Abram Fedorovich Ioffe Emergency power supply Autobeeper Auto-generation of two transistors connected in series Automatic light switch in the hallway Soldering iron switch off Automatic water intake Automatic device for dependent activation of electrical appliances Automatic machine for periodic pumping of water into a water tower or tank Water pumping machine Shoe dryer Refrigerator machine Dosed flower watering machine Home network surge protector Automatic load protection against increased supply voltage Automatic network protection against extreme voltage deviations Automatic short-term switch on staircase lighting staircase lighting machine Automatic staircase lighting (version 3) Lighting machine Watering machine for summer cottages and gardens Light effects machine Automatic change of direction of movement of an object Automatic control of a 12-volt electric soldering iron Automated garage light control Automatic load control Automatic lighting control Automatic Chaos on double-chip LEDs for non-repeating lighting effects Automated system for collecting and storing information from sensors Automatic water pump Automatic restart of the computer when it freezes Automatic audio compressors for mono and stereo systems Circuit breakers and RCDs Noark for domestic use Automatic chargers Automatic antenna switch for YAESU FT-1000MP transceiver Automatic antenna switch for ICOM transceivers Automatic switch of active television antenna Circuit breaker Automatic light switch Automatic IR light switch Automatic light switch Kettle automatic switch Automatic power supply for 12V soldering iron Automatic conversion of transistor TV to PC display Automatic switch of TV inputs Automatic temperature controller Automatic telegraph key Automatic charger Automatic battery charger Automatic wardrobe lighting Auto-mute ringer on home radio Automatic disconnection of the modem from the telephone line Automatic radio shutdown Auto Bias in Power Amplifier Automatic room ventilation device Automatic device for pairing DVD player SUPRA DVD-K22 with TV Horizont 61ТЦ411 Electricity saver with microphone and timer function car burglar alarm Car SV radio station President JACKSON Car alarm VHF car antenna car anti-theft device Automotive voltage converters 24V to 12V for drivers Car GPS/GPRS tracker BM8009L Car USB adapter KL-line BM9213 USB MASTER KIT for car injection engine tuning Car radio A-17 car repeater Automotive stroboscope on the PIC10F200 microcontroller Car TV Orion PLT-1001/PLT-1002 with a diagonal of 10,2 inches Automotive UMZCH 4x77 W on IC TDA7560 12W Low Frequency Car Amplifier Autonomous GSM alarm system MA3401 Autonomous country SMS-alarm system MT9021 Autonomous street lighting Autonomous 3-phase voltage inverter Offline mode in UPS auto guard Auto-refrigerator Thermiya GSA=001B, device, diagram and repair English-Russian Dictionary of Abbreviations for Electronics Adaptation of imported telephone sets to domestic telephone lines Adapter K, L - lines KL-line adapter B K-line adapter for programming 55-pin automotive ECUs with flash memory USB-COM adapter - a second life for an old modem or what's inside a mobile phone's data cable? Samsung voice recorder adapter Adapter for charging batteries of laptops and netbooks from the car's on-board network Smartbook laptop power adapter Adapter for powering a laptop from the car's on-board network Adapter for connecting a modem to a cordless handset Morse code past and present Azimuth map Water switch for electric water heaters battery tester Batteries for portable equipment for use in cold climates Active speakers in a soap box Active speaker for listening to telephone line signals Active speaker with radio Active vibrator antenna Active control speaker system for personal computer Active stereo speakers in an unusual case Active matrices based on low-noise op-amps LT1398 and LT1399 Active DI box Active USB hub Active second order crossover Transceiver Active Bandpass Filter Active video splitter Active TV splitter Active amplifier-splitter of a television signal Active broadband input probe for frequency counter Acoustics in the car Home theater acoustics Speaker system + laptop power supply Acoustic system-phase inverter with a slotted passage Acoustic miniatures. Mini DVD System Overview Acoustic LED Drivers Acoustic systems with increased efficiency Acoustic machine Acoustic lighting control Acoustic machine & lamp with step-up driver Acoustic switch Acoustic light switch Acoustic motion sensor Acoustic signaling device for electrical network Acoustic modeling of the chest and a device for recording human respiratory sounds Acoustic device for the player Promotional offer for Molex products from SEA Promotional offers for Sierra Wireless products Action Chernobyp-97 Breathalyzer for every day Aladdin - lamp commander Alternative sensors for metal detector Koschei-18M (VM8043) American coaxial cables Ammeter with zero internal resistance Amplitude detector for sound probe AM-FM radio receiver with low-voltage supply +3 V Flow analyzer AP 2048C Wired communications analyzer LBD-50 Optosimistor analog Zener diode analog Microchip analogues for telephony Analog part of a direct QPSK modulator with a large tuning range Analog part of a direct QPSK modulator with a large tuning range (part 5) Analog part of a direct QPSK modulator with a large tuning range (part 6) Analog part of a direct QPSK modulator with a large frequency tuning range Analogue and digital temperature sensors Analog interconnect and speaker cables. Myths and reality Analog multimeters 7001, 7002 and YX-360TRD and their repair Analog modem for radio relay lines of television Amateur analog-to-digital single-sideband receiver ICL7107CPL analog-to-digital converter and its application Fairchild Semiconductor analog-to-digital and digital-to-analog converters Announcement of new products MASTER KIT Antenna UA6AGWv. 40.21 (marching) Antenna UA6AGWv. 80 Traveling wave antenna Photo tripod antenna Antenna from Donbass satellite Antenna Orthodox cross Antenna with amplifier for long-range reception of UHF Antenna using central heating pipe Antenna matching device Antenna Watchdog HB9CV Antennas for Stationary Operation Antennas UT5VD double delta - 432 MHz Short range antennas 50 MHz Antennas Do-it-yourself antennas for wireless Internet Antennas for mobile communication systems Antennas of Crossed Fields or Professor Hatley's Lost Fight Antenna bidirectional amplifier 2 m range Antenna switch for five antennas Antenna constructor from ... plumbing accessories Antenna switch Antenna tuner switch VHF Antenna Amplifier Antibiotics for electronics Antivirus protection of a personal computer Anti-bugs: information protection Antison for the viewer Photoelectric antisulfator ASF-18/0,23 Anti-fading antenna for mobile communications Apparatus for magnetotherapy MS-92M Contact welding machine Model remote control equipment Devices for ultraton therapy Architecture and Aquarium. What common? Speakers with smoothed frequency response Aspirin for a light bulb Current attenuator (option) Current attenuator for fluorescent lamps Audio Video Audio doubles: CD player + amplifier 2.1 format audio system - DIY 2.1 format audio system from Master KIT - do it yourself ST Microelectronics Audio Amplifiers Audiophile misconceptions Outernet - superWi-Fi project for the Internet Balanced modulators and mixers based on bipolar transistors with complementary conduction balance mixer Barometer based on M830 multimeter Bass is important. Subwoofer Overview Battery two-tube direct amplification receiver and subscriber loudspeaker Tula running lights Running lights on CMOS chips Running lights on the CD4069 chip Running lights with auto reverse Is a cell phone safe? Safe network interference filtering Communication security in GSM Safe antenna booster power supply Secure call Safe house call White frequencies for wireless Internet Electronics Conversations Quartz-free calibrator Direction indicator contactless relay Proximity sensor Non-contact electronic setting voltage regulator Non-contact signaling device for compartment doors Non-contact tachometer Non-contact gap sensor Loopless crystal oscillator WICOP2 Bare LEDs Conquer Global Markets Noise-free voltage regulator Wireless Security ZigBee 802.15.4 wireless technology from Chipcon Wireless networks in Ukraine: state and prospects Wireless technologies of the Internet of things. Part 1: General information and near field protocols Wireless technologies of the Internet of things. Part 2. Near Range Wi-Fi - Opportunities and Solutions Wireless technologies of the Internet of things. Part 3: Long Range Wi-Fi Wireless load switch Transformerless voltage converter Transformerless stabilized rectifier Panasonic 1200 Series Cordless Phones Silent Power Control for Hi-Fi Amplifiers Business on electrical and radio elements Business on electrical and radio elements, even if you do not have them Home theater ticket Binary code guard for ham radio Biometrics: Human Identification Devices Beeper on the analogue of the injection-field effect transistor Bipolar from ordinary Bipolar transistors with static induction Bipolar transistors, emitter-switched by STMicroelectronics Krot-M transceiver according to the UR5LAK scheme Bipolar automatic pacemaker Near space and radio electronics Automation unit for water intake Uninterruptible power supply unit for caller ID Radio program selection block Ignition unit for VAZ-2108 and VAZ-2109 Karaoke block from Master KIT RMK140 Switching Power Supply Load Control Unit Receiver tuner BM3420 RFID Access Unit Power supply 0...30 V 5 A with digital indication of voltage and current FUNAI TVR-1400A MK6 video-two power supply unit and two options for its upgrade Home Lab Power Supply Home Lab Power Supply on LM723 Power supply for the laboratory of a radio amateur with voltage and current indication Power supply for Chizhevsky chandelier Power supply for multimeter DT-182 Samsung Camera Power Supply Power supply unit IPS-1. Repair, modernization and self-production 1 kW power supply for ULF 3 V power supply Power supply based on a power source from a dot matrix printer Power supply for TVK-110LM Laptop power supply: device, principle of operation, repair Power supply unit for radio receiver Quartz RP-209 ham radio repairman power supply Power supply with automatic charging for mobile phone NUMINA S-25-12 LED strip power supply. Scheme, work and repair recommendations Turning block for incubator Control box for packaging machine Control unit for electric oven Incubator kinematics control unit Compressor control unit Control unit UMZCH with conventional potentiometers MP800 Block of fixed settings with digital indication Electronic ignition unit PEZK-2 and its repair Power supplies B5-29 - B5-32. Device and repair Blocker for two telephone sets Blocker for paired phones Intercity blocker Intercity call blocker Parallel phone blocker with indicator Pirate phone blocker Sony Watchman FDL-E22U LCD TV Block Diagram Block diagram and schematic diagram of the AC-802 AC power supply for the Funai video camera side branch of progress Onboard GPS/GSM module Gryphon MINI Fight against current interception in devices on TTL-elements PSU for a sick battery PSU with a voltmeter and an ammeter from non-working M830 multimeters PSU with adjustable output voltage for foreign antenna amplifiers Static Discharge Wristband paper resistor Buffer Capacitors for Car Audio Buffer amplifiers in the practice of repair, design and modernization of equipment FET Buffer Amplifier Quick Serial Port Test A quick test of the functionality of a bipolar transistor Performance UMZCH Quick PC Keyboard Repair Quick repair of energy-saving fluorescent lamps Household mixer Household thermometer based on M830V multimeter Household digital thermometer Household appliances of ultraviolet light type Photon. Repair and operation Budget camcorder Panasonic NV-GS330 Budget LED bulbs. Review Super-A class budget amplifiers with bipolar transistor output stage Budget 4-channel home theater Bulletin HF+VHF On New Year's Eve - with a two-in-one device (review of monoblocks) In pursuit of watts. Correct calculation of the transformer In search of investments for the Ukrainian telecom Looking for sources of interference on the 40m band Help for a beginner radio amateur. DOSAAF addresses in Ukraine Ball lightning visited SMRK V. G. Bondarenko - 70 years old Option to turn on the antenna amplifier power supply Variant of the audio frequency amplifier path on the IC TL072 and TDA7294 Volume variator Panasonic variators from Matsushita Close to the theremin Introduction to DECT technology Bicycle meter for measuring the distance traveled based on the microcalculator MK-23A Solar-powered cycle speedometer Fan in the power amplifier Ventilation in a radio amateur's workshop Back to the light bulb Vertical antenna (Ground Plane) for 14, 18, 21, 24 and 28 MHz bands Bobtail Curtain Vertical Antenna The pinnacle of Hi-Fi acoustics The Pinnacle of DVD Technology: An Overview of Hi-Fi DVD Players Small wind turbines Eternal Crowns for multimeter Eternal radio volume control Eternal lamp Interchangeability of radio tubes in TVs and radios A look at the distortions introduced by the UMZCH from the inside Vibration sensors and seismographs Video and audio input / output on the ZUSTST TV Panasonic VCR video heads from MATSUSHITA Video camera - do it yourself Video cameras, Principles of construction and reference data KENWOOD VC-H1 Video Communicator - Unparalleled Immediate Image Transfer... Video conferencing: professional solutions Video conferencing: entry-level solutions VHS video recorders - technology that has stood the test of time VHS VCRs in the 90s Video player Panasonic NV-P05 REE/REU Video processor TDA8366 Video processor TDA8842/8844 Video processor AN5195K Types of backlighting in LCD TVs Hard drives and disk drives IBM PC Virtual device for measuring switching distortions UMZCH Virtual frequency counter Twisted pair for video transmission Hallway light switch Vladimir Kozmich Zworykin Influence of cable equalizers on the frequency response of CATV backbone networks The impact of optical fiber on current and future transport technologies The impact of power management on video quality Introduction of new technologies in Ukraine: pros and cons Implementation of DVB-T digital terrestrial television in Ukraine External TV tuner or the second life of an old monitor Attention: Orel MP-101S. Eliminate noise in playback mode Again about small-sized radios Again about Polish antennas Again about the problems of acquiring radio components and not only about this Again about Asian-made radios Internal GPN in the LZO generator In-circuit programmer for AVR microcontrollers (LPT-adapter) Returning to the web Around the parabolic antenna around a parabolic antenna. Diseases and pathologies of antennas around a parabolic antenna. Polar adjustment is a technology around a parabolic antenna. Let's play with a mirror Vollibot Fiber-optic communication systems. Just about complex Voltmeter from a DT-830V multimeter with a faulty LSI Voltmeter from nothing Voltmeter on ICL7135 and features of connecting indicators Voltmeter with improved linearity Mains voltage voltmeter with extended scale and light signaling Voltmeter universal digital V7-38 Issues of modernization of electrodynamic heads Eight straight roads (about what eventually created car audio) Resurrect the dead LDS Memories of the Past and Expedition EO10N/p Memories of a radio hooligan. The story of a radio amateur about the formation of his hobby, his first designs Restoration of batteries of radiotelephones Battery recovery Restoring the sound of the Panasonic KX-TC1045RUB radiotelephone Restoration of cassette tape players Restoring the local keyboard of the NOVA NTV-1431MKII TV Desktop crash recovery Repairing LG DVD Players Recovery of the SEGA joystick Restoring the health of the printer head Restoration of the kinescope of the TV Electron 61TC451D Restoring the performance of kinescopes using Kvintal devices Restoring the performance of a cooler with a broken blade Recovery of millivoltmeters VZ-38B Restoring the performance of a single-program receiver with a submerged radio network Repairing a Sharp TV Recovery of triodes and pentodes Restoring the Volume Control Restoration of a modern speaker with a horn Repairing a TV after a thunderstorm Restoration of kinescope emission Restoration of the emission properties of kinescope cathodes Microchip PIC12CXXX XNUMX-bit microcontrollers Microchip PIC16C5X XNUMX-bit microcontrollers Microchip PIC16C6X XNUMX-bit microcontrollers Eight-channel microprocessor timer, thermostat, clock Eight-lamp radiola Rigonda XNUMX-band equalizer Eight-bit RISC microcontrollers Wouter - optimal receiver selection system It's all about ... the remote. Elimination of non-stop switching programs around the ring on the Electron TV All Wave Broadcast Receiver All-wave local oscillator Are modern energy-saving lamps good for everyone? All-Ukrainian Student Olympiad in Radio Engineering again in Vinnitsa VSORTA2015 - a traditional Olympiad in radio engineering with an unconventional approach to the competition Auxiliary devices for the automatic water intake Embedded mini system MP2897 (FM, USB, SD, remote control, alarm clock, LED display) Built-in digital ammeter with LCD display from DT890B Built-in modem module CPC2430E TBR-21 Built-in UMZCH for 15AS-213 The second life of the printer power supply STAR MICRONICS LC-24-200 The second life of reel-to-reel tape recorders The second life of the 450 MHz band in mobile communication systems The second life of IC LA7 or TL1 The second life of the TV signal modulator Electronics VM-12 The second life of the primary electric clock The second life of the old monitor. Connecting a Universal Scaler to an LCD or Nodal Monitor Upgrade The second life of the old charger The second life of the 3USCT TV with a black-and-white kinescope The second life of a thermometer on gas discharge indicators The second life of UMZCH from the Mayak-240 stereo recorder The second life of watches The second life of watches on gas discharge indicators Second headlight for bicycle The second wind of Hrazdan. Expanding the capabilities of three-program receivers The second wind of the TEFAL electric kettle The second option for installing MU-56 in the TV Electron 61/51ТЦ 433/436d Input step divider Input amplifier-shaper for a digital scale-frequency meter Input circuits of radio receivers RF adapter for digital TV tuner Mitsubishi RF and microwave transistors RF modulator for digital tuner HUMAX F1 -VA FOX Choosing a radio station The choice of equipment for receiving television programs from a satellite Selecting Low Noise Transceivers for Transceivers Choosing a microwave oven and controlling its microwave radiation The choice of the receiving-transmitting path of special equipment Choosing a residual current device for domestic use Phone ringer Calling devices of telephone sets Do you turn off your PC with the POWER button? Power switch with timer for multimeter Low frequency switch Rectifiers-stabilizers Philips Semiconductor Rectifier Diodes High Voltage Sickness C1-83 High Voltage Automotive Generator High voltage divider for oscilloscope High voltage diode and transistor tester Highly dynamic reversing amplifier with a wide bandwidth of evenly boosted frequencies High line voltage High quality power supply High quality two-channel RF modulator for cable TV studios High quality hybrid DAC module High quality UMZCH type Cyclotron High performance contact testing IXYS high speed transistors with built-in diode High precision incubator humidity controller High-precision temperature controller for a thermostat on a PWM controller High Frequency Broadband Transformers High-frequency voltage converter for the device for activating polyethylene terephthalate films High frequency transformer - from the computer power supply High sensitivity analog stereo FM receiver Highly sensitive piezo sensor IXYS SOLAR high-efficiency solar cells with small dimensions Transmitter output on portable TV Output stage VEF - speaker system for PC Harmonizer Russi Audio Noise Generator Generator for tuning VHF antennas Mosquito repellent generator Telephone Line Test Generator Clock generator Generator for an experimental wind turbine Wish Generator Continuous Frequency Sound Generator on NE555 Timer Unijunction transistor sound effects generator An oscillator from an RS-232 transceiver Morse code generator on PIC18F25K20 microcontroller Single Pulse Generator and Single Pulse Width Meter Car wiper pause generator Sawtooth voltage generator with pauses between pulses Sawtooth voltage generator controlled by digital logic Square wave generator for medical devices Rectangular pulse generator with adjustable duty cycle Square wave generator with electronic frequency control RF noise generator Generator with an infinite number of ranges Variable Pulse Width Generator Oscillator with watch quartz Generator with PWM modulator Generator with electronic pulse width adjustment Light pulse generator Frequency spectrum generator for tuning communication radios Step voltage generator on the 555th timer Operator Generator High Power Current Generator Generator generating three-phase voltage with a frequency of 400 Hz Generator + frequency counter - it's very simple! Generator sensor of measured voltage interval Oscillator probe for pre-checking the tuning frequency of oscillatory circuits Generator probe for testing bipolar transistors Generator probe for checking the performance of low-Q resonators and filters Chip audio frequency generators IR Pulse Generators CMOS Oscillators Generating optocoupler with flashing LED Geostationary and geosynchronous orbits Reed relays in DIP package heterodynes Flexible tourniquet from LESHO hybrid multivibrator hybrid mixer Semiconductor hybrids with incandescent lamps Hydroionizer Globastar Global Digital Satellite Communication System Talking house bell Anniversary on ATMega8 Loudspeaker head 10GDSh-1 and its variants in AC-phase inverter. Technique of acoustic measurements of frequency response of FI at home Voice control of home appliances Blue backlight in Nokia 3210 Homodyne frequency conversion Urban traveling wave antenna Graphic probe Lightning protection of information networks and radio-electronic equipment Hands-free and remote communication for home phone VCO on K174XA11 AD829 Fast Op-Amp VCO Let there be light for the fish Let's fix it ourselves Automotive Digest Digest on automotive electrical engineering Digest on audio equipment Digest on audio electronics Digest on power supplies and chargers Digest on household appliances Consumer Electronics Digest Digest on measuring technology Digest on converters and modems Digest on medical technology Digest on New Year's garlands and decorations Ham Radio Software Digest Digest on amateur radio antennas Digest on amateur radio technologies Digest on lighting devices Digest on radio control systems Digest on television devices Telecommunications Digest Digest by phone Digest on burglar alarm devices Digest on control devices for infrared light sources Digest on spy