| tech4/The Radio Amateurs Microwave Communications Handbook.pdf |
62.2 MB |
| tech4/Design and Realisation of Microwave Circuits.pdf |
18.9 MB |
| tech4/A DIY Receiver for GPS and GLONASS Satellites.pdf |
17.3 MB |
| tech4/Synthesised signal generator for 10 to 1800 MHz.pdf |
13.1 MB |
| tech4/The Gunnplexer Cookbook.pdf |
12.1 MB |
| tech4/The Laser Experimenters Handbook.pdf |
11.8 MB |
| tech4/4800 Baud Modem Daughter Board.pdf |
11.3 MB |
| tech4/Wireless Digital Communications-Design and Theory.pdf |
11.2 MB |
| tech4/Nifty E-Z Guide to D-STAR Operation.pdf |
8.9 MB |
| tech4/Practical LC Filter Design.pdf |
8.3 MB |
| tech4/VHF-UHF-SHF Measuring Methods Using a PC.pdf |
7.6 MB |
| tech4/Raspberry Pi in the Sky.pdf |
7.6 MB |
| tech4/An Active Antenna for 160 to 4 meters.pdf |
7.2 MB |
| tech4/DTMF Remote Control.pdf |
6.4 MB |
| tech4/IEEE 802.11 Experiments In Virginias Shenandoah Valley.pdf |
6.3 MB |
| tech4/Crystal Testing.pdf |
5.9 MB |
| tech4/Universal Synthesizer for Frequenices up and above 1000 MHz.pdf |
5.9 MB |
| tech4/Working With Digital Filters.pdf |
5.6 MB |
| tech4/Communications System Using Gunplexer Transceivers.pdf |
5.5 MB |
| tech4/Raspberry Pi In Your Shack.pdf |
4.7 MB |
| tech4/Active Reception Antennas- Observations- Calculations and Experiments.pdf |
4.5 MB |
| tech4/Exploits in Lightwave Communication.pdf |
4.5 MB |
| tech4/13cm PSK Transceiver for 1.2Mbit Packet Radio.pdf |
4.4 MB |
| tech4/Doppler Radar in the 10 GHz Amateur Band.pdf |
4.3 MB |
| tech4/An Ultra Modern Shortwave Radio.pdf |
4.3 MB |
| tech4/How To Use Duplexers.pdf |
4.3 MB |
| tech4/Build An Alphanumeric Pager Decoder.pdf |
4.2 MB |
| tech4/A Home-made RF-Millivoltmeter.pdf |
4.1 MB |
| tech4/Amateur-Radio Applications of the Fast Fourier Transform.pdf |
3.9 MB |
| tech4/Microwave path design- The Basics.pdf |
3.9 MB |
| tech4/A Beginners Course In Assembly Language.pdf |
3.8 MB |
| tech4/Sherlock in the XP Age.pdf |
3.8 MB |
| tech4/Isolators The Practical View.pdf |
3.7 MB |
| tech4/The Frontlines-HSMM.pdf |
3.5 MB |
| tech4/Microwave Spectum Analyzer On A Budget.pdf |
3.4 MB |
| tech4/A Receiver for the VLF Time and Frequency Standard Transmissions from DCF 77.pdf |
3.4 MB |
| tech4/Modern Design for Band Pass Filters Made From Coupled Lines.pdf |
3.3 MB |
| tech4/Spectrum Analyzer.pdf |
3.2 MB |
| tech4/The Global Positioning System.pdf |
3.1 MB |
| tech4/23cm PSK Packet Radio Transceiver for 1.2 Mbit User Access.pdf |
3.1 MB |
| tech4/Radio Astronomy And The Search For Extraterrestial Intelligence.pdf |
3.1 MB |
| tech4/Project 25 To Take Public Safety Into Next Century.pdf |
3 MB |
| tech4/A 13 cm Fully Transistorized Transverter.pdf |
3 MB |
| tech4/A Home-Made Automatic Noise-Figure Measuring System.pdf |
