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934x Electronic (Amateur Radio) Articles
2.4-GHz Patch Antennas.pdf
2.4GHz Pringles Can Antenna.pdf
2m Interference Reduction System.pdf
2-Meter Transverter.pdf
5.7 GHz ATV Converter.pdf
6 Meter J-Pole.pdf
7 dB For 7 Bucks.pdf
10 Element 900 MHz Quagi.pdf
10 GHz ATV The Easy Way.pdf
10 GHz RF Preamp.pdf
10 GHz Varactor Tuned Gunn Oscillator.pdf
12V-to-24V Converter.pdf
13cm PSK Transceiver for 1.2Mbit Packet Radio.pdf
21st Century Radio Communications.pdf
23cm PSK Packet Radio Transceiver for 1.2 Mbit User Access.pdf
24-23 cm -Band Linear Power Amplifier Module M 57762.pdf
50 Ohm Wideband Detectors.pdf
75-Ohm Cable-Additional Options.pdf
80 Years With EF Johnson.pdf
144 MHz Stop-Band TVI Filters.pdf
432 Collinear From Coax.pdf
900-MHz Band-Whats in Store for Amateurs.pdf
902 FM-UHFs Final Frontier.pdf
902- to 144-MHz Receive Converter.pdf
902-MHz Loop Yagi Antenna.pdf
903-MHz Linear Amplifiers.pdf
1296-MHz Transverter.pdf
4800 Baud Modem Daughter Board.pdf
A 0.5-Watt 903-MHz Amplifier.pdf
A 2.3 GHz Prescaler.pdf
A 5.8 GHz Fully-Integrated Power Amplifier for 802.11a WLAN System .pdf
A 10 Dollar Phone Patch.pdf
A 10 GHz Super-Regenerative Receiver.pdf
A 10 MHz Timebase Clock for Frequency Counters- complete with a PLL for DCF77.pdf
A 10 W Power Amplifier for the 13cm Band using GaAs Technology.pdf
A 12 Volt to 12 Volt Converter.pdf
A 13 cm Fully Transistorized Transverter.pdf
A 13cm GaAsFET Power Amplifier Developed using the PUFF CAD Software Package.pdf
A 146 and 445 MHz J-Pole Antenna.pdf
A 900-MHz Parrot Repeater.pdf
A 3456 MHz Linear Transverter.pdf
A Beginners Course In Assembly Language.pdf
A Box to Measure RF Impedances.pdf
A Broadband Ham Network Crosses the Finish Line.pdf
A Cheap and Easy High-Speed Data Connection.pdf
A Circularly Polarized 60 GHz Microstrip Antenna.pdf
A Compact Two-Element 2-Meter Beam.pdf
A DIY Receiver for GPS and GLONASS Satellites.pdf
A Doppler Radio Direction Finder.pdf
A Five-Element 2-Meter Yagi.pdf
A Five-Element Quad Antenna for 2-Meters.pdf
A FM-Transceiver for 10 GHz with dielelectrically-stabilized Oscillator.pdf
A Guide to the Fourier Transform.pdf
A Gunn Oscillator Detector and Mixer Module for 24 GHz.pdf
A Gunn Oscillator for the 24 GHz Band.pdf
A High Gain Horn Antenna for 220 And 420 MHz.pdf
A High-Performance 2-Meter Transverter.pdf
A Homebrew D-Star Repeater.pdf
A Home-Made Automatic Noise-Figure Measuring System.pdf
A Home-made RF-Millivoltmeter.pdf
A Home-Made UHF-SHF Power Meter.pdf
A Home-made Ultrasonic Power Line Arc Detector.pdf
A Horizontally Polarized Omni-Directional Antenna.pdf
A Laser Transceiver for the ARRL 10-GHz-and-Up Contest.pdf
A Linear 1 W Power Amplifier for 2400 MHz.pdf
A Little Imp Coil Winder.pdf
A Look At Emergency Phone Numbers.pdf
A Look Inside D-Star Modulation.pdf
A Low Cost 1.2 GHz Pre-Scaler.pdf
A Marker Generator for 10 MHz and 1 MHz Markers.pdf
A Miniature HF to VHF AM-FM Receiver Using the NE605.pdf