devices Digest on digital devices Digest on electroacoustic devices Digest on electronic toys Digest on electronic circuits for controlling lighting and heating devices Cooler rotation sensor Time interval sensor for heart rate monitoring Actuator sensor for paired telephone lines Water leakage control sensor ch-c0020 Field sensor and its application in the repair of radiotelephones Proximity sensor Radiation sensor in security system Proximity sensor Gas sensors and their applications Figaro Engineering gas sensors and debug modules BOURNS pressure sensors Motorola pressure sensors Dallas Semiconductor Temperature Sensors Two options for switching on electromagnetic relays Two burglar alarm options with cell phone Two options for the construction of television cable mini-networks Two variants of UMZCH with current feedback and output stage on bipolar transistors Two ULF options with a power of more than 200 W Two options for sound effects generator on the NE555 timer for electric guitar Two approaches to the choice of low-frequency amplifier circuits with AGC Two practical tips Two simple circuits Two simple UMZCH Two simple UMZCH with an output power of 100 W Two simple devices Two cases from the practice of TV repair Two Scanners with Sensor State Memory Two speaker designs Two useful schemes for the repair of communications equipment Two simple circuits Two circuits of simple noise generators Twelve-tube radiograms and radio receiver Estonia-55 Double touch switch Two-faced Janus - the new ALINCO DR-135T Bidirectional RS232/RS485 interface Bipolar Adjustable Stabilizer Dual adjustable stabilizer Dual Range Frequency Counter Two-channel antenna switch on the microcontroller Dual channel audio signal meter with dynamic indication, Dual-channel switch to a single-beam oscilloscope Dual-channel duralight light cord controller Two-channel bridge amplifier on TDA1554Q Dual channel triac controller Two-channel triac power controller for thermal inertia loads Two-channel thermometer-clock on the microcontroller PIC12F675 Two-channel D-class audio power amplifier, expandable to six channels Two-position water level regulator in the tank XNUMX-way active second-order crossover Full wave synchronous rectifier Bipolar correction, is it good or bad? Bipolar power supply Bipolar power supply - charger from a computer PSU Bipolar laboratory power supply for a radio amateur repairman Bipolar network switching power supply ± 24 V / 190 W Two-wire computer security sensor Two-stage heating of the kinescope cathode Push-Pull Parallel Bass Amplifier Bi-Level Peak Indicator Nine Energy Saving Tips RC-5 protocol decoder SECAM chrominance decoder, vertical and horizontal scanning Broadcast decoding Decorative devices on the dekatron Voltage divider for multimeter Frequency divider up to 3,5 GHz by 256 Frequency divider using BCD to seven-segment decoder Divider-adder for the operation of two antennas on one cable Dismantling faulty transistors from double-sided printed circuit boards RF signal detector smoke detector Cell phone radiation detector Surge detector Microwave radiation detector MK153 Microwave field detector hidden wiring detector Electromagnetic field detector Detector receiver operating without ground Detectors Fast signal detectors Deterministic Chaos Children's toy - interesting again! Joystick DENDY - remote control panel Diagnostics of oxide capacitors Band pass filters Digitizer for C32 system Design and radio engineering Voice recorder plus hearing aid Dynamic time decoder for radio control Diode circuitry Diode resonant circuit Diodes in repair practice Diodes from Vishay Diodes-current regulators Discrete network power controller on the load Display for microcontroller Remote system MSN-137 based on LG microcontroller Remote turning on the magic lamp Remote control for TV UPIMTST Remote control tape recorder Mayak-242 Mobile phone based remote control Remote control by phone Remote control light for the elderly Remote control of the telephone using sound Distortion Distributors: shuttles of progress or a brake on the economy? What is the purpose of power factor correction in a switching power supply? Pre-war Latvian radio industry Dogchaser - scary story for dogs Dosing device for the amount of current that needs to be passed through the load Dosimeter from the radio Dosimeter on PIN-photodiode Long-playing mode for tape recorder Mayak-233 At home like in a cinema hall (overview of home theater systems) Hi-Fi class home cinemas. Great review Home theaters for every taste Home security machine based on caller ID Home station Fagor MicroMATV FORO house amplifiers in SKTV Addendum to the rules for working with the PPVC device Addition to the article Ways to improve the radio station EFIR-M Addition to the article Anniversaries of the mobile phone (RA 4/2013) Additions and answers to questions on PSU designs Additions to the troubleshooting methodology for UNT-47/59/61 TVs Additional mobile phone antenna Additional speaker for TV Additional fee for working with MK and not only Additional photosensitive and timer nodes to the security motion sensor Modified car adapter KL-line Refinement of the AC / DC converter Refinement of the automatic switch for short-term switching on of staircase lighting Refinement of the car guard Refinement of the active speaker system Sven-310 Refinement of acoustic systems SA90 Refinement of Polish-made antennas Refinement of antennas of portable CB radio stations Refinement of foreign-made antenna amplifiers Refinement of the power supply BP2-3 Refinement of power supplies of foreign antenna amplifiers Finalization of VCRs for video inserts Modification of the high-voltage power supply Refinement of the generator for checking telephone lines Refinement of the head 5GDV-1 (ZGD-31) without disassembly Refinement of the GPA multi-band transceiver Refinement Dandy Refinement of the dynamic head 10GD-34 Refinement of remote control Refinement of the QEW charger Refinement of a call with remote control over a radio channel Refinement of the toy radio station NS-881 Completion of the non-linear distortion meter С6-8 Refinement of the IR communication line in the burglar alarm Completion of the information panel of the computer case Delux MG416 Refinement of the Mayak-233 cassette recorder Refinement of the Chinese radio receiver KIPO and similar Refinement of computer IP Delux Refinement of the logarithmic indicator Finalization of the Mayak-249 tape recorder Refinement of tape recorders Mayak-243-249 Refinement of color modules MTs-41 and MTs-42 Refinement of the monitor STAR MICRONICS CRT-I2GRN Refinement of the multimeter DT182 Refinement of the M-838 multimeter for temperature control in two aquariums Refinement of a set of adapter K, L-lines (RA001, RA002) Refinement of the oscilloscope S1-118 Refinement of the SUNKO soldering station Finalization of variable resistors Refinement of a portable frequency meter Refinement of PPVC Finalization of holiday garlands Finalization of the pre-amplifier Radio engineering UP 001 Completion of the CD player Refinement of the Alphard ETP-306 radio microphone Refinement of the radio receiver Karpaty RP-201 Refinement of the Mason-411 radio receiver Improvement of radio receivers Meridian RP-309, Meridian RP-310 Refinement of radio stations Len-V Refinement of the radiotelephone Sanyo CLT-55km Improvement of the LORTA 50U-202S amplifier volume control Refinement of a homemade video camera Refinement of the LED lamp for operation from the mains 220 V / 50 Hz Refinement of Soviet radio receivers for receiving broadcasting stations in the FM band (88 ... 108 MHz) Completion of the submodule SMC-31 Refinement of the TV AKAI CT-2007D Refinement of the TV TEBAS 37TC-512D-1 Refinement of the TV TELEFUNKEN Improvement of the tuner for receiving satellite programs in the frequency range 11,7 ... 12,5 MHz Refinement of the tuner Radiotekhnika-T-101 Refinement of the VHF radio receiver MANBO Refinement of the universal programmer Refinement of universal programmers for programming logic matrices Refinement of the interface device Refinement of color TVs for a kinescope with straight-channel metal-alloy cathodes Refinement of the digital volt/ohmmeter Refinement of the digital capacitance meter VK-200 Refinement of the clock on the LM8560 chip Refinement of the electrical equipment of the motorcycle Refinement of the electric player G-602 CXD2158 Watch Improvements Achievements of Ukrainian radio amateurs on HF DU - new features of old microcircuits Duplex VHF antenna system for operation with waves of one polarization duplex intercom Evgeny Leonidovich Yakovlev is 60 years old Euroband - via WEF EEBC 2009 Telecom & Broadcasting: seven years already a tradition! Christmas garland of neon lamps Christmas garland on LEDs EME at 50 MHz Capacitances and inductances Capacitive relay for lighting control E-H antennas E-window for MTs-2, MTs-3 If an experiment is needed If you need to remove the foil If the cork does not open There is a record: the new Acrich MJT with a luminous efficiency of 210 lm/W! More about extending the life of the kinescope More about UMZCH repair on ICs Another version of the eternal Krona for a multimeter Another power amplifier for the player Once again about diodes in tube TVs Once again about the slow glow of the kinescope Once again about replacing K46KN in TVs Electronics More about the beeper More about CAVEL cables Once again about mobile communications and health Once again about the power of fluorescent lamps More about bicycle flashlights Once again about the repair of the DVD player VVK DV925 Once again about the repair of horizontal scanning and the replacement of TDKS More about stabilizers Once again about aspirin for a light bulb and its variations Harness for checking kinescopes Standby generator for signaling Standby mode on older TVs Liquid crystal indicators Bugs - a godsend for competitors Driving a car ... a computer The Marconi mystery Connection Management Tasks Fan off delay Backlight for TV Ohm's Law in Microsoft Excel Closing a radio channel in conventional and trunked radio systems Slowing down the heating of the kinescope of a color TV Replacing 6P4P with a transistor amplifier Replacing high-voltage transistors when repairing network adapters Replacing the LCD indicator K0-4V Replacement of imported microcircuits Replacing the kinescope on a Sony KV-2155K TV Replacement of kinescopes in TVs Replacing kinescopes with a thin neck Replacing the 6F1P lamp in 3ULPT-50 TVs Replacing incandescent lamps with LEDs in some types of fixtures Replacing the backlight on the camcorder Replacing the Ribbon in the Dot Matrix Printer Cartridge Replacing the K416KN1 chip in TVs Electronics Ts431, 432 Replacing the RAM chip in a Sega cartridge Replacing the ULF chip in a DVD player Replacing the UPCHZ M-6-1 module Replacement of MS KUN001 with K174UN7 during the repair of the Skif-308 tape recorder Akai CT-14WKD Color TV Power Switch Replacement Replacing discontinued Sierra Wireless 2G modules with more advanced ones Replacing the tuner EC923 / 92 in Toshiba TVs Replacing the power amplifier in the Alan-18 car radio Entertaining DIY 13-tone mini organ for beginners Recording telephone conversations ... automatically USB Memory Logic Analyzer BM8023 Refilling black cartridges С6615 (#15) and 51645 (#45) Charger Charger for 6- and 9-volt batteries Charger for Ni-Cd batteries Charger for Ni-MH batteries Car Battery Charger Charger for batteries of mobile devices from galvanic cells Charger for batteries of various sizes Battery recovery charger Charger for galvanic cells Battery charger for small capacity gel batteries Charger for USB product Charger for mobile phone from AA batteries Charger for mobile phone type Nokia 5110 Charger for AA batteries Nokia 6110 cell phone charger Charger for alkaline, NiCd, NiMN and Li-ion batteries Charger and power supply Charger from power source IPBT-30 Charger from a computer power supply LG mobile phone charger NOKIA AC-3E mobile phone charger Charger-discharger with independent charge and discharge functions Charging device Mobile phone battery chargers Mobile phone battery chargers Battery chargers Mobile phone chargers Motorcycle charger Shading, eclipse, blinding. Theory of satellite reception Protecting your car radio from interference Protection of the car radio from increased supply voltage Protection of powerful UMZCH loudspeakers Modem Protection Protection of information Protection of coaxial lines and equipment of video surveillance systems from lightning surges Lamp protection 6P45SA Protecting lines from eavesdropping Load protection in high voltage power supplies Protection of REA against voltage surges Protecting TVs from Lightning Protecting your phone from pirates Protection of telephone sets and communication lines Protection of antenna drive motors against phase failure Protective film for iron or steel parts Protection devices based on SiBar thyristors Security key Sound around the head buzzer relay Sound relay signaling the open door of the refrigerator Sound control of the tape drive mechanism of the voice recorder Sound generator on chips DBL5001 (5002) Sound ohmmeter sound probe buzzer Sound signaling device for switching on electronic devices Buzzer with piezoacoustic element Dual buzzer Frequency buzzer Sonic Universal Probe Sound alarms for metal detectors Sound signaling devices on dinistors Sound effects and EMP Sound effects on digital ICs Do-it-yourself sound effects from MASTER KIT kits Sound-light signaling device for switching on the network on two 555 timers Sounds over the island of morse code Reflector Fresnel Antennas Know and Repair, Shamrock Monitor Power Supply, SRC 145IP Certification marks of national and international certification centers Meet MURATA Corporation Icon - flashing beacon charger for car batteries Memory from TV parts I see and I hear - ICOMIC-R3 And again about CAVEL coaxial cables And may the strongest win And again - leftist Oscilloscope needle probe Game console SEGA MEGA DRIVE-II MK-1631-07 Bushe-2000 slot machine Toy traffic light with remote control NT1500 Ideal tool for the developer: BM8021 USB Digital Storage Oscilloscope From the history of the amateur radio movement in Ukraine Production of acoustic systems and UMZCH Production of a new scale for a pointer measuring instrument Production of electronic circuits on a PC Production of audio frequency power amplifiers Radiating electrode for air ionizer Changing the on-board computer program, or what is chip tuning Measurement of the electrical capacitance of significant capacitors with an oxide dielectric Measuring the effective voltage value on the kinescope heater Winding wire diameter measurement Measuring the diameter of thin winding wires with a digital multimeter Measurement of inductance and capacitance with a multimeter and a computer Measurement of the filament voltage of the kinescope Measurement of low resistance resistances Measurement of Thiel-Small parameters using a laptop Measuring the sampling period of an ADC using a known frequency signal Measurement of signals and noise of radio stations Len-V Frequency measurement with an autometer Frequency measurement with an oscilloscope Power meters on semiconductor diodes Oxide Capacitor ESR Meter Meter h21Э in the practice of repair and design of household equipment Meter h21e transistors Pressure meter Elektronika IAD-1 and its modernization Mobile phone battery capacity meter Capacitor capacitance meter Capacitor capacitance meter Capacitance meter for oxide capacitors Inductance meter Inductance and capacitance meter Current transfer ratio meter TV transmitter power meter Battery voltage meter without power supply C-ESR meter for electrolytic capacitors for in-circuit measurements - attachment to the multimeter C-ESR meter for electrolytic capacitors for in-circuit measurements - attachment to the multimeter Wind speed meter CO2 meter based on M830 multimeter Human skin resistance meter SATA/IDE devices consumption current meter 50 Hz industrial network frequency meter Equivalent Series Resistance Meter for Electrolytic Capacitors PIC6F873 Electrolytic Capacitor ESR Meter Measuring device for a radio amateur repairman Inventor of electronic television Curved vertical at 40 m magnet insulator The study of the telegraph alphabet. Practical recommendations IR switch with 5-stage load power adjustment… IR presence sensor MA3102 IR locator for the blind Car battery simulator for testing chargers Shooting sound simulator Campfire simulator Burglar Alarm Simulator PBX Signal Simulator Imported seven-segment indicators Nokia Mobile Phone Pulse Charger Switching power supplies on TinySwitch chips Switching power supplies on the LM2577 chip Switching power supplies of modern TVs Pulse generators on trinistors Switching voltage stabilizers of the TSR-1 series from TRACOPOWER Switching power supply - charger for compensatory recharging of batteries during storage Switching power supply for video player GoldStar RN800 Switch switching power supply Switching power supply switch D-LINK DES-1024D Panasonic KX-FT76 facsimile switching power supply (principal diagram and repair) japanese video recorder switching power supply Pulse encoder for speed and direction of rotation Pulse Metal Detector Switching step-down adjustable voltage regulator on MP1584 (Revision of the Chinese electronic module) Switching voltage converter MP605 for powering UMZCH in the field Switching regulated voltage stabilizer 1,2 ... 37 V / 3,0 A BM037M / NK037M Switching stabilizer Switching Regulator: Applications Multistandard decoder IC TDA4655, TDA4657 Op Amp Power Inverting Amplifier Individual audio identification signal for radio communications Power output indicator Lightning indicator Telephone line busy indicator SWR indicator Metal indicator IMAP-1 8300 Series Multimeter Indicator Telephone line voltage indicator Indicator of single short-term impulses Peak indicator Peak power indicator, active antenna Position indicator Call indicator with ultra-bright LEDs Fuse indicator Lambda probe indicator Radioactivity indicator Radio emission indicator in the 27 MHz band Network indicator for gas generator Scooter stop signal indicator Signal indicator Mains status indicator Fuse status indicator Telephone line status indicator Remote illuminator status indicator Phone call indicator Temperature indicator Refrigerator temperature indicator Current indicator Theft indicator Output level indicator Signal strength indicator for speakers Signal strength indicator for beginners Signal strength indicator on LEDs Brake fluid level indicator Water leakage indicator Electric field indicator Environmental powered electric field indicator An indicator that is triggered by a cell phone ringing Fuse blown indicators Phone eavesdropping indicators Digital indicators KIPTs32-1/8 inductive switch Inductor for cable tracing Incubator with automatic egg turning Automatic incubator Automatic incubator A-120B Inmarsat at full speed Innovation from STMicroelectronics will increase the safety, reliability and efficiency of industrial automation systems Repair Toolkit Tools for radio amateurs and craftsmen Integrated circuit of the voltage-frequency converter Integrated circuits of linear photosensitive devices 555 Integral Timer - Negative Resistance Device Interesting schemes from foreign amateur radio magazines Intermodulation Converter Internet without wires Internet of things Internet and satellite radio navigation HDMI interface and its features I2C interface. Technical details USB interface Interface circuits manufactured by Analog Devices Informatics and communication - 2006: new landmarks or thinning ranks Informatics, communications or?.. infrared illumination in television Infrared radar to determine the distance to an object IP for LED lamp with E27 base Distortions in the output stage of the UMZCH and how they are affected by environmental protection Wiring finder on AT90S200 microcontroller hidden wiring finder Using a 3-phase centrifugal pump Using an integrator instead of a coupling capacitor Using the winding of a power transformer as a shunt Using winding wire with damaged insulation Using one player with two listeners Use of LEDs in display devices The use of light-emitting panels on CHIP LEDs Using a phone with AON Rus-27C to protect the premises Using telephone relays The use of transformers in amateur radio developments Use of outdated electronic devices in everyday life Using the KR1878BE1 microcontroller devices Using PWM in a homemade CNC machine Using the Action Camera in the Aquatic Environment Capacitor tester Transistor tester Electrical cable tester Test stand based on a laboratory 9 A autotransformer Investigation of PSU Dynamic Parameters in NI Multisim 10 Emergency Light Source Uninterruptible power supply with switchable output voltage Power supply 48V/36V Camcorder Power Supply Power supply for 3V audio players Power supply for the children's railway Low Power Supply Electronic power supply TV power supply on TDA4605 TV power supply on IC STR-F6653 TV power supply on IC type TDA8380 TV power supply on IC type UC3842AN Power supply for electronic-mechanical watches with an acoustic relay for dial illumination Victron Lite Series Uninterruptible Power Supplies Reference voltage sources from Texas instruments Power supplies in the form of an adapter with adjustable output voltage 1,5 ... 