3 MB |
| tech4/Dont be Afraid of High-Frequency Transformers.pdf |
3 MB |
| tech4/Intermodulation Distortion.pdf |
2.9 MB |
| tech4/Modern Design of Stripline Low Pass Filters.pdf |
2.9 MB |
| tech4/Demystifying error-control coding.pdf |
2.9 MB |
| tech4/Doppler Direction Finder with Improved Characteristics.pdf |
2.9 MB |
| tech4/Microwave Lens Antennas.pdf |
2.9 MB |
| tech4/Fractal_Antennas_Part-1.pdf |
2.9 MB |
| tech4/Introduction to Digital Mobile Radio.pdf |
2.8 MB |
| tech4/Wideband Direction Coupler for VSWR-Measurements on Receiver Systems.pdf |
2.8 MB |
| tech4/Introduction into Spread Spectrum Technology.pdf |
2.8 MB |
| tech4/Arduino Based Data Acquistion.pdf |
2.7 MB |
| tech4/Using DSP Software for VHF Beacon Monitoring.pdf |
2.7 MB |
| tech4/Tracking Generator for Microwave Ranges 1.7 to 13 GHz.pdf |
2.7 MB |
| tech4/Wi-Fi for Hams.pdf |
2.7 MB |
| tech4/Smith Chart Fundamentals.pdf |
2.6 MB |
| tech4/NiCad Recycler.pdf |
2.6 MB |
| tech4/High Power Magnetron Transmitter.pdf |
2.6 MB |
| tech4/Frequency Generator to 4 GHz.pdf |
2.6 MB |
| tech4/Radio Interference Suppression.pdf |
2.6 MB |
| tech4/PIC-Gen Frequency Generator-Counter.pdf |
2.6 MB |
| tech4/From the bit to multi-carrier modulation - basics of digital modulation techniques.pdf |
2.6 MB |
| tech4/Control Your Devices From A Web Page.pdf |
2.5 MB |
| tech4/Tracking Generator From 1 MHz to 13 GHz for Spectrum Analysers.pdf |
2.5 MB |
| tech4/A Spectrum Analyser for the Radio Amateur.pdf |
2.5 MB |
| tech4/Lowes Loop for 432MHz.pdf |
2.5 MB |
| tech4/80 Years With EF Johnson.pdf |
2.5 MB |
| tech4/Direction Finding Receiver.pdf |
2.5 MB |
| tech4/The Early Work of Guglielmo Marconi.pdf |
2.4 MB |
| tech4/Using SINAD Voting Combiners.pdf |
2.4 MB |
| tech4/Frequency Counter with Harmonic Mixing for the UHF-SHE Amateur.pdf |
2.4 MB |
| tech4/The Man Who Invented The Future - Hugo Gernsback.pdf |
2.4 MB |
| tech4/Wideband Low-Noise Microwave VCO.pdf |
2.4 MB |
| tech4/Spectrum management and rebanding- quantifying channel capacity.pdf |
2.4 MB |
| tech4/Diversity Reception Helps Radio System Performance.pdf |
2.4 MB |
| tech4/Nextel E-SMRS.pdf |
2.4 MB |
| tech4/Precision Directional Coupler For Matching Measurements.pdf |
2.4 MB |
| tech4/Stabilizing the VCO Frequency by Means of Monostables.pdf |
2.4 MB |
| tech4/Spread Spectrum Communications.pdf |
2.3 MB |
| tech4/Inexpensive Multi-Megabaud Microwave Data Link.pdf |
2.3 MB |
| tech4/Home Brewing a 10 GHz SSB-CW Transverter.pdf |
2.3 MB |
| tech4/Back to basics- amateur radio.pdf |
2.3 MB |
| tech4/Analog multiplex systems- the basics.pdf |
2.3 MB |
| tech4/WEWN Shortwave Radio To Reach The Heart Of The People.pdf |
2.2 MB |