A Modular High-Performance 23-cm ATV Transceiver.pdf
A Modulation and Ripple Level Meter.pdf
A New Method of Mounting and Feeding A Gunn Element Using a BNC Connector.pdf
A Noise Generator with Defined Noise Power for Applicaitons up in the Microwave Range.pdf
A No-Tune 2-Meter Bandpass Filter.pdf
A Perl-Tk Package for NEC Based Antenna Design.pdf
A PIC Based HF-VHF Power Meter.pdf
A PIC Of An IDer.pdf
A PIC SWR Meter.pdf
A PIC16F84-Based CW Decoder.pdf
A Portable Direction-Finding Antenna.pdf
A Portable Quad For 2 Meters.pdf
A Practical Synthesizer.pdf
A primer for transmission lines.pdf
A Primer on Digital Signal Interfaces.pdf
A Radio Pioneer.pdf
A Receiver for the VLF Time and Frequency Standard Transmissions from DCF 77.pdf
A Review of ABCD Parameters .pdf
A Review Of Coding Theory.pdf
A Rugged Compact Attenuator.pdf
A Sensitive Thermal Power Meter.pdf
A Simple Audio Notch Filter.pdf
A Simple dB-Linear S-Meter for Microwave Applications.pdf
A Simple Deviation Meter.pdf
A Simple Digital Power Meter.pdf
A Simple Noise Figure Meter.pdf
A Simple Pre-Amplifier For The 70MHz and 50MHz Bands.pdf
A Simple Receiver For The Beginner.pdf
A Single Stage 1500WAmplifer For 160-80-40 Meters.pdf
A Six Meter Moxon Antenna.pdf
A Spectrum Analyser for the Radio Amateur.pdf
A Spectrum Analyser In Your Shack.pdf
A Spectrum Analyzer for the Radio Amateur.pdf
A Sprectrum Generator for the 24 GHz Band.pdf
A Stable Crystal-Controlled-Source for 10.37 GHz.pdf
A Step Attenuator You Can Build.pdf
A Straight-Through Mixer for 24 GHz.pdf
A Survey of Direction Finding Techniques and Antennas.pdf
A Sweep Tuner for the VCO.pdf
A Temperature Controlled Oven.pdf
A Thermal Power Mount.pdf
A Thermal Printing Voltmeter.pdf
A Three And Half Band Yagi.pdf
A Tri-Yagi For 50 MHz.pdf
A Tuned Active Antenna.pdf
A UHF-SHF Marker Generator.pdf
A Uniquely Tuned 2 Meter Transmitter Hunting Loop.pdf
A Universal Sound-Vision Unit for FM-ATV Transmitters.pdf
A VHF-UHF-Microwave Transverter IF Switch.pdf
A Wavemeter for the Frequency Range 23.5 to 24.5 GHz.pdf
A Wide-Range RF-Survey Meter.pdf
Absolute Calibration of a Noise Source.pdf
Acoustic Field Generator.pdf
Active Antennas for the Frequency Range from 10 KHz to 50 MHz.pdf
Active Audio Filters.pdf
Active Filters.pdf
Active Magnetic Antennas.pdf
Active Reception Antennas- Observations- Calculations and Experiments.pdf
Add Remote Cotntrol to Your ICOM Transceiver.pdf
Air Hop-Light Beam Communicator.pdf
Aircraft Enhancement.pdf
Al Gross.pdf
All About Thermistors.pdf
All-Band Field Strength Meter.pdf
All-Purpose Op-Amps.pdf
Alpha-Theta Meditation Goggles.pdf
Alternative Options for Resolving HSMM Interference Issues.pdf
Amateur Radio and 802.11.pdf
Amateur Radio Networks and the Internet.pdf
Amateur Spread-Spectrum Experimentation.pdf
Amateur TV Transmitter.pdf
Amateur use of the optical spectrum - above 300 GHz.pdf
Amateur Wireless Before 1914.pdf