15 V / 1 A Power supplies for radio equipment and electronic devices 3,2V Digital Video/Still Camera Power Supplies ITX Industrial Computer Power Supplies Power supplies for system modules: general information Power supplies for system modules: POWER GOOD signal conditioners Power supplies for three-phase asynchronous motor 36 V / 200 Hz Current sources - what is it? Mobile phone power supplies ITUN, INUN - rethinking distortions IV All-Ukrainian Olympiad in radio electronics among students of universities of I-II levels of accreditation To the calculation of oscillatory circuits K1182CA1 - electric shock protection chip K155LA3 in the voltage stabilizer Cavel cables for digital information transmission Indoor cables CAVEL cable Cable TV Cable TV. Features of digital television Cabling copper lines for modems or Last mile on copper cables Cable mini-stations of terrestrial TV 905C Cable networks broadcasting television signals Cable equalizers cable tester How to deal with malware How to reproduce sound with a minimum of distortion How to choose a foreign transceiver How to choose and make a modern UMZCH D-class How to choose a light-emitting diode (LED) light bulb for home and office? Part 1. Choosing a plinth How to choose a light-emitting diode (LED) light bulb for home and office? Part 2. Color temperature How to choose a telephone How to set the centers of the heads in a multi-way speaker How to replace JU-0003 in the UPS with discrete elements How to protect your home from burglars How to find the location of a broken wire How to draw a new scale for a dial gauge How to buy radio components inexpensively and is it worth selling old equipment for next to nothing How to wean a dog from aimless barking How to clean the heads of a digital video camera How to choose, connect and operate telefax How to correctly calculate the cooling radiator How to check LPT port How to check a cell phone battery How to extend battery life in mobile How to work with the Quintal device How to work with telefax How to disassemble the magnetic circuit How to recognize deception. About counterfeit computer parts How to build a MIDI keyboard yourself How to install a vibration motor in a mobile phone yourself How to make a LED lamp powered by ~220 V How to make an electronic mousetrap How to stabilize an electronic transformer How to reduce UMZCH distortion How to drive different DC motors How to save on communications and some services How to save on communications? Or a few recommendations for travelers How to save energy when operating household appliances What are telefaxes What parameters actually determine the quality of the UMZCH? What should a modern detector receiver be like? Which audio DAC is better? Calculators for decoding the color code of radio components Cameraphone and his professions Karaoke DVD player VVK DV925HD Karat-2N for beginner radio amateurs Carburetor - but one Karel Georgievich Fekhtel is 70 years old! 144 MHz pocket radio Pocket video monitor ESR pocket meter Pocket tube amplifier Pocket player as a signal generator Battery Powered Pocket Amplifier Proximity Card Reader Water Filter Cartridge - Mains Filter Housing Cascades for UMZCH without LLC Cassette recorder Mayak M260S Quality sound in a small space. Hi-Fi bookshelf speaker review HF antenna with switchable radiation pattern HF signal generator HF power amplifier UR5YW on a GU-81M lamp Quasi peak signal level meter Home alarm House bell on NE555 Quartz harmonic oscillators Quartz resonators and generators by N. S. Jauch (Germany) Crystal oscillator MOSFET crystal oscillator Quartz calibrator Kinescope - longevity Kinescopes of modern TVs Cinema on wheels Cinema in your pocket. Overview of portable DVD players Chinese toys Chinese solar garden LED lamp Classification of communication networks of Ukraine Classes of emitted signals Classes of operating modes of active (amplifying) elements KM1025KP1, KS1025KS1 - capacitive relay for thyristor or triac control ANY button for PC (Ctrl+Alt+Del) Buttons, switches, switches from AMEGA Uniflex coaxial cables When secrecy is everything MP3 audio codecs and others Mitel Semiconductor codec filters and their applications Encoding of imported capacitors Access code system Combination lock Combination lock - it couldn't be easier Combination lock on a PIC controller with a selective access level Code lock on K561IE8 High security code lock Combination lock with touch control Coded electronic lock Codes of administrative territories of the CIS Magic over the radio frequency spectrum Oscillatory circuits and electromechanical filters Combined loop antenna of intermediate VHF bands Combined biostimulant Combined power supply Combined household appliance for insect and rodent control Combined Noise Generator Combined instrument 43208-U. Features of the circuit and repair Combined amateur radio instrument Speaker switch Parallel Telephone Switch Two-Position High Current Load Switch with One-Button Low Current Control Switches on optocouplers and triacs Lighting switches using a laser pointer Indoor 12-channel resonant antenna Indoor transmitting amateur radio vibrator antennas Compact passive speaker with protection and overload indicator Compact audio frequency generator Compact Dual Channel Power Supply Compact power amplifier on TDA1517 Compact digital meter The SEA company supplied several sets of STM production to KhPI under the university program Fuzzy logic comparator Phase comparator General purpose voltage comparators with universal output Comparators from Maxim A set of equipment for diagnostics and repair of ASC combine harvesters of the Don series Chipset for burglar alarm, paging and telecontrol Remote control chipset for wired and radio communication IR components Components of telecommunication systems from Mitel Semiconductor. Devices for digital communication Ultrasonic Range Components Compressor, quad buffer Compressor limiter Computer - oscilloscope probe Computer - digital storage oscilloscope Computer as a measuring complex Grandmaster level computer programs Computer analysis of audio path parameters. Hardware Computer analysis of audio path parameters. Measurement methods Computer power supply with regulated output voltage Comfortable work on any PC Business and telecommunications convergence Current time conversion Converter for receiving digital modes of communication UHF converter with SAW filter for narrowband AM/FM DRE remote control command converter for controlling the Openbox-Sx receiver VHS to SVHS signal converter Murata Capacitor and RC Modules Designing Digital Device Boards Design defect of Aiwa TV-C201 TVs GoldStar's design error in the RN800 video recorder Structural design of a laboratory power supply unit based on an AT/ATX PSU Design and technological features of Sony equipment Antenna designs for mobile communication terminals Reverb designs Designs with Arduino Rapid Antenna Design Instant production design of an additional housing for lamps with an electronic current attenuator Potted Flowers Soil Moisture Controller Air humidity controller Engine controller from STMicroelectronics Controller for LUT machine without iron iButton Access Controller (Master Kit NN103) HF/VHF Beacon Controller RGB ribbon controller with remote control from the MP324 MASTER KIT module The controller of the microprocessor ignition system of an automobile engine Electronics MS2713 Zener diode stabilization voltage controller ham radio controller Brake light controller with serial interface Telephone line controller Uninterruptible power controllers from Dallas Semiconductor Humidity control with BC-components sensors USB port ripple voltage control Antenna control for transmission Soldering tip temperature control Monitoring the accuracy of measuring instruments Conceptual tape recorder playback amplifier Concept - Robohod Briefly about the C50N television chassis and its malfunctions Briefly about the TV chassis S3ES from TOSHIBA Briefly about the TV JVC AV-2508TEE Shortwave Power Amplifier Short-wave power amplifier on two lamps GU-46M Correct decryption of sound card ports Power factor corrector on the MC34262 chip and its use in monitor power supplies STMicroelectronics cofidec for telephone answering machines PDA from Prestigio GeoVision 5300 autonavigator KR1182PM and ... grinder KR174XA51 in the tuner Radiotekhnika-T-101 A Brief History of Fiber Optics Brief overview of Dallas Semiconductor products Briefly about TVs on the S15A chassis from SAMSUNG Short-term sound signaling device activation Silicon Non-Blocking Pulse Thyristors Fastening the mounting conductors to the printed circuit board Antenna amplifier selection criteria PC battery bracket Krot-M - UR5LAK transceiver All year round with an electronic rod SWR Meter for Field Day Canon copiers Who said A (car radio) Where do our antennas radiate? Laboratory power supplies from a PSU from a PC with PWM controllers DR-B2002, DR-B2003, SG6105 Microcontroller-controlled laboratory power supply 0…25,5 V with double protection Laboratory power supply with output voltage control on MK Medium power laboratory power supply Laboratory power supply = 0…15 V / 1 A for use in mobile phone repair Laboratory power supply = 2 ... 20 V / 1 A with adjustable voltage and current stabilization Laser pointer for light telephone Laser telecommunications Laser display (how to increase the efficiency of the monitor) Laser cable for RS232 (wireless data transmission) Laser printer PAGE PRINTER KX-P4400 ELP laser turntable Free electron lasers: present and future Lamp instead of a bell A lamp instead of a telephone ring A lamp instead of a phone call Tube receiver - a new life Tube Field Amplifier for CD Player Tube Solid State Amplifier for CD Player Lamp diodes in TVs Direct conversion tube transceiver Lamp UMZCH High-End class Tube UMZCH with ultra-linear final stage Daylight lamps. Illusions. Axioms. Aspects Left and right Is legalization delayed? The legend of the mercury antenna Motorola voltage regulators with adjustable output Lazy turn signals on the PIC12F675 microcontroller Medical device Reton: repair and self-production The League of Radio Amateurs of Ukraine (LRU) is 20 years old Strings of flashing LEDs Linear sound output on a TV with a K174UR1 chip Low Dropout Linear Transistor Regulator Lens multibeam antennas for receiving satellite television Flipping through the pages of the position Lithium-ion batteries (Li-ion). Features and protection Personal impressions of the past 15th UCC conference Logarithmic indicator Logarithmic level indicator on a quad comparator Logic probe TTL/CMOS Logic Probe Logic probe for TTL and TTLSH Location metal detector LUT without iron Lviv enterprise KuDі has mastered the production of high-end digital receivers ITGATE Amateur communications and high-frequency safety Amateur designs of reflector antennas Amateur radio stations Amateur car stereo Amateur band in the SELGA-404 receiver Amateur low frequency RC oscillator Amateur subwoofer for car Luxmeter from a faulty M830 multimeter Fluorescent lamps and their electronic ballasts Fluorescent lamps and their electronic ballasts in questions and answers Fluorescent lamp from junk parts Chandelier Chizhevsky - affordable and cheap M-50k-12 - protection device for auto-refrigerator Magnetic fields and man Magnetic diode displacement sensor Magnetoresistive sensors and their applications Magnetic Relay Tape recorder looking for wiring Tape recorder Mayak as an alarm clock Tape recorder Mayak-205 Record player. What are objective quality indicators? Tape amplifier Breadboard has a long life Model maker Maximum input current for Arduino ports Little technological tricks Little tricks when installing cartridge ribbon on a reel-to-reel printer Little monster DJ-X2000 from ALINCO Small simple transceiver Small radio transmitter on FM receiver up to 30m away Low-budget radio control, or what's inside inexpensive radio-controlled models Small-sized mobile tunable HF antenna Panasonic KX-T1000/B compact answering box Small-sized loudspeakers with dual dynamic drivers Small-sized high-voltage converters BOURNS small switches Small size AM/FM double conversion radio Small-sized AM receiver with double frequency conversion on CXA69 Small-sized diplexer for combining the power of two independent transmitters Small ESR Meter Small field strength meter Small satellite dish pointing indicator Small outdoor loudspeaker Small size VHF FM transmitter Small-sized universal UMZCH on LA4183 Small-sized frequency meter - digital scale with LCD display Low Power Transformerless Regulated Power Supply low power transmitter Low power wide range stabilizer Small reflector antennas Low-noise high-end transistorized preamplifier Low noise microphone amplifier on LA3161 Manipulator for computer game port IR manipulator for electronic telegraph key Labeling of LCD modules Soldering materials Mobile phone repair materials Median filter (subroutine for MK) Full HD media players Medical x-ray equipment. Theory and practice International broadcasting in Ukrainian International youth competitions in radio communication on short waves CQ UT CONTEST 2008 Interzone locking - a second wind for SmarTrunkll Board-to-board clamps - a successful replacement for spacer bushings Melodic indication of LED on Melodic machine with polyphonic sound Melodious phone call Meridian RP-348 in the VHF range Beat metal detectors Metal detector Metal detector for a car enthusiast Metal detector based on the principle of a frequency meter PLL detector metal detector Transceiver mixer balancing method Method for treating colds Method for assessing the nonlinearity of the amplitude characteristic of the UMZCH Methods and means of location of moving objects Backlight compensation methods in television Methods for repairing electronic equipment RF power summation methods using hybrid couplers flashing lamp Flashing CMOS LED indicators Microhelicopter on infrared remote control - Mikrosha, Aerodrom series Microwave integrated television and radio information system: transmitting and receiving antennas Microwave Samsung CK135 Microwave oven with mechanical control by LG microwaves Microdrill from improvised materials Indoor microclimate Microcomputer electric massager Smart doctor Microcontroller in a home incubator INA84C641NS-468 microcontroller in MCH-147 remote systems Microcontroller SG6105D and its application in computer power supplies Microcontroller in a switching power supply Microcontroller as delta modulator Microcontroller with Flash-memory of the AT49F family Microcontroller blocks master kit for technical creativity and professional use (a series of articles) microcontroller generator AVR microcontrollers Atmel AVR microcontrollers AVR microcontrollers. Stage 01 AVR microcontrollers. Stage 02 AVR microcontrollers. Stage 03 AVR microcontrollers. Stage 04 AVR microcontrollers. Stage 05 AVR microcontrollers. Stage 06 AVR microcontrollers. Stage 07 AVR microcontrollers. Stage 08 AVR microcontrollers. Stage 10 Cygnal microcontrollers. Debugging tools DUINO microcontrollers. Assembly 1 DUINO microcontrollers. Assembly 2 DUINO microcontrollers. Assembly 3 DUINO microcontrollers. Assembly 4 DUINO microcontrollers. Assembly 5 DUINO microcontrollers. Assembly 6 DUINO microcontrollers. Assembly 7 GSM microcontrollers. Solution 01 GSM microcontrollers. Solution 02 GSM microcontrollers. Solution 03 GSM microcontrollers. Solution 04 GSM microcontrollers. Solution 05 GSM microcontrollers. Solution 06 GSM microcontrollers. Solution 07 GSM microcontrollers. Solution 08 GSM microcontrollers. Solution 09 PIC microcontrollers. Action 01 PIC microcontrollers. Action 02 PIC microcontrollers. Action 03 PIC microcontrollers. Action 04 PIC microcontrollers. Action 05 PIC microcontrollers. Action 06 PIC microcontrollers. Action 07 PIC microcontrollers. Action 08 PIC microcontrollers. Action 09 PIC microcontrollers. Action 10 PIC microcontrollers. Where to begin STM32 microcontrollers. Barrier 1 STM32 microcontrollers. Barrier 2 STM32 microcontrollers. Barrier 3 STM32 microcontrollers. Barrier 4 STM32 microcontrollers. Barrier 5 STM32 microcontrollers. Barrier 6 STM32 microcontrollers. Barrier 7 STM32 microcontrollers. Barrier 8 STM32 microcontrollers. Barrier 9 USB microcontrollers. Task 01 USB microcontrollers. Task 02 USB microcontrollers. Task 03 USB microcontrollers. Task 04 USB microcontrollers. Task 05 USB microcontrollers. Task 06 USB microcontrollers. Task 07 USB microcontrollers. Task 08 USB microcontrollers. Task 09 USB microcontrollers. Task 10 WiFi microcontrollers. Session 1 Microcontrollers from Cygnal Integrated with Flash program memory Micro Power Transmitter for Remote Listening to TV Micropower radio microphone Micro transmitter for fox hunting Microprocessor VIA CYRIX III Microprocessor Z80 under the Christmas tree RSA84S640R/019 microprocessor in MSN-97 remote systems developed by LDSMOSogr Microprocessor control of electric water heater Microprocessor metal detector Microsatellites with amateur radio channels Chip CXA1238M/S (CXA1538M/S) Chip LM1203 and its application in monitors MC33063A chip in USB charger Chip TDA1015 Chip TDA2030 Chip high-voltage half-bridge primary generator 1182GG1 Chip infrared receiver-preamplifier TVA2800 Chip K157HP2 and microwave transistors Chip KR531GP and piezoceramic resonator Motorola MC2833 chip Bluetooth transceiver chip T7024 from Atmel Toshiba TA7630P chip Chip line-scan drivers for TDA80P, LA7850, TDA903 monitors Chips AN6650, AN6650S from Panasonic Chips LA3160, 3161 from Sanyo Microcircuits for high-frequency and fiber-optic communication from Linear Technology (overview) Chips for charging batteries of mobile devices from the switched off Microcircuits for telecommunications from Fairchild Semiconductor Driver ICs for electronic ballasts for fluorescent lamps Microcircuits K174XA34 (Russia) and TDA7021 from Philips Samsung KA2214 and KA2206 microcircuits CMOS chips - an ideal family of logic circuits Microcircuits KR1075UL2, KR 1167KP1 Microcircuits KR174UN31 (Russia) and KA2209 from Samsung Microcircuits KR174XA51 (Russia) and TDA1591 from Philips Microcircuits KR174XA53 (Russia) and TEA6300 from Philips Chips with a single-wire interface 1-Wire from Dallas Semiconductor TEA5711 chips from Philips and KA22134 from Samsung UMZCH microcircuits for mobile (wearable) and automotive applications Indicator control microcircuits. Chip KR1580HMZ-7773 Power management chips from MAXIM Audio amplifier chips from National Semiconductor Toshiba Audio Amplifier Chips Microphone in digital video camera Microphone amplifiers Microphone input for standard UMZCH power tools microphone amplifier Microphone amplifier in a tube transceiver Microphone amplifier for home machines Transceiver microphone amplifier Microphone phase limiter Mixing devices Millivoltmeter Millimeter waves in communication systems at the beginning of the XNUMXst century Mineral fertilizer - flux for soldering Miniature active speaker with switching power supply Miniature radios - efficient communication for the pros Miniature connectors from Molex for portable applications Miniature electromagnetic relays for PCB Miniature AM/FM receiver based on CXA69BS chip Miniature active sound probe Miniature blocker - anti-hare city PBX Miniature sound probe - UMZCH with mains power Miniature bridge UMZCH on TA7331P Miniature probe Miniature urban radio repeater Miniature stereo amplifier Miniature universal ham radio probe Miniature FM radio Miniature grinder from an old disk drive Mini display for testing digital logic ICs Mini drill repairman and radio amateur Mini-incubator A50B Mini VHF FM Transmitter mini robe Mini Robot Hodcat 2 Myths and realities of mobile communications Lots of brands and bowling to boot Multi-band antenna Multi-band antennas of modern phones Multi-range capacitance meter with linear scale Multi-Range CMOS Rectangular Pulse Generator Multipulse thyristor control Multi-channel lighting control Multi-channel impedance-frequency converter Many-sided TDA2030A Multipath reception of satellite television Multiposition thyristor switch Multi-band filterless equalizer Reusable SEGA-cartridge with saving positions Multilayer sensors for metal detectors Multi tone beeper Multi-level voltmeter battery status indicator Multi-phase frequency multipliers Multifunction phone monitor Multifunctional sweep generator 00 kHz...2 GHz Multifunctional switch on a microcontroller Multifunctional load dummy from available elements 144 MHz multi-element vertical antenna Multi-storey indoor television antenna Multi-core technologies and processors: a new era of computing Mobile suburban communication Mobile laboratory Mobile phone as a battery Mobile TV Mobile PCs - from laptop to wireless lifestyle icon Mobile phones and the problem of microwave exposure Mobile repeater for organizing professional radio communications in the field Mobile phone and computer Mobile UMZCH - lamp Модели РС-310/330/336, FC-310/330/336 G510 modem - the best solution for wireless technology Modem filters for telephone lines Modems Root FM tuner upgrade Upgrading an IBM PC with a soldering iron Modernization of active acoustic system Genius SP-HF1100X Speaker upgrades Modernization of a wireless apartment radio call Modernization of the horizontal scanning unit of the S1-112 oscilloscope Power Supply Upgrade Modernization of the Daewoo DMQ 2970 TXT TV power supply Modernization of the PTK block Buffer Amplifier Upgrade Modernization of the video amplifier in the MC-41E color module Modernization of the GPA all-band transceiver Sony PLAYSTATION joystick upgrade Modernization of imported household appliances Modernization of imported equipment RS232 interface upgrade for YAESU PTZ devices Heath W-5M Tube Amplifier Upgrade Modem upgrades Modernization of the color module MTs-97 AS-717 radio upgrade Cobra 19Plus radio upgrade Modernization of hand flashlights Rechargeable LED Torch Upgrade Modernization of mixers High dynamic range mixer upgrade Modernization of Soviet transistor radios without VHF band Modernization of old TVs Modernization of pointer ohmmeters Modernization of a building hair dryer for the needs of a radio amateur ZUSTST TV upgrade (why pay more?) Modernization of the TV Electronics VL-100 Modernization of TVs UPIMTST Modernization of the TV transmitter Ilmen decimeter range Transceiver upgrade with up conversion Modernization of the voltage control unit of the vibrotransport unit Modernization of the voltage indicator Contact-57E Modernization of the universal voltmeter V7-16A Modernization of the consumer protection device Modernization of the SCJ-IC-163 hair dryer system using the ZSCT1555N8TA timer Nokia Digital Satellite Receiver Upgrade Modernization of the electric guillotine Modernization of electronic ringing devices of telephone sets Modernization of the electric kettle Upgraded blocks for color TVs of 3-5 generations. Chroma modules Upgraded blocks for color TVs 3-5 generations. radio channel Upgraded acoustic automatic lamp with step-up driver We modernize the Chinese radio Modified watch Electronics 6-15/1 Modified analogue of a unijunction transistor Modified HF Receiver with Up Conversion Virtual Peripheral Modules Modules of modern D-class power amplifiers Mouse Turbo Basic 1.1 Module Module for remote switching of loads via GSM communication channel Code access module MPZ-3 power module in Samsung TV Touch switch module Thermostat module 5 to 30°C VM137 Universal economical UMZCH module Electric lock control module Cell phone color display module for amateur radio designs Color module МЦ-107 Modular device for programming Microchip PIC microcontrollers TV signal modulator - power supply My first EME QSO on 50 MHz Is it possible to repel annoying mosquitoes with ultrasound? Lightning protection company Cirprotec (Spain) Monitor Daewoo CMC 1502В Monitor Samsung 400b Computer monitor as a TV Monitor from an old computer as a second TV screen Supply voltage monitor Mains monitor Liquid crystal monitors - past or future? Monolithic DC/DC converters manufactured by Analog Devices Mounting the Channel Master antenna with anti-icing system Installation and connection of electric water heater Atlantic VM 80 N4 CM Marine radios Sea Launch in action Bridge 4-channel UMZCH Bridge stereo amplifier on TA7232P Bridge UMZCH on TDA7057AQ Bridge UMZCH on lamps 6PZS-E Bridge UMZCH with FM receiver UMZCH power and speaker power Powerful high-voltage semiconductors from IXYS in SMD packages Powerful impulse thyristors, their parameters and foreign analogues Powerful silicon RF and microwave npn transistors from Mitsubishi Powerful operational amplifiers from Burr-Brown Powerful field effect transistors Powerful RF transistors from Philips Semiconductor Powerful microwave transistors from Philips Semiconductors Powerful television transmitters Power transistors from SGS-Thomson Powerful output transistor switch Powerful power supply ABK11-18-5 Powerful switch Powerful Regulated Power Supply Powerful radio