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Below, in alphabetical order, are the titles of articles published in the journal. Radio Design from 1993 to 1998. To find out which issue of the magazine Radio Design published this or that article, use article archive search. 193PTs7 - frequency divider with variable Kdel 2-element antenna with switchable radiation pattern 4-element phased antenna 50 ohm attenuators AD8307 - logarithmic detector ALC in the output stage CQ Machine - CW/SSB digital tape recorder DDS synthesizer on AD9850 for HF transceiver Delta Loop at 21 MHz DSP in amateur equipment FT-450, FT-950, IC-7700 GP at 3.5-28 MHz HB9CV on 21 and 28 MHz HCMOS switch - 136 kHz converter ICOM 7800. The Rebirth of a Legend ISOM-7400 ICOM-746 on your desk J-pole antennas for 40 to 2 meters KB converter for CB radio KB transceiver URAL-RD Kenwood PSK31. Upgrades in TS-870 Kenwood TS-570D - digging deeper Magnetic Loop 7 to 29 MHz multiband antenna Noise Blanker in FT-990 transceiver Notch and band-pass filter PACKET RADIO for everyone QRP direct conversion transceiver Roofing filter for SDR-a SDR or HDR SSB modulator SSB/CW receiver on 160m SSB limiter TEN-TEC Corsair TEN-TEC Orion II TRIBANDER from a simple 27 MHz GP Upgrade Kenwood TS-480SAT Vocal Master - speech processor for QRP operators windom antenna YAESU FT-2000 And in the open field, the QUAD system Automatic quiescent current adjustment Automatic SWR meter Automatic tuner MFJ-993 Automotive KB antenna HB9ABH Active power supply of two vibrators Active low pass CW/NOTCH filter Analog microphone compressor English for radio amateurs Anode choke Antenna 2-element delta at 40m Antenna Jungle Job Antenna UA1DZ (vertical 9,3 m). Powerful Antenna Switch Antenna UA31AR with relayless control Antenna W5QJR Antenna vertical delta Antenna for WARC bands Antenna for low bands Antenna Small Delta 80m Antenna tilt frame Antenna inclined longwire with coaxial feeder Antenna with double frequency overlap Antennas SM0DTK Antennas Isotron Low frequency antennas Antenna switch 144 MHz Antenna Switch Antenna tuner or fool your radio Antenna filter for VHF radio AGC in YES-2002 transceiver AGC with adjustable release time Attenuators at the input of the radio receiver balance detector Second IF block. Preliminary processing Electronic ignition unit with octane corrector and multi-spark starting system Introduction to Packet Radio A look at the intermediate frequency amplifier Wave channel at 144 MHz Second UHF? The input part of the reverse path of the first IF of a small-sized KB transceiver RF converter in the transceiver Highly dynamic reversing amplifier Highly dynamic silos in a KB transceiver High quality PWM power supply 13,6V/0A High level mixer per m/s FST3125 High frequency noise measuring bridge Output stage on GU-43B with a lamp driver Headset GS111-A-18 Smooth Range Generator Hybrid RA with transformerless power supply Horizontal DELTA LOOP 80 and on all amateur bands GU-81M with common cathode Double minisquare Push-Pull Amplifier 150W Push-Pull Direct-Fed Power Amplifier Dual Tone Generator AGC detector Decibels and VSWR. Concepts - definitions bandpass filter Diode switching of filters of the main selection in the FT-990 transceiver Diplomas of St. Petersburg Director antenna for 23 cm band Remote Antenna Switch Additional restructuring step in R-99A Refinement of the GPA Refinement of the transistor PA CB-747 Refinement of the YES-98 transceiver Refinement of the transceiver Ural D-04 Radio surge protection Sound speech processor And again about the hybrid And again about pulsed power The perfect mixer Bandwidth change in Ural-D04 Measuring the frequency response of an antenna using the GKCh Measurement of the main parameters of the transceiver Measurements. Dual Tone Sound Generator RF current meter SWR and transmitted power meter On the subject of carrots How to increase the power of FT-817 How to make a preselector? How I smoked my Kenwood What frame shape is best? Pocket receiver of a familiar radio amateur Key mixers on chips UA2AO collection at the museum Compression versus limitation. Examples Bass