| tech4/A primer for transmission lines.pdf |
2.2 MB |
| tech4/The Fractal Antenna.pdf |
2.2 MB |
| tech4/VLF Up-Converter.pdf |
2.2 MB |
| tech4/Frequency - power standard for calibration.pdf |
2.2 MB |
| tech4/Absolute Calibration of a Noise Source.pdf |
2.2 MB |
| tech4/Digital Signal Processing.pdf |
2.1 MB |
| tech4/Hows Your Antenna.pdf |
2.1 MB |
| tech4/Get on 440-MHz ATV.pdf |
2.1 MB |
| tech4/N0GSG DSP Radio Direction Finder.pdf |
2.1 MB |
| tech4/A PIC Based HF-VHF Power Meter.pdf |
2.1 MB |
| tech4/Scanner Converter.pdf |
2.1 MB |
| tech4/Future Shock- A Conversation with Phil Karn KA9Q.pdf |
2.1 MB |
| tech4/High-Precision Frequency standard for 10 MHz.pdf |
2.1 MB |
| tech4/The Phasing Transceiver on 73 kHz.pdf |
2.1 MB |
| tech4/21st Century Radio Communications.pdf |
2.1 MB |
| tech4/Poor Mans Short-wave Radio.pdf |
2 MB |
| tech4/Designing Your Own Pads.pdf |
2 MB |
| tech4/Designing Chebyshev Filters for Practical Operation.pdf |
2 MB |
| tech4/An EZ-Lindenblad Antenna for 2 Meters.pdf |
2 MB |
| tech4/Spread Spectrum in Action.pdf |
2 MB |
| tech4/winSMITH- A computerized Smith chart.pdf |
2 MB |
| tech4/A Low Cost 1.2 GHz Pre-Scaler.pdf |
2 MB |
| tech4/Travelers Information Stations.pdf |
2 MB |
| tech4/The ABCs of communications towers.pdf |
2 MB |
| tech4/Al Gross.pdf |
2 MB |
| tech4/GaAsFET Power Amplifier Stages up to 5 W for 10 GHz.pdf |
2 MB |
| tech4/Surface-Mount Technology Primer.pdf |
2 MB |
| tech4/A 3456 MHz Linear Transverter.pdf |
2 MB |
| tech4/Emergency 911.pdf |
2 MB |
| tech4/An interesting program APLAC.pdf |
2 MB |
| tech4/Your Right To Use A Scanner.pdf |
1.9 MB |
| tech4/Use Direction-Finding To Trace Interference.pdf |
1.9 MB |
| tech4/Amateur TV Transmitter.pdf |
1.9 MB |
| tech4/Amateur Wireless Before 1914.pdf |
1.9 MB |
| tech4/HSMM.pdf |
1.9 MB |
| tech4/Interfacing Your Computer To The Poor Mans Spectrum Analyzer.pdf |
1.9 MB |
| tech4/Electronically-Switched Attenuators.pdf |
1.9 MB |
| tech4/A FM-Transceiver for 10 GHz with dielelectrically-stabilized Oscillator.pdf |
1.9 MB |
| tech4/How F-TDMA Can Improve Mobile Radio.pdf |
1.9 MB |
| tech4/Trapping Transients- Line Surge Protection.pdf |
1.9 MB |
| tech4/Capacitors- The Family Tree.pdf |
1.9 MB |
| tech4/Digital Technology Serves 2-Way Radio Communications.pdf |
1.8 MB |
| tech4/GMSK - The Modulation Used For Mobile Communications.pdf |
1.8 MB |
| tech4/An improved BPSK for the 1.2Mbit RTX.pdf |
1.8 MB |
| tech4/Practical Circuit Board Construction.pdf |
1.8 MB |
| tech4/NOAA Brings You Weather.pdf |
1.8 MB |
| tech4/Intermod- Getting the upper hand.pdf |
1.8 MB |
| tech4/Get In The Mediumwave Loop.pdf |
1.8 MB |
| tech4/A 10 GHz Super-Regenerative Receiver.pdf |
1.8 MB |
| tech4/D-Star.pdf |