amplifier Music in the wall: built-in MP3 player MP2603DI Music and sound in a new quality. Overview of AV receivers Music center - a new sound Music ICs from Nippon Precision Circuits Music centers with MP3 Music call Music call on the microcontroller Music call using an inexpensive Chinese MP3 player Music player-voice recorder Music center Panasonic SA-VK30GC Multivibrators for LED strings Nokia multimedia terminals multimedia furniture 8300 and 8900 Series Multimeters Repair and Maintenance Practices Multiplexer voltage converter with galvanically isolated outputs ST62 microcontroller multiprogrammer Multistandard PlayStation Soft start for UMZCH Soft start UMZCH On one neon... In memory of a vacation. Overview of digital video cameras on frame elements of the Envelope type Reliable cantilever outdoor LED luminaires from LEDsvit ALEIA series Terrestrial digital broadcasting system Overhead cardiograph with storage device and interface output Directional antenna UA6AGW v.7.00 Folk speakers People's LCD TV. Overview of TVs with a diagonal of 20-22 Wall dipole resonant antennas with capacitive loads Table lamp MAX-11W and its electronic ballast Desktop fluorescent lamp for computer scientists tuning generator Setting up and working with EasyPal Adjusting the precision of a quartz watch We start repairing imported TVs Our GPS coordinates Our compatriots are the creators of electronic television Our neighbors on the air - civilian range Not a single watt Not mass, but already familiar radio services Don't buy old TVs Is color TV too expensive? Inexpensive and efficient modules for power converters Inexpensive amplifier with AGC Non-invasive blood glucose monitor Malfunctions of the TV Scanner Audio Ton CTV 7002 Faults in TVs Fan malfunctions Funai FCM-800 camcorder malfunctions Faulty AC-802 AC adapter for Funai camcorder ZUSCT TV malfunctions Malfunctions, modernization and repair of acoustic emitters of simple receivers with step-by-step automatic tuning Malfunction of the power supply of the video amplifiers of the TV Funai MK8 Some aspects of designing passive RCA filters Some impressions about the expedition to Ankudinov Island Some nuances of cooling, prevention and connection of PC components Some nuances of the Centronics type printer connector Some typos and inaccuracies in publications on MC34063 Some features of the GPA settings Some features of one of the industrial designs of LDS Some features of the design of programs in assembler (on the example of MK PIC) Some features of the SDU repair Some features of the repair of modern TVs Some features of TV power supply circuits Some features of the circuitry of tunable resonant UHF for small-sized radio receivers Some features of the installation of saving devices for kinescopes Some features of reading circuits and repairing electronic equipment Nonlinear distortion measures ... ear Some information about Samsung NP-R20 laptops. Operation, nuances A little about Maycom EM-27, modification of the modulator and more A little about lead-free soldering A little about field-effect transistors A little bit about drills and not only... Non-burning tips for soldering irons and care for them Unusual antenna for a range of 160 meters from RA3ARN Unusual breadboard Unusual use of the TDA2004 IC Unusual application of IC LM3909 Unusual application of the K176LE5 chip Unusual wind turbines Unusual applications of flashing LEDs Unusual applications of K561KTZ type CMOS switches Unusual LED night lights Unusual fan with shutdown delay An unusual way to activate the service mode of JVC TVs Unauthorized access to subscriber lines and ways to protect against it Unbalanced wall antennas A few practical notes about satellite and cable equipment Several practical schemes for household power regulators Several practical circuits of parallel telephones A few tips for repairing 3ULPT-50 TVs Simple prefixes to the telephone set Simple modulated RF generator Simple VHF Converter Non-standard replacement of imported horizontal transformer Non-standard use of boozers Non-standard use of JVC AA-V3EG power supply Non-standard use of computer IP Non-standard use of K176 series microcircuits Non-standard voltages from 3-pin regulators Atypical RS flip-flop circuits Non-traditional radio electronics Unconventional arc power source Non-trivial repair of LED flashlight Low Voltage Automatic Charger Low voltage CMOS static memory chips from Samsung Electronics Low-voltage CMOS static memory chips from Sony Low voltage LED converters Low-voltage voltage regulators for powering radios Low Voltage Voltage Stabilizer Low flying or airships Infineon low frequency general purpose transistors Low-frequency devices using gyrators and impedance converters Low-frequency generator on the comparator LM393 No mysticism Nickel-cadmium battery in the Ts435 avometer New life for the squirrel wheel engine New life for innovative ideas New life remote control New life for an old receiver New life UMZCH from an old car radio New Dual CMOS Oscillator Configuration New range of air circuit breakers and load breakers Ex9A New line of measuring instruments from Hantek New line of isolated channel oscilloscopes from Chauvin Arnoux A new line of timbral blocks Master KIT for sound amplifiers New amateur radio station Kenwood TH-F7E - reliable communication New environmental energy harvesting IC from STMicroelectronics New ICOM radio station for work and leisure New satellite radio navigation system Galileo A new transistor era? New from Quintal New Year's laser New Year's souvenir New in the technology of manufacturing printed circuit boards at home New in amateur construction technology The new sound of your favorite record. Overview of stereo UMZCH New use of the USB port The next generation of AirLink gateways for 4G LTE networks New 8-bit STM8S105 and STM8S207 and 32-bit STM32F107 devices from STMicroelectronics New 3W PCB Mount AC/DC Converters New TN/TS-3000 Series Pure Sine Wave Mean Well DC/AC Inverters New IGBTs for TIG machines and beyond New Point-of-Load converters of the TOS series from TRACOPOWER New alphanumeric displays from Agilent Technologies New versions of UA6AGW antennas New features of the old pager New dual diode modules from IXYS Mean Well's new 96W and 100W LED power supplies New lenses from LEDIL New chips for power supplies New chips of the 174 series New models of wireless modems from SonyEricsson New models of oscilloscope-multimeters from OWON New bridged audio amplifiers with output power up to 1,4W New sets from Master for measuring voltage and current New operational MDM amplifiers New handheld oscilloscope-multimeters from Hantek New MASTER KIT programmers for PIC and AVR microcontrollers New cap professions New tubes for amateur communications New developments of antenna-feeder devices for communications and television New developments from Weller New voltage control relays and phase switches manufactured by SEA Electronics New Weller repair stations - WR 2000A and WR 2000D New solutions to the old problem of heat dissipation New lighting effects Master KIT for the New Year New SEA LED lamps - for replacement of fluorescent lamps New Quadra LED panel luminaires from LEDsvit New satellites of Europe New technologies for the manufacture of printed circuit boards New air gap ferrite cores from Ferroxcube New frequencies for Polish radio amateurs New AVR-programmer MASTER KIT New shine of old Vega A new look at the distortions that occur in UMZCH A new look at the parameters of UMZCH with environmental protection New High Voltage High Frequency Dual Channel Analog Switch for Industrial Applications New TME catalog New radio channel module MRK-671 - instead of obsolete ones A new approach to testing transistors New precision digital ambient light sensor New PDJack from MOLEX New register with successive pulses New mode of operation of the plafond New SZ8-Y50 LED from Seoul Semiconductor IXYS New FDA217 Dual MOSFET Optoelectric Driver New power adapter-charger for Panasonic SDR-H40 camcorder New lantern in the old building The nomenclature of logical digital circuits of the 74 series of wide application Nomenclature of 40 and 45 series digital CMOS ICs for a wide range of applications Normalization amplifier Night light - charger HP33120A complex/arbitrary waveform generator The right mast in the right place at the right time About the 555th timer and one non-standard inclusion of it About USB Extenders and PC Security Upgrades About rodent control On the effect of NFB on the formants of audio signals About restoring your Cortland TAB 001 tablet About restoring the performance of old black-and-white kinescopes About high quality connectors for CAVEL cables About Bipolar Nutrition About the standby mode of TVs (what to do if you have a Funai TV) About dynamic distortion, environmental protection and wire resistance About replacing a horizontal transformer in some TV sets manufactured by the GDR About the protection of the electronic switch About the insidiousness of domestic transistors in plastic cases About composite structures in UMZCH About PIC12F675 Vehicle Cooling Fan Controllers About the medical device Reton. Self-manufacturing. Repair About a lot of tricky faults, or still check the electrolytic capacitor About folk antenna amplifiers About malfunctions of the Sanyo TV UPS model STR8355-00 About malfunctions of the Akai TV model CT-2507D (rational offer to the company) On some aspects of the repair of CRT TVs imported About some types of digital amateur radio About some improvements of the digital multimeter type DT-830B and the like About some features of the MP9012 PIC programmer 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) On some features of the operation of amateur HF antennas On the instability of the transfer coefficient of the output transistors UMZCH On the parameters of the devices of the subscriber section of digital cable TV networks About the power supply of fluorescent lamps with direct current About the training of radio amateurs and the Digi-80 transceiver About connecting the MU-56 module About the popular high frequency oscillator circuit About the application of car GPS/GPRS tracker BM8009L About the application of BM8039 Guardian unit About the use of ceramic resonators About the application of high-power ultra-bright LEDs About the use of the operational amplifier LT1228 in low-frequency devices On the use of matching amplifiers in amateur radio practice On the reasons for reducing the dynamic range of direct conversion receivers About the problems of household acoustic systems and about tone control On the problems of electrolytic capacitors in the practice of repair and design of equipment and on the solution of these problems About simple switches on triacs and optocouplers On simple cases and elementary circuits About decoding car radios About the repair of acoustic systems and loudspeakers About Funai TV power supply repair About repair of G3-112 generators About repairing your Philips iron About the repair of loudspeakers and acoustic systems On the repair and operation of household radio equipment About the repair of medical ultraviolet light appliances About drilling printed circuit boards in amateur radio conditions, and not only about that About modern technologies, electric vehicles, medicine and education About the CDMA standard in cellular communication systems About the article Stereo UMZCH 2x250 W About the article Improved transformerless tube-transistor UMZCH About the circuitry of KB transceivers using reverse links About the circuitry and repair of the Sony TA-FA5ES audio amplifier About transformers About MP3 decoding algorithms About sideband inversion On the distortion of the audio signal and the power of UMP About the use of double-sided fiberglass About one of the circuits of an amateur radio inductance meter About one malfunction of the UNI-T M890-F multimeter About one malfunction of the TV Funai TV-2100A MK10 About one study of the reliability of car alarms About one difficult Sony amplifier repair On the organization of a space teleconference About the printing features of laser printers On the evaluation and measurement of the instability of the speed of transportation of magnetic tapes About ultra-bright LEDs and their place on the Christmas tree About the improvement of radio receivers 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 On saving electricity when operating REA in standby mode About electronic clock on BIS KR1016VI1 Overtone loopless crystal oscillator Overview of third-generation UOC processors from NXP Semiconductors TDA110xxH / H1 and TDA120xxH / H1 series Review of low-cost oscilloscopes for PC Overview of the new MEAN WELL converters Overview of equipment for Internet access via satellite channels Overview of YAESU rotary devices Overview of popular oscilloscope models in the domestic market of measuring instruments Overview of the range of Dallas Semiconductor microcontrollers 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 Surveillance VHF antenna Cloud service and Arduino Capacitor leakage detection Rain detector outside the window Mobile phone case upgrade Updating the software in the YAESU transceiver Updated SEA1000 Digital Storage Oscilloscopes Designation and block diagrams of CHIP components Equipment for measuring the parameters of TV transmitters Weller soldering equipment from Cooper Tools Equipment for the formation of a package of digital TV programs Video processing from the Canon A1100IS camera General principles and some features of mobile phone repair General principles of signal transmission and reception in the DVB-S2 system General principles of signal transmission and reception according to the DVB-S2 standard Limiter 10 minutes Power limiter for soldering iron without thermocouple One approach to debugging a project created in the Flowcode for PIC package Eleven-lamp radiogram Friendship Odyssey 021-UYO, Rotel RA-1060: which one is more correct? One head is good, but two? .. One soldering iron - seven pads One-Key Music Synthesizer One-button bell-lock One-button load switch on CMOS switches Mitsubishi Electric single-chip microcontrollers Single-chip microcontroller М16С/61 Mitsubishi Electric Single-chip TV on IC TDA936/8 RAM instead of ROM OZCHU on VHF 2013 Cable TV operators are TV and radio companies? Operational amplifiers - a versatile component of analog electronics Operational amplifiers with field-effect transistors at the input TL081, TL082, TL084 Operational amplifiers series KR (KF) 1446UD Operational amplifiers from Maxim Determination of the equivalent parameters of a quartz resonator Optics for street LED lamps Optimal charge and storage algorithm for Li-ion and Li-pol batteries Video card optimization through BIOS firmware Bike generator optimization Optimization of the first mixer Amplifier Path Optimization with MICRO-CAP 7.0 Optical system for a wavelength of 1550 nm for ring structures of FOCL in urban environments Optical sensors for security systems Optical amplifiers Optical barrier for security systems Optical Paper Sensor for CM6337 Printer Optical and acoustic battery status indicator Optoisolation of the audio signal Optotriacs Hewlett Packard optoelectronic infrared products Hewlett-Packard optoelectronic infrared products Experience in restoring the emission of cathodes of kinescopes and electron tubes using the Kvintal device Experience in replacing trinistors of the KU221 type Experience in organizing a telemester room in a village Experience in digitizing archival audio recordings Experience with STK200 programmer Experience in implementing EMOS by displacement The experience of the UGCR in fulfilling the tasks of space radio frequency monitoring at the international level UA6AGW experiments with magnetic loop antennas original new year light effect Original radio microphone The original way of manufacturing printed circuit boards Mastering programmable logic matrices from ALTERA Autumn meetings on the Sea of Azov The main element of home theater Basic English terms and abbreviations used in TV descriptions and diagrams Main design features of optical cables The main parameters of devices of the Kvintal series The main parameters of color kinescopes from Thomson, Philips and Nokia Basic parameters of computer electronic memory Basic rules for troubleshooting in the ULPTC scanner The main types of KTV transistors and their properties Basics of GSM Fundamentals of ESD Safe Operation of InGaN LEDs Digital Basics for Beginners Features of car audio systems Features of shooting movies using zoom Features of headsets with 3,5 mm combo jack Features and prospects of using the counter-aperture principle of sound excitation Features and repair of TVs on processors of the TMPA88xx family from TOSHIBA Features of using mobile terminals in Ukraine Features of the design of speakers with dual dynamic heads Design features of generators for wind turbines Design features of high-end floorstanders Features of dome cameras Features of marking semiconductor zener diodes and transistors Features of metal detectors of different types Features of microphone systems Features of Linux OS and tricky button for Linux computer Features of improving the quality of setting the white balance and color range of the kinescope Features of converting a binary code of a number into a binary-decimal code using the left shift method Features of the use of the RDS system in broadcasting Features of the bass speaker in the car Features of the operation of low-frequency diplexers B Features of the work of field-effect transistors in RF amplifiers of transceivers Features of European second-hand TV repair Repair Features of WS-70 Amplifiers Features of modern IP video servers Features of modern acoustic systems Features of modern audio and video cables Features of schemes and service modes of television chassis L01.1 and L01.2 from PHILIPS 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 High-End Audio Technology 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 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 digital nodes of liquid crystal TVs Features, some malfunctions and upgrades of the SUNWA YX-360TRN-A tester Freezing the image in the Sega console Be careful, they are listening! Cheloane Island - Kyiv Oscilloscope in your pocket Oscilloscope S1-118A. Nuances of practical repair Oscilloscope S1-65 Oscilloscope probe Oscilloscopes: analog or digital? Oscilloscopes: analog, digital or phosphor? From a mechanical drive in information processing and storage systems to flash memory From Altai system to MRT1327 What determines the range of CB radio We answer questions and letters from our readers Domestic piezoceramic bells Refusal of Ilyich's light bulb as a step towards energy independence! Muting audio sources on a phone call Debugging devices based on microcontrollers Debug board for GSM modules WS6318 Development board for microcontrollers of the AVR family Displaying eight waveforms on the oscilloscope screen cutter Reporting and election conference LRU Security GSM-alarm system Security piezo siren Security alarm based on motion sensor Security alarm of the study room Security system Infrared security system Mobile phone based security system Security system Pseudo iButton Security system pseudo iButton - a pill from intruders security device Security device for a car with disconnection of mass Security device to protect children from robbery Motorcycle security device Security device using a radio channel Security device with a radio channel in the FM range Security and repellent device for a country house Fire and security GSM alarm for a garage or a small country house Security systems for cottages and houses Security hub on controller New generation security loop Collar for Druzhka. A device for quickly finding a dog in a dark yard Circuitry error Soldering thin winding wires In memory of Academician A.P. Ershov, to the 85th birthday of the great programmer Parallel feedback loops and their application in ultrasound Parallel dynamic voltage indicator in ACP-7E mains charger Thiel-Small parameters Parameters of transformers TS-270 and TS-310 Passive speaker for digital player Passive infrared motion sensor Passive thin-compensated volume control and balance control for a 22 kΩ load Soldering station on the soldering iron handle Soldering station for a radio amateur repairman Soldering station ... of the past century Soldering iron in your pocket Soldering irons and soldering stations from the warehouse of SEA Electronics LLC Soldering stations Weller Pedal for switching the mode of receiving and transmitting communication devices Pager for car Paging in Ukraine Paging systems from small to large The first collective radio station in the mountain rescue service Primary quartz watch Sensor for thermocouple SIGLENT Technologies Co,.Ltd's first low-cost handheld isolated-channel oscilloscopes The world's first permanent laser based on standard semiconductors Intercom Intercom - in one day Intercom with automatic call based on two standard telephones Intercom via rural radio network Personal radio transmitter Transmitters Vigintos Elektronika in Ukraine Data transmission over mobile networks IR sound transmission Transmission of speech signals underground Transmission of signals through the lighting network Alteration of the battery voltmeter Alteration of the PC power supply Alteration of video amplifiers in an old TV Converting an internal card reader to an external one Alteration of the G4-18A generator Alteration of the smooth range generator (GPA) R-107 from UT5V Alteration of the microtelephone cord of the Len-M radio station from five-wire to four-wire Alteration of the BM31M monitor under the VGA standard Converting optical audio output to coaxial Alteration of the R-250 into a transceiver Alteration of R-250/M/M2 into a transceiver according to the UR5LAK scheme Alteration of SKM-24 to receive additional cable channels Alteration of FL-568 type watches in SUP standard Alteration of alarm clocks Alteration of the electronic calculator in the SUP standard Alteration of the electronic microcalculator type CD408 in the SUP standard Alteration of electronic clock type Bright in the SUP standard Re-recording of collectible tape phonograms on discs Switches for LED strings Christmas tree garland switches on CMOS chips Christmas tree garland switches based on flashing LED signaling devices Range indicator switch Variable resistor as a switch Portable FM-receiver from pocket Portable small oscilloscopes FLUKE Portable capacitor internal resistance meter Tunable low noise antenna amplifier Restructuring of SVEN HP-760B speaker systems Rebuilding the audio channel Adapter 1-Wire - USB on the microcontroller PIC18F2550 USB-COM adapter (RS232C) List of integrated circuits produced by Kristall software Personal mobile communication and health Personal positioning with GPS Advanced communication system TETRA Prospects for low-orbit satellite communication systems Prospects for the development of terrestrial television systems Prospects for creating new remote systems Cardboard printed circuit board Gluing gun Power supply Nintendo-64 from the mains 220 V