Compressor Computer spectrum analyzer Antenna filter design Weekend design Shortwave transceiver URAL D-04 Correction filter Lamp push-pull silo bridge type Lamp push-pull silo bridge type (comments) MW tube amplifier Linear amplifier based on a ceramic-metal triode SSB logarithmic limiter for IF signal log-periodic antenna Log-periodic antenna at 40 m amateur measurements 144 MHz Low Noise Antenna Amplifier Low noise microphone amplifier Transistor power amplifier manipulation Beacons on KB MIS transistors in a power amplifier Microprocessor digital scale Microprocessor constructor Microtransceiver Tit microphone amplifier Microphone amplifier with differential input Microphone Amplifier: AGC Miniature SSB modulator Multi-band antenna with switchable radiation pattern 145 5 MHz multi-range vertical Yagi antenna Multi-range vertical UA4PA Multi-storey cascode power amplifier SSTV modem of the day Upgrades in IC-7Q6MK2G and FT-100 Modernization of a highly dynamic mixer Modernization of the main board URAL-D04 Modernization of the R-326M radio receiver Modernization of the R-143 radio station Yes-98M-CW Transceiver Upgrade Upgraded GPA in Yes-98M Bridge methods for measuring antennas Powerful high frequency mixers Powerful transformerless power supply Multibender vertical 40 m Soft limiter - DSB signal conditioner Directional antenna with wire vibrators Adjusting the quartz filters Our educational program. What is this animal - SWR? german square A little about GPA Several Ways to Improve the Efficiency of SSB Transmitters Low-frequency path of the receiver (transceiver) of an amateur radio station New Cushcraft Antennas - X7, X9 New Forse-12 Antennas New features of the old pyramid New HF transceivers from ICOM (review) New OMRON Miniature Relays New ICOM VHF radios New list of regional QSL bureaus New RA in Yes-98M transceiver New mixer at ShTL New D-2000M transceiver New transceiver ICOM-756S New transceiver YES-2002 DSB-CW driver New DAC for YES-98M transceiver Nostalgia no UW3DI or tunable preselector for techies who are in no hurry LF autoregulator in the radio LF AGC in TS-570 transceiver LF-speech processor About protecting the transceiver from overvoltage at the output of the power supply About quartz filters About some features, design and operation of high-power lamp RA About high dynamic range mixers Looking back Single Band Antenna Single chip DDS synthesizer Single-chip tape recorder Determination of the parameters of quartz resonators necessary for the calculation of ladder filters Again about the equalizer Features of broadband transformers The difference between PRESIDENT CB radios and similar equipment from other companies Vacation with a transceiver DX Hunter - performance improvement Parallel switching of lamps Parallel connection of tubes in amplifiers First mixer First receiver mixer on 74NS4053 Transmitting attachment for R-250 receiver Transmitting attachment for R-326 Converting a lamp RA from parallel to serial power Alteration of the radio receiver of the VEF series Switchable anode choke Transceiver Band Switching Recalculation of oscillatory circuits PCB and power amplifier Serious about frivolous Tronsivsr YES 97. Driver Errors in measuring SWR Connecting a multimedia headset Connecting an electret microphone Regulations on new radio amateur diplomas Practical implementation of the P-loop Preselector for Contesting Preselector-interference suppressor 1,8-30 MHz Direct Conversion Receiver Direct conversion receiver on SO meters The use of ESL K500LPI6 series microcircuits as frequency generators Lotions R-D 3m VK4JAM Yagi 10-element wire antenna DF9CY Simple and cheap dual band antenna Simply SDR receiver, spectrum analyzer or soft radio to any transceiver Simple RF-DC Converter Simple balanced modulator W3DUQ Simple power supply 13,8V / 25A A simple all-wave receiver A simple equalizer Simple parametric equalizer Simple frequency synthesizer Simple broadband noise generator Five band double square Working PSK31 Amateur radio antennas Radio amateur antennas with switchable radiation pattern R-326M radio receiver - into the transceiver Note