1.8 MB |
| tech4/The IQ Modulator Described.pdf |
1.8 MB |
| tech4/CB Still A Favorite.pdf |
1.8 MB |
| tech4/Fiber Optics.pdf |
1.8 MB |
| tech4/Omnidirectional Waveguide Slot Antenna for Horizontal Polarisation.pdf |
1.7 MB |
| tech4/Connect Systems CS700 UHF DMR Handheld.pdf |
1.7 MB |
| tech4/Receiver Selectivity And How To Improve It.pdf |
1.7 MB |
| tech4/The VHF-UHF Primer-An Introduction To Propagation.pdf |
1.7 MB |
| tech4/The FOXBOX.pdf |
1.7 MB |
| tech4/An Unconditionally-Stable- Low-Noise GaAs-FET Pre-Amplifier.pdf |
1.7 MB |
| tech4/Digital RF Wattmeter with LC Display.pdf |
1.7 MB |
| tech4/HF Direction Finding.pdf |
1.7 MB |
| tech4/Design and construction of a high quality 100 MHz bandpass filter.pdf |
1.7 MB |
| tech4/Get On 222 MHz with a Ten-Tec 1210 Transverter.pdf |
1.7 MB |
| tech4/Single-Point Grounding For Communications Sites.pdf |
1.7 MB |
| tech4/Measuring 9600 baud BER Performance.pdf |
1.7 MB |
| tech4/Propagation Modes From ELF To SHF.pdf |
1.7 MB |
| tech4/A Homebrew D-Star Repeater.pdf |
1.7 MB |
| tech4/DIY Gain-Blocks.pdf |
1.7 MB |
| tech4/Venturing Underground with VLF Radio.pdf |
1.7 MB |
| tech4/A 13cm GaAsFET Power Amplifier Developed using the PUFF CAD Software Package.pdf |
1.7 MB |
| tech4/Input Filters For Receive Applications In The 144 MHz Range.pdf |
1.7 MB |
| tech4/Converting To Very Narrow Band- 12.5 kHz The Easy Way.pdf |
1.7 MB |
| tech4/Try Copper For 2-Meters-The Cu Loop.pdf |
1.6 MB |
| tech4/A Thermal Printing Voltmeter.pdf |
1.6 MB |
| tech4/Microwave Subsystem.pdf |
1.6 MB |
| tech4/SPI And The Printer Port.pdf |
1.6 MB |
| tech4/RF Transmission Lines.pdf |
1.6 MB |
| tech4/An Interesting Program MSTRIP40.pdf |
1.6 MB |
| tech4/A Radio Pioneer.pdf |
1.6 MB |
| tech4/Digital Wattmeter for the Bird 43.pdf |
1.6 MB |
| tech4/MIMP - Motorola Impedance Matching Program.pdf |
1.6 MB |
| tech4/A 10 W Power Amplifier for the 13cm Band using GaAs Technology.pdf |
1.6 MB |
| tech4/The Shape of Bits to Come.pdf |
1.6 MB |
| tech4/Cryptography The Secret Language Of Spies.pdf |
1.6 MB |
| tech4/Radio Path Profiles And The Fresnel Zone.pdf |
1.6 MB |
| tech4/An Impedance Diagram for Transmission Lines.pdf |
1.6 MB |
| tech4/The New Industrial Revolution-Packet Radio And Networking.pdf |
1.6 MB |
| tech4/Error Correcting In Data Transmission.pdf |
1.6 MB |
| tech4/A 2.3 GHz Prescaler.pdf |
1.6 MB |
| tech4/D-Star New Modes for VHF-UHF.pdf |
1.5 MB |
| tech4/Getting Started With The PICBASIC Pro Compiler And MPLAB IDE.pdf |
1.5 MB |
| tech4/Tunable VHF to SHF Bandpass Filter.pdf |
1.5 MB |
| tech4/Solid-State Linear Amplifiers for 33 cm.pdf |
1.5 MB |
| tech4/Anatomy Of A Repeater.pdf |
1.5 MB |
| tech4/The isolator- An RF traffic director.pdf |