Power supply of imported equipment with mains voltage 110 V Power supply of low-voltage radio equipment from the network Powering the Polish antenna from the TV Power supply of electrical load from autonomous sources of comparable power Smooth switching on of active electrical load Smooth inclusion of horizontal scanning and slowing down the heating of the kinescope filament Smooth start of collector motors Plasma panel - new generation display Tablet, Android and MK. Angle 1 Tablet, Android and MK. Angle 2 Tablet, Android and MK. Angle 3 Tablet, Android and MK. Angle 4 Tablet, Android and MK. Angle 5 Tablet, Android and MK. Angle 6 Tablet, Android and MK. Angle 7 The player in a new way Beach Stereo Kit In the footsteps of an invention Phone call repeater DC/DC boost converter made from mobile phone parts Boost converter DC-DC 3V-5V 40kHz on a microcontroller Upconverter for the radio frequency unit PPC range 2,1 - 2,3 GHz Improving safety when using electrical appliances (observance of phasing when plugged into the network) Increasing the output power of wearable audio equipment Improving image contrast without changing lamps Improving the reliability of the smoke fire detector IP212-43M Increasing the sensitivity of the Tecsun R-828T receiver Increasing the sensitivity of ZUSTST TVs Increasing the sensitivity of the VHF FM path Increasing the efficiency of household electrical appliances Weatherproof structures for VHF antennas My child is playing under the antenna Common mode noise suppression Selection of transistors for powerful UMZCH Connecting the Dreamcast to a TV and VGA Monitor Connecting SEGA Cartridges to an IBM PC Connecting S-VHS video equipment and DVD players to a TV receiver Connecting a VGA monitor to a Playstation Connecting the car radio to the car's on-board network with a voltage of 24 V Connecting an S-VHS VCR to a HUMAX Digital Tuner Connecting the remote system MSN-117 to a non-standard TV Orizon 51ТЦ449 Connecting speakers to a PC Connecting a computer to the transceiver and working on the air Connecting computers to the Profibus network and controllers to databases via Industrial Ethernet Connecting the microcontroller to a remote computer Connecting a monitor to the PlayStation 2 Connecting EPOS loops to lamp ultrasonic frequencies Connecting the printer CM 6337.06 to a personal computer such as IBM PC Connecting Nokia phones to a computer Subroutine for receiving IR commands from the remote control in the RC5 code for PIC 18 microcontrollers Shake a leg... microcontroller Positioning of subscribers in GSM networks Finding unstable defects in an electronic product or how to get rid of chewing gum Search for lost files on the Internet Field charger for mobile phones Field day from the Sea of \uXNUMXb\uXNUMXbAzov Field-effect transistors in the UMZCH output stage without OS Field-effect transistors in matching amplifiers Useful sets of the company Master Useful information about quartz filters Useful tips for a PC user useful background Polymer fasteners for electronics Polymer Resettable Fuses Bandpass power amplifier in the range 430...442 MHz Semiconductor devices Obtaining a printed circuit board drawing Will a walkie-talkie come from a radio microphone and a beacon for a mushroom picker? Polarity and phase Interference and noise in radio reception Noise filters for audio, video and office equipment CMOS noise immunity Anti-interference voltage regulator Help those who are bedridden Step-down regulators on the LM2675 chip from National Semiconductor New addition to the TRACOPOWER 10W DC/DC Converter family Popular microcircuits for modern UMZCH class D from Texas Instruments Portable Electronics: How to get away with it Portable gas soldering irons Portable radios from TAIT Electronics Portable electromagnetic field analyzer PROTEK 3200 Portable VHF receiver Portable electronic pedometer Serial EEPROM memory 1 Mbit Listen to music, Anfiska! Rodent control Building wireless networks based on MaxStream modules Losses in a power transformer and how to reduce them Hike to the Dream House Camping half-wave antenna Camping VHF antenna Travel transceiver Why does the display screen turn off? Why didn't she work? Why did the search stop working in Windows XP and how to restore it? Why a technical writer writes Why did the computer take so long to test? Holiday garlands The practice of using LAM3 actuators Practical diagram of a stereo receiver Practical tips for dealing with interference in homemade CNC machines Practical implementation of half-wave pins Practical application of SWR meters for tuning antennas Turning a NOKIA 1110 mobile phone into a NOKIA 1600 prescaler Preliminary ultrasound on CXA1279AS Preamplifier for DVD player Preamplifier for frequency counter Preamp with EQ Measurement limit 6 A direct current from alternating current in the device Ts4353 Computer cooler overheating warning Preamplifier for measuring equipment DC to AC converters Frequency converters Converter LT3440 A/C converter with RS232 interface Voltage transformer Voltage converter for pocket player Voltage converter for LDS Voltage converter for remote control Converter of unipolar voltage to bipolar Converter tachometric device Breaker for garland DC breaker Turn signal and alarm breaker Precision temperature sensors LM135/LM235/LM335 from National Semiconductor (1019EM1] Precision quartz frequency stabilization devices for telecommunications and navigation systems Device D830V with wings Device for diadynamic electrotherapy Shore depth gauge Instrument for measuring the impedance of antennas Respiratory rate measuring device Sugar Quality Control Instrument Device for monitoring zener diodes Device for local magnetotherapy Instant Tester for Transistors and Thyristors Device for non-invasive determination of hemoglobin in human tissues Device for finding hidden wiring on PIC12F629 Silver water maker A device for checking and restoring kinescopes A device for checking and restoring kinescopes, also known as a megohmmeter Device for testing low-power field-effect transistors Phone tester A device for accurately setting the incandescence of a kinescope Device for electropuncture GSM alarm device based on SIM900 module Device-attachment to a multimeter for monitoring the content of carbon dioxide Kvintal devices and evaluation of vacuum in kinescopes. Practical Tips Optical path devices Real-time devices in MASTER sets Load control devices in Master sets KB reception without antenna DK sound reception on BG and M TVs Reception of cable television on standard channel selectors Reception of whistling atmospherics Satellite TV reception Satellite TV reception in the 4 GHz band Receiving stereo sound on TVs using the NICAM-728 format decoder Reception of TV programs from two directions by a collective antenna Receiver 900-1700 MHz FM receiver - radio station from a three-program loudspeaker Telephone ringer receiver Receiver Dzintars and radiola Sakta Shortwave observer receiver with AM/SSB detector on a chip Beginner shortwave receiver 27 MHz radio receiver Receiver Riga-10 Receiver Riga-6 Receiver-detector of RF radiation Receiver for calibration of frequency counters AC transceiver KR1446XK1 Transceiver path of modern mobile phones Application of wireless technologies from SonyEricsson The use of the D2-10M power supply for powering radio equipment The use of large integrated microwave circuits in radio relay stations of local communication The use of diode adders in lighting engineering Application of the laws of algebra of logic in the design of automation and telemechanics devices Application of IC K1146FP2 Application of the CMOS Schmitt Trigger Application of Scenix microcontrollers The use of NJM2068 and TDA7294 chips in UMZCH The use of microcircuits K74KN2 Application of CXA1538 and CXA1191 chips Application of the MC21213 Freescale chip in the framework of the Master KIT project Application of Wi-Fi modules. Option 1 Application of Wi-Fi modules. Option 2 Application of Wi-Fi modules. Option 3 Application of Wi-Fi modules. Option 4 Application of Wi-Fi modules. Option 5 Application of Wi-Fi modules. Option 6 The use of powerful high-voltage transistors in TVs The use of powerful substandard transistors in power supplies Using the M830V multimeter to control batteries Application of NM8036 Master KIT kit for home heating Application of the BM4511 / NM4511 Master KIT kit for the manufacture of a MOSFET tester The use of some types of voltage stabilizer microcircuits The use of Nordic single-chip transceivers in radio control systems The use of unijunction transistors The use of security alarm systems for cellular communications of the GSM standard The use of security alarm complexes of the GSM standard Application of field effect transistors The use of field-effect transistors in audio amplifiers Presenter application Application of AD RMS converters in sound level meters and vibration meters Use of Resettable Fuses for Power Cord Upgrades The use of silver water for the treatment of thermal burns The use of NTC thermistors in power supplies The use of trinistor regulators with pulse-phase control The use of a sound level meter in everyday life Operating principle of the current attenuator V.Yu. Corned beef found under a cut half-bridge Schematic diagram of a 6th generation color TV Berezka 54TC-601D Schematic diagram of the BBK969S DVD player Schematic diagram of the car radio Aiwa ST-Z 109/159 Schematic diagram of the car radio Panasonic R3035 Schematic diagram of the car radio Sony XR-350MK2 Schematic diagram of the car radio EOLA RM225 SA Schematic diagram of the Maycom EM-27 car radio CB Schematic diagram of the base unit of the radiotelephone KX-TC428RU Schematic diagram of the base unit of the Sanyo radiotelephone Schematic diagram of the base unit of the radiotelephone Senao SN-768 Schematic diagram of the wireless phone Panasonic KX-TG9341/9342/9343/9344 Schematic diagram of the power supply unit LCD TV-monitor AOC L32W451 Schematic diagram of the FUNAI TVR-1400A MK6 video-two power supply Schematic diagram of the power supply of the computer system unit Schematic diagram of the TOSHIBA 2165XR TV power supply PSU Schematic Diagram for iRiver Slim X CD Player (Model: SW05-S045-06) Schematic diagram of a Samsung CE1279KSE household microwave oven Schematic diagram of a Samsung CE945GF household microwave oven Schematic diagram of the Samsung M745R household microwave oven Schematic diagram of the V7-16A voltmeter Schematic diagram of the second converter of the Broadband Down Converter Schematic diagram of the G3-36A generator Schematic diagram of the main board (MAIN BOARD) of the NEC LCD1970NX(B) monitor Schematic diagram of the UPS DVD players from Savsung DVD511, DVD611 Schematic diagram of the UPS HIPER HPU-4S425PU Schematic diagram of the inverter on the FAN7314 PWM controller of the W2242S monitor from LG Schematic diagram of the power supply of the CODEGEN-300W, MODEL 300X system unit Schematic diagram of the combined instrument F-4313 Schematic diagram of the combined instrument Ts4312 Schematic diagram of the dot matrix printer Epson FX-800 Schematic diagram of the TM808 metal detector Principal diagram of Gold Star monitors models CQ465, CQ466, 455D, 455DL Schematic diagram of the Sanyo SLT-5800 wearable radiotelephone unit Schematic diagram of Senao SN-768 wearable radiotelephone unit Schematic diagram of the main board MB XD-100 REV.08 Schematic diagram of the main board MB XD-300 REV.01A receiver GI-S805CI Schematic diagram of the main board A of the base chassis MX-XNUMXS Panasonic TVs Schematic diagram of the oscilloscope S1-68 Schematic diagram of the oscilloscope S1-94 Schematic diagram of board A of the Sony Watchman FDL-E22U TV Schematic diagram of the board In the TV Sony Watchman FDL-E22U Schematic diagram of portable radio Panasonic RX-M40 Schematic diagram of the device Ts437 Schematic diagram of the SONY CDPXE800 CD player Schematic diagram of the Niva-M radio station Schematic diagram of the Samsung SP-R1500 radiotelephone Schematic diagram of the receiver BOX 500 Schematic diagram of the receiver TOPFIELD TF5000CI Schematic diagram of the satellite receiver BIG SAT BS-S501 Xtra Schematic diagram of the satellite tuner GLOBO 4100C Canon BJC-2000 Inkjet Printer Schematic Diagram Schematic diagram of the Epson Stylus Color 700 inkjet printer Schematic diagram of the Hyundai 2168S-3A television chassis Schematic diagram of the 3S10 television chassis Schematic diagram of the Daewoo C50N television chassis Schematic diagram of the TV chassis ETA-5 Schematic diagram of the TV chassis KD-020 Schematic diagram of the Samsung KS7A television chassis Schematic diagram of the Samsung KSCA television chassis Schematic diagram of LG's MC-059C television chassis Schematic diagram of the MX-5ZA television chassis Schematic diagram of the Toshiba S2E television chassis Schematic diagram of the Samsung S63A television chassis Schematic diagram of the TV chassis TX807C/CS U3P/U2P TV Chassis Schematic Diagram Schematic diagram of the MS-51A television chassis Schematic diagram of the RT-92 television chassis Schematic diagram of the TV AV-2908TEE (chassis CH) from JVC Schematic diagram of the TV BEKO 5025S (chassis 16.1) Schematic diagram of the TV CROWN CTV / B 5051 Schematic diagram of the TV Daewoo DTW28-W2F (WP-811) Schematic diagram of the TV Haier 21FV6H (TV chassis PAEX2005Q) Schematic diagram of the TV Horizont 14K02V (TV chassis TV2KM) Schematic diagram of Panasonic TC-250R, TC-255R TV Schematic diagram of the Sanyo TV model CEM 6011VSU-20 Schematic diagram of the TV SATURN ST-2104 (chassis PX20043) Schematic diagram of the SATURN-1402 TV Schematic diagram of the Supra S-21N7A TV (TV chassis 3Р51) Schematic diagram of the TV TEC 5581 Schematic diagram of TOSHIBA TV with 8873/8891 processors Schematic diagram of TV RUBIN 37/51/55M06 (T) Schematic diagram of the TV Electronics-409D Panasonic KX-F230 Telefax Schematic Diagram Schematic diagram of the SUNWA YX-360B tester Schematic diagram of the node of the digital sound processor in the TV Panasonic TX21PS70TQ Schematic diagram of the Akai AM-U310 amplifier Schematic diagram of the JVC A-X50 amplifier Schematic diagram of Mitsubishi DA-A30 amplifier Schematic diagram of the DAEWOO KOR-6Q2B5S microwave oven control device Schematic diagram of the fax machine Samsung SF-3000T Schematic diagram of the LG HB-156JE bread maker Schematic diagram of a color TV EMKA 28-TK Schematic diagram of MASTECH MY65 digital multimeter Schematic diagram of the digital camera OLYMPUS CAMEDIA C120 Schematic diagram of a digital electronic clock Electronics 6-14 Schematic diagram of the electronic voltmeter B7-38 Schematic diagram of the Panasonic KX-T2365 electronic telephone Schematic diagram of a computer PSU type LC-250 ATX Schematic diagram of the oscilloscope C1-49 JVC A-X50 Full Amplifier Circuit Diagram Schematic diagram of the instrument 43101 Schematic diagram of the CB radio station Dragon SY-101 Schematic diagram of the stabilizer ASN-10000/1 EM Schematic diagram of a stereo tape recorder Mayak M 260C Schematic diagram of the Daewoo DTA4 / 20 / 2TKF TV on the CP-85 chassis Schematic diagram of the TV JVC AV-2508TEE (TV chassis CH) Schematic diagram of TV RT-29FA34RB (chassis MC-036A) from LG Schematic diagram of the watch Elektronika 01 Kvazar Schematic diagrams of power supplies for JVC's HR-D580EE VCR and Aiwa's HV-MG85 VCR Schematic diagrams of an electronic clock on MS КА1016ХЛ1 with a fluorescent indicator type IVL1-7/52 and with an LED indicator with OK type LFD5222 Battery Charging Principles Principles of organization of cellular communication Attachment for checking the cord of a computer mouse Attachment to VK 7-3 for measuring resistance with an acoustic signal Attachment to the charger ASR-7E Attachment to the multimeter Oscilloscope attachment: digital memory block Attachment to the device for checking and restoring kinescopes Attachment to a broadcasting receiver for receiving a three-program broadcast Prefix to the telephone set for paired lines Attachment for digital multimeter Prefix KM830V for capacitance measurement Attachment-generator to the frequency meter AC Meter Attachment to Multimeter Prefix-thermometer Attachments to the multimeter for measuring the capacitance of capacitors Octave attachments for electric guitars Good news from TAIT Electronics - Ogsa Elan portable radio ChMP problem Last mile problems Bicycle flashing light Diode probe Probe for testing bipolar and field-effect transistors Probe for testing IC TTL MOSFET Probe Probe for testing semiconductor devices Probe for testing radio components Probe for testing transistors Probe for thyristors with anode current up to 1000 A Cable Health Probe FET probe Ham radio probe and its practical use in the radio market Rural Electrician's Probe Probe Generator Probe-indicator of serviceability of electrolytic capacitors Proven Methods for Soldering and Preheating ICs with BGA Pins Checking TV power supplies Checking the health of kinescopes Testing Power MOSFETs TV strength test Grundig P37-066/5 Checking oxide capacitors Remote control test Checking the operation of the remote control Multiplier check Wired TV remote control with an increased number of received channels Wired remote program changer SpectraLab V4.32.17 short description Schematic drawing program sPlan 5.0 / sPlan 6.0 with Russian interface Program for calculating inductors on Microsoft Excel Microcontroller programmer RPZU programmer Programmers for memory chips and microcontrollers. What? Where? How much? Mobile phone programming Samsung mobile phone programming Programmable 16-channel CDS and virtual simulator Programmable 32-channel light-dynamic device with a serial interface Programmable CDS with serial interface Programmable bicycle speedometer Programmable frequency divider UA01PTs01 Programmable Laser Imager Programmable timer MS14536 (domestic analogue K561VI1) Programmable four-channel timer Hardware-software complex for monitoring and control of vehicles GRYPHON ISMO VS software product - solution for transport companies Heated Antenna Extending the life of the kinescope Extending the life of fluorescent lamps Extending the life of electric guitar strings Extend the life of the crown Extend the life of your battery Product dosimeter Teledesic project Designing DC/DC converters in the WEBENCH Design Center system Designing Active Filters in Analog Filter Wizard 2.0 Designing AGC circuits using microcircuits Designing an AGC circuit on discrete components Projection clock Transparent electroluminescent displays TASEL Marantz CD-48 CD player CD-ROM based CD player CD player. Optical block Industrial controller based on an old Pentium Industrial PC in 19" rack format Simple USB sound card A simple Christmas tree garland on the PIC12F629 microcontroller Simple surge protection Easy TV setup Simple watchdog alarm A simple RF signal generator circuit A simple burglar alarm circuit A simple circuit of an electronic alarm clock Simple collet for drill A simple scale for a radio receiver based on the UAA80 chip The simplest digital devices The simplest digital devices. Logic elements (addition) The simplest output power indicator for UMZCH The simplest probe of oxide capacitors The simplest signal generator The simplest digital combination lock Simple caller Simple charger for nickel-cadmium batteries Simple charger with timer Simple battery charger A simple charger for mobile phones from the car's on-board network Simple Intelligent NIMH/NICD Battery Charger Simple security device Simple intercom Simple time relay Simple time relay with a time delay of 1 hour or more Simple turn signal relay A simple light and music device A simple watchdog device with a siren from a faulty car alarm Simple telephone line tamper protection device A simple kinescope filament voltage control device Simple Pseudo Phone Call Forwarding Device Simple electronic time relay A simple DC/AC converter for powering the chargers that are built into LED rechargeable lights from the car's on-board network Simple LED audio level indicator A simple on-off machine for PC peripherals Simple automatic switch Simple battery tester A simple spectrum analyzer 50 MHz - 2 GHz from a portable TV Simple analog to digital converter Simple ADC - prefix to a PC Simple transformerless tube-transistor power amplifier Simple power supply Simple built-in ammeter on PIC16F676 Simple high quality UMZCH A simple oscillator for testing quartz resonators A simple generator for testing the performance of field-effect transistors A simple pulse generator on logic chips A simple three-chip generator A simple square wave generator on the NE555 timer A simple generator with a powerful output A simple frequency modulation oscillator A simple light pulse generator A simple sine wave generator A simple probe generator on the 555th timer simple doorbell Simple detector-indicator of electromagnetic radiation on the 555th timer Simple discrete mains voltage regulator Simple remote switch for electrical appliances Simple sound probe Simple buzzer Simple IR buzzer A simple and reliable way to repair remote control buttons Simple and reliable heat stabilizer for the greenhouse Simple capacitance meter A simple capacitor capacitance meter Simple indicator for AB Simple phase sequence indicator Simple Capacitor Tester A simple electroplating power supply from a computer PSU Simple backup power supply Simple cable locator Simple pocket oscilloscope A simple HF converter for a car receiver Simple code lock simple switch Simple Video Switcher for CCTV Systems Simple MF-HF crossover Simple kitchen timer on ATtiny2313 A simple, low-noise, single-sideband signal conditioner for amateur radio stations simple megaphone Simple metal detector Simple microphone mixer Simple mobile mini-transceiver SVK-98 for a range of 160 m Simple modem RTTY and SSTV Simple LF generator with switchable output function A simple ozonizer from the OS of an old TV Simple switch 1 of 5 on a binary counter Simple portable frequency counter Simple half-bridge voltage converter A simple voltage converter in two different designs A simple voltage converter to power a fluorescent lamp Simple dc voltage monitor A simple programmer for PIC controllers A simple music CD player based on a computer CD drive A simple workable voltage stabilizer Simple HF Broadcast Receiver Simple radiometer Simple radio microphone Simple radio transmitter in the range 88-108 MHz Simple radio transmitting node Simple radio broadcast alarm A simple transceiver reversing amplifier with different gain in receive and transmit modes Simple repair of a household microwave oven Simple pH meter Simple welding semi-automatic A simple do-it-yourself drilling machine A simple car reverse gear indicator Simple call signaling Simple gas leak detector A simple matching amplifier A simple two way splitter An easy way to restore the functionality of the remote control An easy way to dismantle parts An easy way to protect information on a PC A simple way to check the health of the connectors and cores of a twisted pair computer network An easy way to test field effect transistors An easy way to increase the number of TV programs received An easy