Amateur-Radio Applications of the Fast Fourier Transform.pdf
An Active Antenna for 160 to 4 meters.pdf
An Active Attenuator For Transmitter Hunting.pdf
An Amateur Radio Survival Guide For Linux Users.pdf
An ATV Transmitter for the 24 cm Band.pdf
An Audio-Noise-Based Voting Circuit.pdf
An Easy Dual-Band VHF-UHF Antenna.pdf
An Experimental Variometer.pdf
An EZ-Lindenblad Antenna for 2 Meters.pdf
An FM Spectrum Analyser.pdf
An Impedance Diagram for Transmission Lines.pdf
An improved BPSK for the 1.2Mbit RTX.pdf
An Inexpensive 10 GHz Dish System.pdf
An Inexpensive Low Noise Preamplifier for 432 MHz.pdf
An Inexpensive TDR.pdf
An Injection-Locked Oscillator for the 10 GHz Band.pdf
An interesting program APLAC.pdf
An Interesting Program MSTRIP40.pdf
An introduction to 4.9 GHz.pdf
An Introduction to Surface-Mount Devices.pdf
An Introduction To The Bilateral Transverter.pdf
An Off-Air 1988 kHz Frequency Source.pdf
An RF Ammeter.pdf
An RF-Probe for Test and Measurement Purposes.pdf
An S band to 70cm receive converter for P3D.pdf
An Ultra Modern Shortwave Radio.pdf
An Unconditionally-Stable- Low-Noise GaAs-FET Pre-Amplifier.pdf
An Up-Converter for Extending the Frequency Range of Signal Generators.pdf
Analog Delay Lines.pdf
Analog multiplex systems- the basics.pdf
Anatomy of a multicoupler.pdf
Anatomy Of A Repeater.pdf
Annie Get Your Gunnplexer.pdf
Another RF Combiner-Spliter.pdf
Antenna phasing 101.pdf
Antenna Support Structures For The Common Man.pdf
Antenna Wind Loading.pdf
APCO-25.pdf
Arduino Based Data Acquistion.pdf
Arduino The Experimenters Friend.pdf
Army Surplus CW.pdf
ARRL - Amatur Radio Handbok (1941).pdf
ARRL_Basic_Antennas.pdf
Astronauts on Your Repeater.pdf
Attenuation Of Electromagnetic Waves By Vegetation.pdf
ATV Handbook.pdf
ATV Transmitter from a Microwave Oven.pdf
Audio Amplifiers You Can Build.pdf
Audio Attenuator.pdf
Audio PreAmp ICs.pdf
Audio-Frequency Generator.pdf
Automatic Frequency Control and Supression of Acoustic Feedback in Conjunction with 10 GHz Transceivers.pdf
Automobile Ignition Substitute.pdf
Automotive RFI Elimination.pdf
Avoiding RF Oscillation.pdf
Back to basics- amateur radio.pdf
Balun Designs for Wireless-Mixers-Amplifiers and Antennas.pdf
Baluns Do We Need Them.pdf
Baluns For Microwave Applications.pdf
Barry Goldwaters Relections On Radio.pdf
Bat Detector.pdf
Behaviour of Reflected Pulses along Cables.pdf
Binaural Basics.pdf
Binaural Mikeset.pdf
Bionic Ears.pdf
BIOS Data Area Information.pdf
Brain Waves and Biofeedback Training.pdf
Bringing Digital Radio to Amateur Radio.pdf
Broadband Wireless Internet Access and Amateur Radio.pdf
Broadcast Band Interference.pdf
Bug Detector.pdf
Build a 2-Meter Intermod Notch Trap.pdf
Build a 3-Band Shortwave Converter For Your Car.pdf
Build A Brain Wave Feedback Monitor.pdf
Build A Crystal Filter To Solve VHF Interference.pdf
Build a Four-Level FSK Data Decoder Interface.pdf
Build A Semiconductor Laser System.pdf
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