to the developer. Selection of lamps Loop Antenna 40m loop antenna Loop Antennas Dnapazon stretch marks in RP Volna-K Calculation and manufacture of antenna filters Calculation of quartz filters Reversible amplifier stages with X-type feedback Reversing Converter Reversing amplifier Notch (NOTCH FILTER) quartz filter in the FT-901 transceiver Notch filter in R-399A Modes of commonly used oscillator pumps Recommendations for the operation of SSM2166 secret zone Transceiver power supply Network switching power supply Synthesizer based on DDS AD9850 Frequency synthesizer for KB transceivers frequency synthesizer woofer compressor AGC system in amateur radio equipment Mixers with transformers on long lines. Some experiments High dynamic range mixer More about the highly dynamic mixer Antenna matching and matching devices Coordination of antenna-feeder devices Antenna matching Antenna matching. Measuring instruments Antenna matching. First steps Antenna matching. tuners Coordination of the transceiver with an amplifier on a lamp with a common grid Connecting the transceiver and RA (a look at the problem) Spiral cone antenna UA3AO How to make beautiful false panels Voltage stabilizer 13.8V/20A Bandwidth reduction in FT-840 Telegraph manipulators Telegraph semi-automatic key Theory and practice of amateur antennas TETRO - RA on 4x GU-50 Technical review. Transceiver ICOM-718S Technical Review: IC-7200 and IC-7600 thick antenna LF path of a modern receiver (transceiver) 160 m transceiver path for beginners Transistor power amplifiers of the two-meter range Transistor Power Amplifier 120W Transistor Power Amplifier 80W Transceiver D-94. Main board Transceiver ICOM706Mk2 Transceiver ICOM-756PRO Transceiver ICOM-910H Transceiver Kenwood TS-480SAT(HX) Pegasus transceiver from TEN-TEC RA3AO transceiver. 15 years later Transceiver UA1FA Transceiver YES-2002. Circuitry Transceiver YES-97. Smooth range generator and impulse noise suppressor in the IF path Transceiver YES-97. GPA and PIP Transceiver YES-97. Digest Transceiver YES-97. Amplifier Transceiver YES-98 Transceiver and computer Transceiver from R-399A radio receiver Transceiver Rosa-3 Transceiver mode in the P-160 radio receiver Transceivers K1 and K2 Elecraft Transier D-94. Digest Transnver nz radio R-326M transformer transition XNUMX-way speech processor Narrowband heterodyne preselector Narrow-band telegraph filter High-frequency bridge - panoramic indicator Components of a small-sized HF transceiver Ten-Tec Delta-580 Transceiver Components (Overview) VHF antenna for 144 and 430 MHz VHF transverter set-top box for 28-144 MHz VHF: LNA on 144 and 432 MHz Universal matching device GP Plus Universal Antenna Analyzer Universal generator HF ground Universal microphone amplifier Universal surge protector Universal digital tape recorder Universal frequency modem ULF of the day of a homemade transceiver IF with high performance AGC ACOM 2000 amplifier and antenna switch high frequency amplifier Amplifier Power amplifier 150 W on 4 transistors IRF520 Power amplifier on 2 GU-72 tetrodes Power amplifier for GU-13, GU-50 (6P45) or GK-71 Power amplifier for GU-74B Power amplifier for GU-91 High dynamic range amplifier Voltage Controlled Amplifier and Digital Control Circuit Speech Limiting Amplifier Troubleshooting the built-in CW key Phase NOTCH filter Phase detector on an IC and a special case of its use Phase LF limiter Ferrite Magnetic Antenna Filters for 50 and 144 MHz bands Switched Capacitor Filters LPF to transistor power amplifier CW signal conditioner Halahup - 160 m receiving antenna CAFC stabilizes the local oscillator digital scale digital reverb Digital frequency synthesizer Digital modes of communication in amateur practice Sensitive SWR meter Broadband surround exponential vertical radiator Broadband mixer Broadband power amplifier Broadband power amplifier KB radio station Experimental DDS synthesizer electronic siren Electronic CW key Emitter follower - UHF with high dynamics Efficient antenna for CB-radio Efficient compressor with high quality Efficient CW/SSBI shaper
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