way to improve antenna performance Simple Voltage Stabilizer Simple voltage regulator with short circuit protection Simple Voltage Regulator with Current Limiting Simple stroboscope simple timer Simple timer for 220V Simple timer adjustable from 2 s to 3 h Simple telephone set A simple thermometer based on the M830B multimeter Simple thermostat for aquarium and more A simple tester for checking the remote control A simple radio element tester A simple transistor UMZCH with an output stage on field-effect transistors A simple VHF converter for a car receiver A simple VHF receiver A simple VHF converter A simple VHF converter Simple UMZCH on TDA1524A and TDA1552Q Simple UMZCH on TDA2030 Simple universal power supply Simple level gauge Simple thermocouple amplifier Simple Digital Pocket Oscilloscope Simple digital frequency counter A simple PWM controller on a NE555 timer A simple wideband oscilloscope with IC output stages Simple electronic autoguard Simple electronic voltmeter Simple LCD clock with calendar and alarm on ATMega 8 using DS1307 Simple antennas to expand the coverage area of mobile phones Simple generators for testing radioelements Simple generators for testing VLF and radio receivers Simple chargers on chips Simple buzzers Simple indicators of infrared remote control operation Simple designs from a faulty housekeeper Simple metal detectors Simple special thermostats Simple security devices Simple FM receivers Simple amateur radio instruments for measuring inductance Simple voltage regulators based on a booster transformer Simple soldering iron temperature controls Simple time relays Simple solutions to not so simple problems Easy Ways to Restore Your PC to Normal Operation Simple oscillator circuits Simple transistor oscillator circuits Simple amplifier circuits for video equipment Simple devices for power supplies Simple watch on four gas-discharge indicators IN-12A Anti-theft device Double Surprise Car anti-theft device Fence anti-theft device JVC remote control protocol Professional radios Professional satellite receiving teleports Professional cable TV stations series 800 (BLANCOM, Germany) UOC processors for modern mainstream TVs Spring terminals WAGO Pseudo-satellite repeaters Birds are our helpers Starting device Start-charger Control gear for modern luminaires Let the kinescope live! Traveling along the Dnieper without diesel fuel and gasoline Piezoceramic resonators Piezoelectric emitters and sensors from Kepo Five-lamp radiola Record Five-lamp receiver Ogonyok Five-tube radio Record Some errors Workplace of a modern radioman Broadcasting - 80 years Broadcast transmitters Elenos Radio conductor - invention Radio constructor Radiola Cantata-203 Radiols Record-60 and Record-60M Radio amateurs survive, but do not give up Radio amateurs and emergency services Radio amateurs in Costa Rica Mexico City radio amateurs Romanian radio amateurs Radio amateur in a large family amateur radio equipment Amateur radio designs. Locksmith Templates Amateur radio technology in questions and answers Amateur radio standard SUP Amateur radio terminator Radio amateurs about digital radio communications Radio beacon to protect children from abduction Radio microphone American (80-108 MHz) or European (88-108 MHz) radio microphone Radio microphone for lecturers 108 MHz radio microphone Radio microphone on a chip Radio microphone on one chip Radio microphone on one transistor Tunnel diode radio microphone Radio microphone with remote control Radio microphone-stethoscope Radio monitoring: state and prospects Baby monitor or baby transmitter radio pager burglar alarm radio transmitter Direct conversion radio reception Radio receiver - bridge UMZCH Radio receiver 6N-1 Radio VEF Super M557 Radio receiver Belarus-53 Radio receiver for radio microphone with remote control Radio receiver from Siesta Radio receiver Ishim-003 Radio receiver Mir (M-152) Radio receiver on a TDA7000 chip for a radio microphone Radio receiver Neva-52 Radio receiver Riga-T689 Radio receiver Rodina Recreational angler's radio Radio receiver powered by low power photocells Radio receiver with mains power from the car radio Sony XR-3503MK2 Radio receiver SI-235 Broadcast radio receiver Kazakhstan Broadcast radio receiver TPS-54 Radio receiver Tourist RP215 VHF radio from TV 3-5 USCT SVD radio receivers. Series history Souvenir radio receiver on TDA7088 Radio communication for telemetry systems STANDARD radio stations for amateur VHF radio communications Aviation band radios Short range radios Radio station Niva-M with alterations for operation on the range of 160 m Radio station RN-12B Long range radiotelephone The Faculty of Radio Engineering of the National Technical University of Ukraine KPI is 75 years old Radio broadcasting network - an emergency source of electricity Radio Broadcast Alarm Radio control for cars ACCA 1.9 Radio control for gates and garage doors Radio control of three loads using microcontrollers Radio frequency identification of objects TV signal splitters and amplifiers for them 1x2 number splitter powered by telephone line Satellite TV signal splitter Development of satellite television in Ukraine: history and prospects Development of cellular communication technology Conversation node for a telephone set Macintosh G4 Overclocking TV channel multiplier Development of a powerful RF amplifier based on the BLF548 transistor Surge arresters for protecting data lines Discharger for batteries Stealth connector Detachable connections and electromagnets VHF loop antenna of universal polarization of the range of 2 m Frame VHF antenna of universal polarization of the range of 2 m on frame elements of the Envelope type Early history of radar Wiring the microphone connectors of CB radio stations Arrangement and pin assignment of Arduino Uno connectors and ATMEGA328 microcontroller The location of the elements on the board of the electronic voltmeter B7-38 Load current distributor in powerful keys Distribution of VHF in urban environments Common Philips 20GX8550 TV Problem Common Samsung DVD Player UPS Calculation of an inductor on an armored core Calculation of contours with KPI Calculation of linear compensating power supplies for measuring systems Multivibrator calculation Calculation of the main parameters of inductive elements Calculation of radiators of semiconductor devices Calculation of radio engineering circuits using nomograms Calculation of a stepped resistive controller with characteristics B and C Calculation of type 555 timers Expanding the capabilities of 3rd and 4th generation TVs Expanding the capabilities of the power consumer protection device Expanding the capabilities of the frequency counter Expansion of the MEAN WELL DC/DC converter line in a case Decoding the pinouts of the IBM PC connectors Walkie-talkie from a radio microphone and a beacon for a mushroom picker reactance resistor Real achievements in the world of illusions Resuscitation of the TV remote control Resuscitation of lamp veterans Resuscitation of elements of STs-21 Reversible links on field-effect transistors Reversible transceiver mixers on a 590KN8 chip Reversible double balanced mixer on a chip type 590KN8 Reversible five-digit counter on the microcontroller Reversible mixer of a highly dynamic transceiver Reverse IF transceiver Reversible silo on field-effect transistors Regeneration of high energy dry batteries Adjusting and measuring the speed of a magnetic tape in a cassette recorder Adjusting Aiwa C-201 and Aiwa C-142 TVs Adjusting Samsung TVs (KS1A Chassis) Adjusting Samsung TVs (Chassis S15A) Adjusting the volume... the old fashioned way. Sound control scheme in old TVs We regulate the power ourselves! Regulated power supply with ATX-based voltage and current stabilization mode Adjustable two-channel power supply with microprocessor control Adjustable regulator Adjustable stabilizer and load power meter Adjustable voltage regulator 0…3 V Heating pressure regulator Power regulator for heating appliances Power regulator for low voltage soldering iron Collector Motor Power Regulator Triac power regulator Soldering power controller AC Power Regulator Power regulator. Kitchen Voltage Regulator Motorcycle Voltage Regulator MOSFET voltage regulator Fan speed controller Fan speed controller for personal computer Electric motor speed controller AC voltage regulator AC voltage regulator with remote control Car heater fan speed controller on a PIC controller Temperature controller for 36V soldering iron Soldering tip temperature controller Lamp dimmer for operation in low voltage networks Regulator-stabilizer of the frequency of rotation of the collector motor with MK DIY power regulators Electric soldering iron power regulators Motorola Fixed Output Voltage Regulators Level and tone controls for UZCH Chandelier dimmers with remote control Transistor modes Reference oscillator redundancy Backup power for the home Backup power at home Resistors and capacitors in tube TVs Error resonance Resonant inductance meter The results of the championship of Ukraine in 2005 on radio communication on short waves by telegraph SEA promotional article Recommendations for buying a hand-held cell phone Reconstruction of imported radio tape recorders Reconfigurable PSoC processors from Cypress MicroSystems Relaxation oscillator on transistors Relay Finder - time-tested quality Time relay Time relay for radio power amplifier Time relay from electronic alarm clocks Time relay on CMOS chips Time relay with long exposure and different intervals in the on and off states Time delay relay for sound or visual alarms at protected facilities Turn relay on PIC12F675 microcontroller Mixed lighting control relay Chameleon relays Relay device on the timer Relay signaling devices Do-it-yourself relay AC voltage stabilizer Relay line voltage stabilizer Repair of CD players. It's simple! Repair DVD-player VVK DV925 Cell phone car charger repair Asian radio repair Repair of active speakers Sven 1H00MTS-1 CONGLI audio player repair Repair of the power supply of the radio Oreanda-203 stereo Repair of the power supply unit of the TV Funai TV-2100A MK8 Repair of the power supply unit of the TV GoldStar CBT 265M TV power supply repair JVCAV-2F4EE Repair of the power supply unit of Yunost-Ts401 TVs Repair of power supplies for imported equipment Repair of power supplies for personal computers Repair of household coffee grinders and electric motors Canovision E60 camcorder repair Panasonic VCR Repair Samsung VQ-306/307/336/337 VCR repair JVC HR-P29 video player repair Repair of video players with switching power supplies Repair of video equipment with faulty horizontal transformers Telephone ringer repair Repair of the output amplifier GZ-36 Repair of GZ-120 generators Repair of a decorative LED lamp with a photocell Repair DANDY Philips LCD TV repair Mobile phone charger repair Repair of voice coils of electrodynamic heads Repair of charger for LED rechargeable lights Repair and restoration of imported amplifiers and receivers Repair and refinement of electric lighters Repair and upgrade of a compact fluorescent lamp Repair and modernization of CB radio stations Repair and modernization of the tuner-amplifier Romantika 50 RU-122S Repair and alteration of joysticks for game consoles Repair and rebuilding of receivers with step-by-step automatic tuning Repair and operation of household fans ASMi52 modem UPS repair after damage during a thunderstorm Repair of a switching power supply of a 24-port switch 3Com Repair of a switching power supply for a 24-port SURECOM switch Repair of switching power supply DPSN-60CP A, 48-port switch CATALYST 2960 Repair of a switching power supply for a medical incubator Repair of switching modem power supply XSTREM-1300 Repair of the switching power supply of the PLANET switch model FGSW-2620 Sanyo TV Switching Power Supply Repair Repair of switching power supplies for phones with caller ID RAINFORD DVD-3300 DVD player power supply repair Akai CT-G140 TV Power Supply Repair Repair of TV power supplies in case of IC failure STR6708 (STR6709, STR6707) Samsung CK-5083 ZR TV Frame Scan Repair Repair of the sound channel in the VCR LG CL172TW Repair of compact energy-saving fluorescent lamps Computer Repair Repair coffee grinder CIATRONIC KS-3307 Self-powered mole repeller repair Repair of LPM players and tape recorders Dee Jay RC?901 radio repair Sony TC-K71 tape recorder repair Repair of tape recorders Vesna 205-1 Repair of small-sized headphones for digital audio devices Repair of the CAMERON CL-400D clipper Microwave oven repair Repair of a microtelephone headset from Samsung E200 cell phones Repair of the power supply module MP-403 Repair of the TV power module Repair of monitors and PC system units Repair of the multimeter Mastech М890С+ Repair of the multimeter M-830V Repair of 8300 series multimeters Office equipment repair Repair of office equipment: CD-ROM, monitors, printers Repair of the S1-93 oscilloscope: about measurements in a voltage converter Repair of oscilloscopes С1-65 Funai TV remote control repair Repair of personal computers PZCH repair Repair pump ERB1 BEKA-MAX Repair portable radio station Kenwood TH-F7 SEGA set-top box repair according to MFD-tables Radiotelephone repair Repair of a retro radio receiver Record-52 VOLNA transceiver synthesizer repair Cold cathode fluorescent lamp (CCFL) LCD backlight repair Repair of Panasonic TC-21B3EE TV remote control system Repair of satellite tuners Repair of the speed stabilizer of the electric motor of the audio player Repair of Resant network voltage stabilizers Repair of old tube TVs Repair of washing machines Indesit WDS 1040 TX and Ariston AS 1047 CTX TV equipment repair TV repair Aiwa TV-2002 Akai 2107 TV repair Daewoo 20T2M TV repair on CP-185C chassis TV Repair Philips 21CN4472/59P RFT TV repair TV Repair Waltham TS3350 TV repair Electronics 401/401 M TV repair Akai TV repair TV repair Funai (TV-2000 AMK8) Repair of Sanyo TVs model CEM 6022R-00 Repair of TVs Orizon and Slavutich Repair of TVs with digital signal processing JVC and Aiwa TV repair Repair telefax Panasonic KXF130 Tester repair PACE PCR 800 tuner repair TV tuner repair UZCH repair Repair UMZCH DUAL CV1460 UMZCH repair on microcircuits Repair of universal lamps SUNGA made in China Repair of the unified voltage converter PN-15 Repair of JVC and Dual amplifiers Sony Amplifier Repair Repair of the Horizont 61ТЦ411 TV tuning device Digital voltmeter repair Repair of digital multimeter Elektronika-MMTS-01 Repair of digital satellite TV tuners Repair of black-and-white TVs of domestic production Repair of the whip antenna of a portable VHF radio station Microwave motor repair Repair of electrodynamic head 10GDSh-1 Repair of electric lighters for gas stoves Power Tool Repair Electric coffee grinder repair Repair of electronic-mechanical watches Repair of the electric drive of the tape recorder Mayak-240S-1 Repair of the electric drive of tape recorders Mayak-240C We repair the frequency counter-chronometer F5080 Repair discharge device for power amplifier power supply 250PPO26M Weller repair stations TV repeater on the K198NTCHB chip Call sign reform and time in Ukraine Robot 3-Pi UA Robot Sumo on Arduino nano Crawler hunter robot robot maze A Christmas Tale: Fleet Admiral's Christmas Tree Romanian Photocell LED Garden Light Manual compact electronic tester MS-48 Hand soldering tools for repair work, prototyping and small-scale production using surface mount technology Mains powered hand torch With a map and a pattern - on the roof With paging into the new millennium Subwoofer for PC Power regulator saga Battery saga Garden lamp and its repair Homemade UHF antenna Homemade charger for Li-Ion batteries Self-made relay for switching antenna inputs when receiving programs from satellites Homemade sensors Homemade conductors Homemade security devices Homemade CB antennas Homemade solar panels for a yacht (version 2) Homemade chuck for microdrill Self-assembly of the sensor for metal detectors Self-manufacturing of printed circuit boards Self-made receiver 900-1800 MHz Independent production of a tone generator and an inductive probe Morse code tutorial The world's fastest 8-bit microcontrollers manufactured by Scenix Semiconductor Inc. Very first The most powerful cleaner The most necessary working tool for a radio amateur repairman Sound processor for home ULF Troubleshooting Panasonic NV-DS5EN Digital Video Camera Welding machine from a laboratory autotransformer LATR Welding inverter - resonant bridge with frequency regulation on MK Drilling machine and more Ultra-compact carbon monoxide detector is 10 times smaller than its predecessors! Ultra-linear UMZCH of the High-End class on transistors Ultra-linear UMZCH with deep negative feedback Ultra-linear EP with high load capacity Heavy duty time relay on KR82PM Ultra-regenerative receiver with pre-UHF for pulsed signals Ultra wideband and high speed Ultra-wideband amplifiers for cable television systems Ultra Wideband Amplifier Ultra-Bright LEDs - Lighting the Future (Current-Limiting Circuits & Drivers) Super bright LEDs from Kingbright Twin line busy indicator light Light touch signaling device for the front door light effects LED indication or what a capacitor can do LED indication on a single contact LED optocoupler LED UV lamp for film photoresist exposure LED information board on PIC16F84A LED indicators for the presence of voltage supplying consumers and the status of the fuses LED lamps or LEDs in incandescent lamp sockets Kingbright LED bulbs SEA™ LED strips - a revolution in design solutions Seoul Semiconductor LED Filament Filament Ground mounted LED downlights LED traffic lights - efficient traffic management LED signal lamps LED clock SEA LED screens LED indicator in the remote control LED current indicator Stereo Balance LED LED current indicator Communication radio output power level LED LED cube 8x8x8 LED night light with photoacoustic switch Dimmable LED Downlight LED pointer indicator MP1054 for modern UMZCH 5630 LEDs up to 200 lm/W light and sound toy Light and sound toy Airplane Light and sound probe Light and sound signaling device of inclusion of tension for the electrician on two NE555 Dimmer with step control Prism light effect Whistle for dog owners Free Will (sound recording and automobile) SVP for 16 programs Communication receiver US-P (PR-4P) Communication in the Low Band range Communication in the next century Communication and location of objects in emergency situations Communication under water Rectangular shift Reed shift switch double buffer Dual voltage regulator on PIC16F876 do it yourself oscilloscope Seismic sensor Sequencer and timer for lamp glow GU-81M The secret to saving money with new LED technology Secrets of the LPT port. Buffer Secrets of bioceramics Cable TV Secrets Secrets of the welding transformer Sectional LED garland Selga-404: Olusha-T anti-noise ferrite antenna Selective Dual Frequency Metal Detector Selective dual-frequency metal detector Koschey Program selector with wired remote control Remote control compatible program selector Satellite analog channel selector Channel selectors with cable bands CKB-ND The MINIGATETM family of logic circuits from ON Semiconductor PWR-TOP200/1/2/3/4/14 XNUMX-pin PWM regulator family TDA755X Digital Signal Processor Family Semyon Isakovich Tetelbaum (on the occasion of his 90th birthday) Semi-lamp receiver Zvezda-54 Seminar of Radioamator magazine Low-budget robots, perspectives of amateur radio practice Seminar-presentation of Paradigm Electronics Ins in Ukraine Touch controls for brightness Touch screens and controllers Touch switch for small radio equipment Touch light sensor for МЦ-31 Touch Sensor Security Alarm touch call Touch dimmer Servers based on Intel architecture: 10 years of success Service modes of TVs on TV processors of the TMPA88xx family from TOSHIBA Service diagnostic complex Diana Servo motors for robots and toys Sergei Georgievich Bunin is 65 years old! Atomized iron cores from Micrometals LDD Series - New DC/DC Mean Well LED Drivers for PCB Mount Tektronix's TDS200 handheld oscilloscope series, or digital technology at the price of analog Tektronix TDS3000 Digital Oscilloscope Series iPhone network adapter Network adapter for pager Mains adapter with regulated mains voltage 1,5…15 V/1 Mains adapter with stabilized output for powering communication equipment Mains power supply for avometer AC adapter for car radios Mains rectifier with current multiplication Mains power supply for BMG4906 tonometer Network power regulator on the 555th timer MOSFET network power regulator with phase-pulse control Power strip with voltmeter and protection Network MK. Compound 1 Network MK. Compound 2 Network MK. Compound 3 Network MK. Compound 4 Network MK. Compound 5 Network MK. Compound 6 Network MK. Compound 7 Network MK. Compound 8 Network MK. Compound 9 Next Generation Network NGN Cable television network - Internet access medium Data compression in video surveillance systems CB antenna on the window, stereo modulator CB Antenna President (27 MHz) CB panorama, FM transmitter at 27 MHz CB radio communication in Ukraine: history, problems, tips for beginners CB radio on wheels Sigma-delta modulators and ADCs Oil pressure warning light Signaling device for emergency operation of the power source Devices on state signaling device Reversing vehicle signaling device Signaling device for laboratory power supply Flood alarm - power supply Signaling device on the 555th timer Cooler malfunction indicator Power supply overload signaling device IR beam crossing detector Bite alarm Discharge and recharge signaling device Signaling device with capacitive sensor Refrigerator protection relay alarm Coolant level indicator Water leakage alarm Gas leak detector Alarm on integral timer 555 triggered by touching any ungrounded object Time reference signals and their applications Signal relays TTI IXYS Power Transistors with PolarHT Technology High current (10 A) opto-relay for 220 V AC operation Triac power regulator instead of starter Triac AC voltage regulator Triac timer Triac thermostat Symmetrical transmitting indoor antennas Symmetrical tube UMZCH Synthesis of musical timbres Synthesizer for portable radio station 144...146 MHz Frequency synthesizer Frequency synthesizer 144-146 MHz on a Motorola chip Frequency synthesizer 27 MHz Digital CMOS Frequency Synthesizer SDK-02 transceiver frequency synthesizer Frequency synthesizers for radio communication equipment Common mode pickups Synchronously regulated bipolar power supply from a unipolar Synchronous filters Synchronous AM detector AVL system ORBCOM system Automatic garden watering system for half an hour Autotracking system for geostationary satellites Entrance alarm system Dispatching system for mini-boilers based on GSM cellular resources Remote control system Remote control system for base radio station ALCOM-SDU Remote control system based on radiotelephone Garage heating system Heating system based on METAKON-512 meter-regulator Internet data transmission system over cable television network Tait inform text message system Pseudo-Spatial Sound System in 5 Minutes Communication system based on a laser flashlight (pointers) Connector system for automotive electronics Trunk communication system TAITNet Control system for pneumatic installation Control and teletext system based on SAA5290 processor Control and teletext system based on SAA5497/CTV832R processor TV control system on MN152810 Three-column deaerator control system Vehicle electronic ignition system DECT cordless communication systems Weller air purification systems from a warehouse in Kyiv! Cable television systems Speech recording systems Communication systems with impulse signals Remote control systems based on GSM networks Scanning receivers: challenges and opportunities Scanning receiver 25-174 MHz Scanning receiver with TV display ICOM IC-R3 SKV-418 in a tube TV Downhole pump SKM - cable TV channels Hidden features of old TVs hidden microphone Monitoring the level of hot water in the tank Hearing aid Transceiver mixer SDK-02 Reducing distortion of the UMZCH output stage without using a common OOS Noise reduction in Mayak tape recorders Back to radio school Again about E-H antennas Again about the problems of CB radio communication in Ukraine We assemble the FM radio ourselves - coloring EK-001P Improving the technology of connecting copper cores of communication cables Tips for beginners on repairing tape recorder power supplies CB Radio Repair Tips Modern budget measuring laboratory (based on MP732, MP731 and MP730 USB modules from MASTER KIT) Modern technology of loyal repair work Modern technology for the manufacture of the case and front panel of the device Modern application of surface mounting Modern household analog cassette recorders Modern designs of selective nodes Modern methods for improving the quality of sound and image in television Modern portable radio receivers with double frequency conversion Modern wired and wireless headphones Modern CB radio stations Modern systems of interactive cable television Modern telecommunications from A to Z Modern technologies of transport communication networks Modern FM receiver based on the CXA1538 chip Modern FM receiver, features and prospects Modern car amplifier with subwoofer Modern digital camera Antenna matching and measurement of its parameters in amateur radio practice CB matching devices Matching tee Connection of parts with springs during prototyping Connectors and switching products We create our own GSM alarm Solitons - optical waves in main communication channels Solar battery SBMT-8-0.23 for mobile phones Solar energy in Ukraine: results and prospects Solar panels, pros and cons Solar Wind Turbine Angel Sonata for watts with a breeze or what and how can be strengthened in a car Pairing a DVD player with a TV Horizon 61TTs411 Pairing the camcorder with a remote monitor Pairing external devices with an IBM PC via the LPT port Windows 95/98/NT/XP Coupling of input and heterodyne circuits Pairing foreign VHS video players with domestic TVs The composition of some TVs on TV processors of the TMRA88xx family Paired activation of telephone sets Rescues and signals incandescent lamp Rescue of a kinescope with an interelectrode short circuit Save our ears! Special call sign from Maidan Nezalezhnosti Lists of commands for microcontrollers of the middle family and MPASM assembler directives List of FM radio stations received in the east of Ukraine Rectifier diode protection method Low frequency measurement method Method for measuring the resistance of high-resistance resistors Remote control test method The method of adjusting the duty cycle of the pulses of the timer KR1006VI1 TV remote control repair method Board etching method A way to improve the operation of a single-cycle tube ULF The method of setting the speed of pulling a magnetic tape in tape recorders Ways to improve the radio station EFIR-M Satellites and broadcasting Satellite network for the distribution of television and radio broadcasting programs in the digital standard Satellite communication system Ellipso Satellite technologies in the system of information support for motor transport Satellite Internet access today and tomorrow Satellite Internet from SpaceGate Comparison of x86 microprocessor instruction sets Comparison of families of logical ICs Comparative characteristics of high power transistors with a cutoff frequency up to 30 MHz (with numbers starting with 8) Comparative characteristics of high power transistors with a cutoff frequency above 10 MHz (with numbers starting with 9) Comparative analysis of the effectiveness of the use of TETRA and GSM systems by emergency response services Contact service tools Programming and debugging tools for Scenix microcontrollers Voltage regulator Voltage stabilizer for mobile phone Voltage stabilizer for powering operational amplifiers in UMZCH Scooter Headlight Voltage Stabilizer Voltage stabilizer with indication of the discharge of galvanic cells Low and millivolt voltage stabilizer Temperature stabilizer in a closed volume containing a payload AC Adapter Voltage Stabilizers Low Dropout Stabilizers Stabilization of the current power of the electrode battery on the microcontroller Stabilization of mains voltage in the countryside Stabilized power supply Stabilized regulated power supply with protection Stabilized Regulated Power Supply Stabilized cassette recorder motor speed controller Zener diode as a ballast Stable thermostat DECT standard - new horizons of wireless telephony Hi-Fi standard and High-End concept - what's the difference? SECAM DK standard on CROWN CTV-5951 TV APCO25 standard: basic provisions MPEG-4, H.264 and H.265 video compression standards Machine for manual winding of transformer coils Old radio and bear corners Starting amplifier for asynchronous generator An old mobile phone is your car watchman Stationary power supply for a portable radio station Stationary VHF-FM radio receiver from modules from old TVs CTB tuner DRE 4000 Stand for testing output transformers of cable tracing generators Stand for repairing color TV power modules Stand power supply from LC-250 ATX from PC Test bench for testing thyristors stereo decoder Stereo sound in the SEGA console Stereo sound in stereoradiol Ilga RE-201S-1 stereo microphone D-class stereo amplifier (2х210 W) with expansion up to 6 channels BM2073 MASTER KIT Stereo amplifier for multimedia devices based on the TDA7496SA chip Stereo headphone amplifier on a TL3414A chip Stereo amplifier on a TA7376P chip Stereo 2-band EQ Stereo car UMZCH for a beginner radio amateur Stereo bridge UMZCH on lamps Stereo receiver on dual system stereo decoder Stereo UMZCH 2x250 W Stereophonic broadcasting Stereophony: the missing link Sleep stimulator Samsung washing machines (P1405J, P1205J, P1005J, P805J) Should I buy an R-DAT digital tape recorder? Is it worth it to buy energy-saving devices? Vehicle ignition watchdog Watchdog timer for automatic restart of the microcontroller Strategy for the development of dedicated networks and special purpose networks Inkjet printer Canon BJC-2100 The structure of mobile phone software and sources of its distribution Docking the Electronics 6105 Monitor to an IBM PC Sulfation of lead-acid battery plates and its control twilight switch Supervisors. About one fault in the power supply with supervisor Supercapacitor in mobile phone Supercapacitors - new elements of electrical circuits Super Economical Light Pulse Indicator Surge Suppressor Diodes (TVS) from ON Semiconductor Transient voltage suppressors Dryer with thermostat Scheme of automation for memory on a microcontroller Automatic frequency change circuit Scheme of automatic control of the pump in the garden Scheme of car MW radio station YOSAN JC2204 Scheme of a non-contact device that allows you to detect the presence of alternating mains voltage in the wires Scheme of remote control of light from any remote control Scheme for measuring currents up to 10 A in a wide frequency band Scheme for listening to telephone conversations at a short distance UR1101XK4661 Color Difference Delay Circuit for TV Color Decoder Scheme for storing the threshold change of the input signal Scheme and features of the switching power supply HIPER HPU-4S425PU Scheme and repair of another version of the UPS switch D-Link DES-1024D Rope length measurement scheme Pulse meter circuit Indicator scheme Phone Line Busy Indicator Circuit Call indicator scheme Battery monitoring circuit Schematic diagram of LG MS-196U microwave oven Circuit of the low-voltage sound indicator Scheme of a new series of LG TVs on the MS-64 chassis Diagram of the main board of receivers of the DSB 300 and DSB 350 series Burglar alarm scheme Apartment security scheme by phone Fluorescent lamp power circuit Battery recharging scheme 7D-0,125D Diagram of a portable fluorescent lamp Scheme for converting single-phase mains voltage to three-phase Scheme of the device for searching for microtransmitters Operational amplifier test circuit Scheme of radio frequency eavesdropper finder Auto Raise Relay Schematic DAEWOO KOR-6Q2B5S Microwave Oven Wiring Diagram Diagram of LG TV model CF-21D70R Scheme TV Electronics 404/404D Telephone watchman circuit Scheme of an alarm siren that makes a howling sound Scheme of a three-band UMZCH on microcircuits Household refrigerator compressor motor control circuit UR1101PS5 LCD control circuit Chandelier control scheme FPGA stepper motor control circuit Filter circuit for a three-band ultrasonic frequency converter, a receiver on a single KA174XA2 chip Scheme electric game console SEGA Schematic diagram of the Samsung CQA4147 monitor power supply (SyncMaster3) Schematic diagram of the Samtron SC-726GXL monitor power supply Schematic diagram of the monitor Electronics VD-1205 Electrical circuit diagram of the oscilloscope S1-73 Schematic diagram of a color TV set Horizon 27/32LCD825 Electrical circuit diagram of a digital multimeter Elektronika-MMTS-01 Circuitry of automata running line on gas-discharge devices Power supply circuitry: ATX-350WP4 Circuitry and repair of VCS of modern TVs Circuit design and repair of amplifier Bark-001 Circuitry and equalizer repair Phoenix E008S Circuitry of low-power switching power supplies Circuitry on integrated timers Circuitry for connecting low-power fluorescent lamps with reactive ballast to a 50 Hz network Schematics of preamplifiers with increasing supply voltage on the NE555 timer Circuitry of simple automatons of light illumination Circuitry of radio receivers of the SVD series Circuitry of power switches on thyristors Circuitry UMZCH high fidelity Circuitry UMZCH class A + B with an operational amplifier at the input Circuitry of devices for extending the service life of electrovacuum devices Circuitry: features and nuances Circuitry features of LCD TVs Automatic identification circuits (iButton) manufactured by Dallas Semiconductor Indicator schemes for a paired phone Cable diagrams for connecting a mobile phone to a computer Mastech multimeter circuits DAEWOO CP-002 television chassis diagrams SAMSUG S15A television chassis diagrams TOSHIBA S3ES TV Chassis Schematics Call time counter Pulse counter with large counting capacity Microorganism colony counter Tape counter Event counter Removable AC power module for VEF Save and Save Table of analogues of microcircuits of the 174 series Correspondence table of OU from Motorola and other companies Correspondence table for voltage regulators from Motorola and other companies Timer 2 sec…3 hour / 300 W DMM auto-off timer Greenhouse drip irrigation timer Kitchen timer Timer to turn off the game console Timer for periodic switching on of the load Timer for controlling the on/off of an external load Timer for digital voice recorders Preset timer Timer from Electronics 32-05 Timer for digital multimeter Momentary Load On Timer Entrance lighting timer Timer from 5 to 30 minutes Load shedding timer Lumber kiln fan control timer Timer, stopwatch, time recorder - developments of the company Master Automatic timer Watchdog timer Tachometer Medium Power Optoelectronic Solid State Relays Linear Technology Solid State Filters Twist vibrator - another ultra-wideband antenna Your electronic assistant at home TV transmitter High definition television TV antenna from a plastic bottle TV antenna Kvant-2 TV Polish Antenna Television device for dependent switching on of loads TV chassis 11AK20 from VESTEL DAEWOO TV Chassis CP-002 TV Chassis PT-92 Television antennas made of cardboard and foil Television antenna amplifiers UHF range for tablets and smartphones Full HD TV projectors TV chassis MS-019A and KS1A from LG and Samsung. Device and repair TV tuner NDBOX 2007 for video cards with TV output TV - TV signal source TV CK-5339ZR/CK-5339WCX TV Grundig P 37-066/5 Sanyo TV model CEM 6011VSU-20 TV SHARP 21L-SC. Schematic wiring diagram TV Sony KV-1484 (1984, 2184) MT TV as an oscilloscope TV Vityaz 37CTV730-7 and its immediate family TV instead of radio TV for summer cottage and garage Home theater TV (review of TVs with a screen size of 25 inches) TV from the monitor! It's very simple! Widescreen TV BEKO TV - teletext decoder Daewoo TVs on the WP-811N chassis Panasonic TVs on the MX-XNUMXS chassis TVs on the chassis 11AK30 from VESTEL TVs on the Daewoo СР-185 chassis Daewoo TVs based on WP-811N chassis Telegraph generator for UW3DI transceiver Telegraph key with memory Telegraph simulator for learning Morse code Telecommunications in the XNUMXst century Telecommunication cabinets. Temperature stabilization Telematics - mobile information service TV transmitters of Ukraine TV and radio transmitters of Ukraine TV and radio fair 2006: new technologies in Ukraine TV and radio fair presents Telefax company AUDIOVOX AFX-2000 Phone on the go and safety Telephone set-top box to radio station or each Alan via interface Phone piracy and ways to protect against it phone nofelet DECT telephone sets Panasonic KX-TCD410 412RUS, KX-41RUS Telephone amplifiers with preamplifiers on popular op-amps Telephone answering machine Panasonic KX-T2365 telephone set: its features, typical malfunctions and their elimination Telephone set on chips of the KR1008VZH series Phone blocker Telephone pulse dialer KR008VZh28 Telephone switchboard for protection of telephones connected in parallel from eavesdropping telephone limiter Telephone repeater for the deaf Phone amplifier for DVD player The telephone is 125 years old! The dark side of Pb-free technology from the RoHS directive Temperature Sensors Dallas Semiconductor Strain gauges DALI thermal imaging dual vision systems Thermistor initial current limiters from Ketema Hot air soldering station from ATTEN Thermometer mini Temperature controller Temperature controller for household incubator Temperature controller for an incubator on a powerful transistor Temperature controller for cooling system Temperature controller with high temperature accuracy Temperature controller with electronic thermometer for the wintering pavilion of bees Thermostat... in two hours Thermoregulators and thermometers by Master MURATA thermistors Thermal relay Thermostat with latch Wide Spacing Heat Stabilizer Thermostat for home incubator Thermostat with Pt 1000 sensor Tester as an indicator of the operation of the transmitting path of the radio station Tester for testing quartz resonators Zener Diode Tester Tester for Darlington transistors Available Parts Tester Reflex tester transistor tester Probe tester Testing joysticks in field conditions (without prefix) OFDM modulation technique Technical operation of modern digital networks PC Power Supply Fan Maintenance Technologies for improving the quality of a television image Technology tips for radio amateurs Mobile Intel Centrino Technology Blue Tooth Technology - Bluetooth Two-Way Paging Technology Manufacturing technology of a transformer for a low-power pulsed power supply unit from amateur radio trash Technology for processing television image signals and improving its quality TV picture enhancement technology Typical malfunctions of music centers and ways to eliminate them Wicop Series Generic LED Modules from Seoul Semiconductor Europe Chip package types Types of housings for electronic radio components Thyristor optocoupler, or about one feature of the optothyristor, which in reality is not one Thyristor photorelay Thyristor voltage regulator - a link in the automatic system Thyristor level controller Symmetrical thyristors (triacs) Quiet VHF receiver In-circuit fault current locator Tone generator and inductive probe - the most necessary devices for information network specialists Top 10 Modern Innovations in Electronics and Connectors Toroidal transformers in single-ended tube UMZCH class Spot welding from old TVs Dot frequency indicator of receiver tuning Transistor optocouplers in analog circuits Transistor voltage divider Transistor switch with overload protection Transistor receiver VEF&202 Transistor Audio Frequency Power Amplifier Transistors and amplifiers on them Transistors used in horizontal video monitors Trunking: equipment for users Trunking system ACCESSNET MPT1327 protocol trunking systems Trunked radio systems Trunking communication systems: types and classification Trunked radio systems Transverter 27/1,8 MHz Radio beginner transceiver Beginner radio amateur transceiver ART-ALPHA Transceiver SDK-02 PAL-SECAM transcoder for on-air and cable TV studios Transcoder on IC TDA3592A SECAM/PAL transcoders Transformers for switching power supplies Transformers for T/E/CEPT/ISDN-PRI interface Power transformers High voltage proximity alarm 1158ENXX XNUMX-terminal voltage regulators with low throughput voltage Three-way speaker system Three-way compact speaker system Three-band UMZCH XNUMX-band equalizer Three-program radio receiver as part of an all-wave Three-stage AC voltage regulator for heavy loads Three-phase multivibrator in electronic toys Three-color heatsink overheating indicator Three simple audio devices Three schemes of autonomous power supplies on the 555th timer Three schemes of metal detectors Variable trigger Triggers on optocouplers Thrice Unlice? No - shortwave. History of Ivan Dzhakov Tricolor TV - multi-program Russian STV Trinistor switch Triodes, tetrodes and pentodes TTL-CMOS logic probe TTL compatible 74HCT family CMOS logic Tunnel diode: evaluation, selection and practical application Tuner for VHF-FM radio stations Tuning the injection car engine Simple phones have simple repairs Increasing the output power of the car radio Increasing the output power of wearable audio equipment Extending the range of the 900 MHz radiotelephone Increasing the communication range of the radio intercom Lorta RPU-001 Increase in the number of tested cores Increasing the number of remote control programs UHF for TOLI Double the number of channels Extender for a simplex radio station in the range of 26 ... 29 MHz Convenient program for drawing circuit diagrams sPlan 5.0 / sPlan 6.0 with Russian interface Convenient sound probes Convenient assembly tool for the radio amateur Convenient solder TV soft turn on unit Narrow-band high-frequency IF (built on the principle of the Yuzvinsky circuit) Nodes and Blocks of the User Interface Hi-End Tube Amplifier Assemblies UHF for low voltage receiver VHF FM receiver from 3-program loudspeaker VHF antenna Log-Yagi VHF antenna UT5VD dual-band VHF traveling wave antenna VHF antenna with circular polarization VHF antenna with controlled field polarization VHF resonator powered antennas VHF for gardener VHF converter for computer TV tuner VHF converter with quartz local oscillator VHF receiver VHF prefix to DV-SV receiver VHF prefix on microassembly KXA058 VHF radio microphone VHF power amplifier UA9UDQ on a GI-7B lamp with transformerless anode power supply VHF power amplifier UR5YW on ceramic-metal triode GI-7B VHF power amplifier UR5YW on transistor KT931 VHF amplifier with 50W output power VHF FM receiver on a specialized chip KHA058 VHF electronically switched antenna VHF set-top box to a three-program loudspeaker Ukraine joins Intersputnik Ukraine: course towards digital broadcasting Ukraine - its own amateur radio satellite Ukrainian State Center for Radio Frequencies: a conversation with a radio amateur at a professional level Note to the Ukrainian RAS Christmas tree top decoration Improve sound on TVs Improved Receiver Selectivity Image enhancement for Funai VCR VIP-5000LR Improving the sound quality on the Grundig P37 TV Improving the picture quality of older tube TVs Improve the picture quality of the TV. New TV antennas Sync Selector Improvements Improving the phone Eleton-214 Improving the performance of electronic wristwatches Improved UMZCH output stage on field-effect transistors Ultrasound against rodents ultrasonic security device ultrasonic metal detector Temperature compensated ultrasonic level transmitter Ultra-bright LEDs from Vishay UMZCH + memory for e-book UMZCH 2x200 W UMZCH 2x4 W with pulsed power UMZCH without general negative feedback of the High-End class UMZCH for CD player UMZCH for computer UMZCH for a computer and accessories for it from a tape recorder UMZCH for a microcalculator UMZCH for the player UMZCH for an old computer UMZCH for function generator UMZCH from car radio UMZCH class AB without thermal distortion UMZCH on bipolar transistors with TOC UMZCH on KIA chips UMZCH on a TDA1552Q chip UMZCH high power with shallow environmental protection UMZCH with a high frequency of the first pole UMZCH with a bridge output stage UMZCH with low-voltage power supply UMZCH center channel or subwoofer for a stereo system Voltage multipliers Empowerment UMZCH Universal 3-channel color music box 2400W/220 Universal color music 3-channel prefix 2400/220 Universal digital frequency scale with CAFC Universal 16-channel light-dynamic device with an integrated programmer Universal charger Universal security device for car and home Universal Direct Conversion CW Transceiver Universal car OBDII scanner (ELM327) Universal car probe Universal power supply Universal oven control unit Universal phone blocker Universal RF path SSB-KB transceiver Universal high-frequency thermal stabilizer Universal gas soldering iron SP-1K (SuperPro 125) Universal GSS with LF modulator Universal bell Universal quartz holder for IG-300 Universal logic probe Universal microphone amplifier Universal power stabilizer module Universal load control module Universal powerful power supply Universal adapter for prototyping simple devices on microchips Universal probe High Frequency Universal Reversing Amplifier Universal Signal Generator Universal voltage regulator for photo equipment, mobile phones and USB devices Universal stereo decoder Universal stereo UMZCH 2x22 W in a computer power supply case Universal counter Universal thermostat Universal VHF receiver Universal UMZCH Universal Amplifier Universal chemical agent KONTAKT 40 Unique Dual Row Mega-Fit™ Molex Power Connector Series ULF for radios ULF with low voltage supply ULF transceiver Packing machine using PIC16F873 microcontroller Christmas tree lights control by microphone Power load management at remote sites using communication channels Power circuit management SCM control with one handle Control of three-phase brushless electric motors using microcontrollers of the ST7MC family from STMicroelectronics Tuner control Manage electronic devices by phone Controlled ceramic diodes Controlled oscillator on D-flip-flop PC controlled oscillator on 555 timer Light controlled switch Controlling security device GSM Guardian BM8039 Simplified calculation of active filters Simplified grinder repair Power element fan control Level transmitter for electrically conductive media PicBasic Pro programming lesson Power socket training lessons D-Class Amplifiers Amplifiers and modulators for cable networks Voltage amplifiers without environmental protection (review of circuit solutions) Low-frequency amplifiers on microcircuits LF radio amplifiers IF amplifiers Retro Amplifier Video amplifier Amplifier for CD player Alarm Amplifier Amplifier for measuring Thiel-Small parameters Amplifier for isodynamic headphones ECHO N16-40S Amplifier for modulator subwoofer amplifier Hearing Aid Amplifier Amplifier for ultrasonic radar Recording amplifier for high quality tape recorder Amplifier for cassette recorder phone amplifier Power amplifier 144 MHz on two lamps GU34B Power amplifier 34 on the chip K174UN7 Power amplifier KB radio station with grounded anode 150...170 MHz power amplifier with overload protection Power amplifier for contact thermometer Power amplifier for single channel portable player power amplifier Power amplifier for MW radio station Power amplifier and power supply for a personal radio station Power amplifier from CD changer Power amplifier on GK71 to imported transceiver Power amplifier for GU-74B with automatic quiescent current control Power amplifier on the TDA7294 chip and the possibilities of its application Amplifier on TDA1521 in the PSU case TES-12-3-NT Amplifier on IC APA2308 for headphones Amplifier on KR436AP Bass amplifier (2x15 W) (TDA2005) for car IF amplifier with high efficiency AGC Noise canceling amplifier Amplifier with TOC S. Lozitsky and its refinement TV antenna amplifier Phone call amplifier (10W) Phone call amplifier 10W Amplifier-corrector Nikitin in the player Electronics-EP-017 Amplifying stages with feedback 1 to 4 video splitter amplifier Alarm improvement Improvement of the radio receiver Meridian RP 348 Improvement of the radiotelephone Recor model RC-3002 SNZ Improvement of the satellite tuner Lorta TST-001-1 Improvement of TV UPIMTST Improvement of TV sets of the 3rd - 5th generations. Improvement of the radio channel. Teletext decoder module TXT-107 Improvement of TV sets of the 3rd - 5th generations. Improvement of the radio channel. New submodule of the radio channel SMRK-97 Improvement of TVs of the 3rd, 4th generation Electron Amplifier improvement Improving the amplifier Radio engineering U-101-stereo Improvement of color TV sets of the 3rd - 5th generations. The latest TV blocks. Color frame-in-frame module Improvement of color TV sets of the 3rd - 5th generations. The latest TV blocks. External switching board PVK-107 Improvement of color TV sets of the 3rd - 5th generations. The latest TV blocks. Ways to upgrade TVs using systems and blocks developed by LDS ND Corp Improvement of color TV sets of the 3rd - 5th generations. Image quality improvement. Color module MC-97 Improvement of color TV sets of the 3rd - 5th generations. Improvement of service possibilities. Remote systems with graphics advanced toy Advanced car watchman Improved transformerless tube-transistor UMZCH Advanced alarm clock Advanced mains powered timer Improved UMZCH with an output stage on bipolar transistors and current feedback Installing an antenna for receiving NTV + programs Installing a PAL decoder in a UPLCT TV Plant for melting brass or bronze Installation and configuration of a satellite dish Installing the remote control module MU-56 (55) in the Orizon TV model 51TC-449D Installing the MP-41 module in the Orizon TV Installation of the deflecting system OS-90.38PTs12 in the ZUSST TV Installation of SLE in TVs with PTK Setting the Tape Speed by Hearing Installing SMTs-52 in a TV Horizon 51TTs412 Troubleshooting the Hyunday HDP-920 Printer Troubleshooting and simple modifications of telephone sets Troubleshooting the monitor's horizontal image size adjustment circuit Troubleshooting a Sharp TV Troubleshooting Audio on a Portable TV Troubleshooting Fax Eliminate ringing on an extension phone Elimination of interference when powered by a network of sensitive radio receivers Elimination of the causes of premature aging of the kinescope Eliminate crackling in a phone with a rotary dialer Troubleshooting a Samsung SyncMaster LCD Monitor Common Problem Devices and repair of household microwave ovens Active information protection devices Spektr-1000/1500 Devices for afterburning kinescopes Devices for charging Ni-Cd batteries Pulse shaping devices Overvoltage protection devices Telephone line protection devices against unauthorized access Battery Monitoring Devices Devices on a capacitive three-point Audio signal processing devices: XNUMX-band dynamic noise reduction filter Synchronization devices Thermal protection devices for UMZCH Lighting control devices Devices that eliminate surge currents when connecting powerful amplifiers to the network Automatic battery charger Contactless control device using 125 kHz RFID cards Phone blocking device when dialing a specific number Number 8 blocking device The device of inclusion of chains on a sound signal Pump remote control 220V AC wired remote control A device for automatically maintaining a car battery in a charged state during storage Device for automatic recording of telephone conversations Acupuncture device Device for detecting bugs Device for galvanization and medicinal electrophoresis Device for dynamic braking of a single-phase asynchronous capacitor motor Cell phone battery charger in the field Battery charger Device for measuring the length of light waves Vehicle voltage control device A device for monitoring fluid in hydraulic systems of brakes and clutches of a car A device for monitoring the voltage of a car battery Device for monitoring the functioning of nodes on microcircuits of the 511 series Device for winding tape cassettes of the circulation complex A device for facilitating the inclusion of a kinescope Device for limiting the operation of the multimeter Device for determining the fat content of milk Device for scaring moles Device for digitizing analog audio signals Device for communication between the driver and the passenger of a motorcycle Device for maintaining indoor air humidity Heating device Device for carrying out physiotherapy treatment Device for testing infrared remote controls VM139 Device for checking the health of personal computers Device for testing quartz resonators MOSFET Tester Spark plug tester Device for checking telephone sets Device for checking electronic speedometers Device for extending the life of TV kinescopes Device for extending the life of kinescopes of color TVs Device for ringing multi-core cables Device for discharging Ni-Cd batteries Device for reverse motor of washing machines Light effect device Device for LED illumination Device for interfacing PC and transceiver Temperature control device Device for controlling single-phase asynchronous motors Car battery charger Nickel-cadmium battery charger Protective disconnection device for consumers from the mains 230 V / 50 Hz Device for protecting equipment from mains voltage fluctuations Device for protecting household appliances from abnormal voltages in the network kinescope protection device Low power network protection device CRT filament protection device Mosquito repellent device, or mosquito bite on mosquitoes Surge protection device Electricity consumer protection device Three-phase motor overload protection device DC circuit overload protection device The device and parameters of color image kinescopes The device and repair of the power supply of the fax machine Panasonic KX-F50 Installation and repair of household microwave ovens Device and repair of the impulse adapter CP-PWR-CUBE-3 Installation and repair of STV receivers SAMSUNG series DSB 300 and DSB 350 Installation and repair of digital STV receivers BOX 500, GLOBO 7010CXE and OPTICUM 7100CXE Installation and repair of digital STV receivers TOPFIELD TF5000CI The device and repair of the electronic tester 47NS The device and operation of a switching power supply company MEAN WELL Selective two-wire communication device Battery charge monitoring device Fan health monitoring device in rooms with batteries Remote object control device Device for monitoring the state of the network supplying radio equipment Device for monitoring the status of remote objects Three Battery Monitor Electronic clock correction device by radio mobile phone device Mobile phone device Inductor winding device Optical burglar alarm device The device of individual parts of a mobile phone (batteries) Burglar alarm device Alarm security device for buildings of a rural farmstead Device for transmitting pulse signals over the mains 220 V Paging device for CB radio station Soft start device for incandescent lamps Device for connecting audio input to a PC Dimming device for incandescent lamps 220 V / 300 W Electronic clock backup device Light effects device Lighting device on the microcontroller Vehicle emergency signaling device Stateful scanner Samsung SVR.121 video recorder interface device with Electron Ts380 TV Device for interfacing a video recorder with TVs 3USCT, 4USCT Ad Killer Device Household fan control device DC motor control device Bathroom lighting and fan control Tape recorder mode control device Mayak-233-STEREO Lighting control device for toys and models Vehicle brake light control device Powerful speed control device Phone time tracking device Reversible DC Motor Control Signal Conditioner Electronic control device for household refrigerator VHF tuning electronic control device Device, fault diagnosis and repair of digital STV receivers GOLDEN INTERSTAR GI-S770CR, GI-S805CI Xpeed Class Device, fault diagnosis and repair of digital STV receivers BIG SAT BS-S 501 Xtra and GLOBO 4100C Hourglass simulating device A device that extends the life of the kinescope A device that controls the on / off of lighting fixtures Iron with sound indication of heating UV currency detector from a cheap flashlight Tuning frequency drift on JVC model C-21 OHM Educational demonstration complex Principle of radio communication Phase modulator on logic chips Fax modems and multifunction devices as an alternative to telefax The LDE phenomenon Lissajous figures Physiological tone control Filter for electroluminescent lamp Power filter for embedded computer peripherals Noise filters Flash memory in radio equipment Soldering flux Formation of the software test table UEIT Reciprocal shapers Timing Diagram Maker Pulse sequencer Network pulse shaper Shaper of the optimal ignition timing TV Signal Conditioner Three-phase low-frequency signal conditioner for SSB radio station Forming devices on IC Forming the pins of planar microcircuits Panasonic C-325ST and C-D325ST cameras fractal antennas Milling and cutting machine for radio amateur Functionality of digital radio receivers function generator Characteristics of CYRIX microprocessors Characteristics of microprocessors of the fifth and sixth generations of INTEL Characteristics of square-wave generators on CMOS chips Typical malfunctions of the TV power supply Electronics-Ts430 / Ts432 Chemical materials for electronics A good plate is a clean plate A good addition to the TV panel (review of DVD microsystems) Is it good for a radio amateur in the village? Chronic diseases of staffing DAC for transceiver Color, light and LED lighting Color graphics on 3rd and 4th generation TVs Color TV 6th generation Beryozka 54TTs-601D Color TV from the monitor Color and code marking of domestic transistors Color dynamic indication in GUI Color music on Tiny-15 Color music is a little different color music devices Central locking with iButton for car Cyclic timer Cylindrical strip antennas for digital terrestrial broadcasting and mobile communication systems Digital as a formula for the revival of the radio-electronic industry in Ukraine Digital-to-analogue intermediate frequency phase shifters Digital soldering station WSD 81i Digital diagramming is the basic technology of advanced communication systems Digital Timer with Power Regulator for Photo Printing Digital light and music device Digital TV in Ukraine Digital TV is gaining momentum Digital TV Broadcasting DVB-ATSC-ISDB Digital FM0 radio receiver EK-001D based on two MASTER KIT modules Digital USB thermometer BM1707 Digital circuit breaker for incandescent lamps on MOSFET transistors Digital automatic SWR meter Digital VHF Tuner Digital voltmeter Digital voltmeter on ADC KR572PV2 Digital voltmeter with self-calibration digital voice recorder Digital lock USB digital storage oscilloscope BM8021 MASTER KIT Digital Power Frequency Meter Digital heart rate monitor Digital code indicator Digital lexicon Digital pressure gauge digital megaphone Digital milliammeter Digital multichannel USB thermometer/thermostat MP707R Digital multimeter UNI-T M890-F Ham radio digital oscilloscope Digital radiometer Digital volume control Digital volume control on microcontroller Soldering iron digital power controller Digital sound effects synthesizer Digital stereo receiver 88-108 MHz Digital Stereo Low Frequency Amplifier Digital Lifestyle Digital counter Digital timer Digital tachometer attachment Digital thermometer BM8037_blue with up to 16 temperature sensors Digital Incubator Thermometer Digital thermometer on a MAX6675 chip and a microcontroller Digital thermometer thermostat Digital thermostat Digital wind vane for pointing amateur radio antennas Digital frequency counter Digital electronic thermostat Digital Terrestrial Receiver SEA-4114 Digital terrestrial tuner Openbox FT-6144 Digital echo sounder USB digital oscilloscopes MASTER KIT Digital voice recorders Digital multimeters TX-1 and TX-3 from Tektronix Tektronix Digital Persistence Oscilloscopes SEA C-8 digital oscilloscopes Digital potentiometers Dallas Semiconductor digital potentiometers Digital satellite television receivers Digital regulators for home UMZCH Motorola digital signal processors Digital telephones for C32 system Infineon digital transistors Digital cameras Digital cameras: batteries, chargers, power supplies Frequent malfunction of the UPCHZ-2M assembly Frequently Asked Questions about Fastrack Xtend Frequency dependent compressor for wired broadcast receivers Frequency range under control Frequency comparator Frequency meter - attachment to the multimeter Frequency meter - digital scale 100 kHz -1,4 GHz Frequency meters from Aceco Electronics Corp. Choose the frequency, but follow the rules. Law On Radio Private Resource of Ukraine Frequencies on a miniature standard quartz filter Souvenir watch on one gas discharge indicator and dekatron Watch-souvenir on one gas-discharge indicator IN-12B Watch-souvenir on one IN-14 gas-discharge indicator with an arrow indication of seconds What is Len-V missing? The shorter, the better? Black and white kinescope in color TV Black and white TV. Yesterday, today and tomorrow Black diamonds of the sixties. Diodes D302-D305 Four joysticks in one harness Four-channel microprocessor timer, thermostat, clock Four-tube receiver ARZ-54 Four Port Transformer Modules for T/E/CEPT/ISDN-PRI Interface FM audio transmitter What to do if you lose your mobile phone What to do if your household appliances are out of order due to a power failure What can a grandmother's player What is 3G and 4G? What is A-GPS? What is blue-ray? What is Voice over Internet Protocol? What is mini PBX What is a phone from the inside Sensitive room security sensor Sensitive radio microphone Sensitive sensor with switch-off delay Sensitive tuner with squelch ITECH IQfive Battery Miracle Analyzer Stepper motors and features of their application Stepper motor for conveyor Ball with light effect for the Christmas tree chess clock Chess computer or Grandmaster in your pocket. Overview of gaming devices Daugava six-lamp radiola Six-lamp radiola Minsk-58 Six-tube radio receiver Baltika and its modernization Six basic models of precision low-noise crystal oscillators for modern telecommunications and navigation equipment PWM modulators with linear and exponential output PWM speed controllers for low-power collector motors PWM control circuit on ICs L9610C, L9611C I2C bus for 2-line LCD and OLED displays with HD44780 controller Wide range small inductance meter Wide Range Digital RC Meter Broadband VHF antenna based on CD Broadband shortwave antenna Broadband resonant antenna Lastivka Broadband whip antenna with capacitive inserts Broadband SiGe microwave amplifiers from Sirenza Broadband antennas for digital radio and television systems Broadband Low Level Signal Amplifiers Broadband whip antennas with reactive loads Broadband Voltage Standing Wave Ratio Meter Broadband low-noise amplifier in the range 20...600 MHz Broadband module for frequency conversion and modulation of high-frequency oscillations Broadband power reversing amplifier Wideband Double Conversion Down Converter Broadband VHF dipole Broadband amplifier Broadband VHF amplifier Pulse Width Discriminator Pulse-width stabilizer on the timer KR1006VI1 Remote control encoder and decoder School of Young Radio Technicians spy video Whip antenna with central feed Transceiver squelch Squelch VHF FM radio station Probe for frequency meter Probe probe for checking and repairing amplifying stages of tape recorders, receivers, etc. Probes in amateur radio practice LM3909 Equivalent on Surface Mount Parts Load equivalent for UMZCH Exotic miniature galvanic cells Economizer for low-power household equipment. Automatic reduction of supply voltage in standby mode Economizer forced idling on the microcontroller Economic relay activation Economical battery powered fluorescent lamp Economical handheld multimeters from Velleman Economical power supply for antenna amplifier Economic Generator Economical bipolar power supply from unipolar Economical indicator of inclusion and discharge of accumulators Economical power supply for compact UMZCH Economical pocket electric flashlight Economic proofreader Economical UWB Power Amplifier Economical high-power LED luminaire for ham radio assembly table Economy LED Economy LED indicator Economical LED flashlight on a microcontroller Economic telephone informant Economical electronic flashlight economical chandelier Economical indicator of the presence of mains voltage 220 V / 50 Hz Ecosystem of security devices MASTER KIT for home, cottage, office and warehouse Expedition EM5F to the island Expedition to Besedikha Island Experimental ferrite sensor frame-rod for metal detector Koschey-18M (VM8043) Experiments with Android. Annex 1 Experiments with Android. Annex 2 Experiments with Android. Annex 3 Experiments with Android. Annex 4 Experiments with Android. Annex 5 Experiments with Android. Annex 6 Experiments with Android. Annex 7 Experiments with Android. Annex 8 Experiments with STM32. Experience 1 Experiments with STM32. Experience 2 Experiments with STM32. Experience 3 Experiments with STM32. Experience 4 Wi-Fi experiments. Montage 1 Wi-Fi experiments. Montage 2 Wi-Fi experiments. Montage 3 Wi-Fi experiments. Montage 4 Wi-Fi experiments. Montage 5 Wi-Fi experiments. Montage 6 Wi-Fi experiments. Montage 7 Wi-Fi experiments. Montage 8 Wi-Fi experiments. Montage 9 Experiments with the generator on KR1006VI1 Flashlight Experiments Operation of automotive 12-volt equipment from mains power supplies Maintenance and repair of compact fluorescent lamps Exponential Antennas Electric LED lamp Electric comb opener Electric flashlight on a lead-acid sealed battery with a charger Electricity - friend or foe? Electroacoustic parameters of the speaker Electric box for outboard motor Washing machine motor Ham radio electric drill Double Layer Electrolytic Capacitors Electromagnetic interference is a real danger Electric massager Electromechanical drive to the antenna matching device Electrical installation tool - how to choose? Touch control electronic music device Electric winder with microcontroller control Electronics in the engine cooling system Electronics and computer Electronic star Electronic game Who is faster? electronic canary electronic cuckoo Electronic insect trap Electronic babysitter Electronic printing Electronic roulette with LEDs Electronic candle electronic siren Electronic siren for car Electronic security alarm system Greenhouse electronic irrigation control system Electronic Snowflake Electronic ignition Electronic ignition for gas stove Electronic TV program selector Electronic ego for the disabled Electronic-mechanical fishing rod Electronic-mechanical lag Electronic switches to the oscilloscope Electronic kits WONDER-KIT Electronic metal detectors Electronic kits for radio amateurs Electronic devices for the blind Electronic ignition systems Digital Watch Electronic clock on four microcircuits Electronic clock with a fight based on a microcontroller Electronic clock Electronics 6-15 Electronic chess clock Electronic refrigerator defroster Electronic air ionizer YZ-140EAA electronic ballast for fluorescent lamps DELUX CFL electronic ballast Electronic drum Electronic ignition switch Electronic mass switch Electronic circuit breaker with current protection Electronic lock on chip card Electronic lock with proximity keys Electronic lock with double proximity key Electronic call Electronic moisture meter for various materials Electronic tuning fork Electronic load switch Electronic corrector Electronic LATR Electronic Pilot for scattered Electronic metronome Electronic micrometer for radio amateur laboratory Electronic micrometer, for measuring wire thickness Electronic decision kit MK135 Quick electronic ohmmeter Electronic security guard in the midday heat Electronic remote control switch Electronic cellar on the citizen's balcony Electronic fuse to protect power supplies Electronic wiper interrupter Electronic programmable timer type TM-2 and TM-3 Electronic dust collector Electronic reverbator Electronic volume control for indoor loudspeaker Electronic cricket Electronic traffic light Electronic whistle Electronic stopwatch Electronic semaphore Electronic current stabilizer for battery charging Electronic stethoscope Electronic watchman-economist Electronic transformer. What is inside? Electronic direction indicator Electrical equipment T-150K Lyra electric organ Electrocartridge-adapter for incandescent lamps Electric drive for honey extractor Electric drive for microdrill Electrostimulator Muscle stimulator Electrostimulator-probe Electrostimulators Elementary thermostat for an incubator Element base of digital devices Ellipses are twisted. Cauer filters in car audio CRT and LCD monitors: differences, disadvantages and advantages EMI for accompaniment Single-chip microcomputer emulator K1816BE31 Game console emulators energy basket EEPROM with serial access Terrestrial and satellite digital television Efficient Wi-Fi Storage Effective DVI solutions from X-TECHNO for system integrators Efficient SSB Transmitter Speech Phase Limiter Diver's echo sounder Echo board for CB radio station Echo repeater on ISD2560 Mobile phone anniversaries
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