1.5 MB |
| tech4/Universal sound card interface for digital modes.pdf |
1.5 MB |
| tech4/10 GHz ATV The Easy Way.pdf |
1.5 MB |
| tech4/Microwave Basics.pdf |
1.5 MB |
| tech4/50 Ohm Wideband Detectors.pdf |
1.5 MB |
| tech4/How Fleet Operators Keep Track Of Their Trucks.pdf |
1.5 MB |
| tech4/Tower Climbing Safety And Rescue.pdf |
1.5 MB |
| tech4/Light Beam Communicator.pdf |
1.5 MB |
| tech4/Diversity Antenna.pdf |
1.5 MB |
| tech4/Understanding Synthesizers.pdf |
1.4 MB |
| tech4/Poor Mans Spectrum Analyzer.pdf |
1.4 MB |
| tech4/SWR impedance and line loss.pdf |
1.4 MB |
| tech4/Micro-Stripline Antennas.pdf |
1.4 MB |
| tech4/The Poor Mans Caesium Clock.pdf |
1.4 MB |
| tech4/Lightning Protection-Taming Thors Thunder-On A Budget.pdf |
1.4 MB |
| tech4/A Noise Generator with Defined Noise Power for Applicaitons up in the Microwave Range.pdf |
1.4 MB |
| tech4/Tackling interference at the site.pdf |
1.4 MB |
| tech4/A Practical Synthesizer.pdf |
1.4 MB |
| tech4/Its About Time A Tour of WWV.pdf |
1.4 MB |
| tech4/Electroocardiograph.pdf |
1.4 MB |
| tech4/Radio Astronomy for the VHF-UHF Radio Amateur.pdf |
1.4 MB |
| tech4/Acoustic Field Generator.pdf |
1.4 MB |
| tech4/Two-Stage Low-Noise Preamplifiers for the Amateur Bands from 24 cm to 12 cm.pdf |
1.4 MB |
| tech4/Handy from Tandy - A 49 MHz to 50 MHz Modification.pdf |
1.4 MB |
| tech4/Microwave Directional Coupler with high Front-to-Back Ratio made from Semi-Rigid Circuits.pdf |
1.4 MB |
| tech4/A High-Performance 2-Meter Transverter.pdf |
1.4 MB |
| tech4/Toroids for the Terrified.pdf |
1.4 MB |
| tech4/Troubleshooting techniques 101.pdf |
1.4 MB |
| tech4/MSF Locked Frequency Reference.pdf |
1.4 MB |
| tech4/Pre-amplifier - Pros and Cons.pdf |
1.4 MB |
| tech4/The User Friendly Smith Chart.pdf |
1.4 MB |
| tech4/How To Use Line Sweeping To Maintain Antenna Systems.pdf |
1.4 MB |
| tech4/Air Hop-Light Beam Communicator.pdf |
1.4 MB |
| tech4/IEEE 802.11b-Friend or Foe.pdf |
1.3 MB |
| tech4/Tracking Emergency Beacons.pdf |
1.3 MB |
| tech4/TRBO Hits the Amateur Bands.pdf |
1.3 MB |
| tech4/APCO-25.pdf |
1.3 MB |
| tech4/The VOA At 50 Years.pdf |
1.3 MB |
| tech4/An Introduction to Surface-Mount Devices.pdf |
1.3 MB |
| tech4/Getting Started on Microwave ATV.pdf |
1.3 MB |
| tech4/Make VHF cavities from over-the-counter hardware.pdf |
1.3 MB |
| tech4/New ADV and Revolutionary HSMM-MESH at Ham-Com.pdf |
1.3 MB |
| tech4/The Digital Circle of Life.pdf |
1.3 MB |
| tech4/Signal-to-noise ratio.pdf |
1.3 MB |
| tech4/Voltage-Controlled Tuned Wideband Oscillators.pdf |
1.3 MB |
| tech4/1296-MHz Transverter.pdf |
1.3 MB |
| tech4/MDTs All You Wanted To Know About Them.pdf |
1.3 MB |
| tech4/DF Breakthough-Turkey Tracker.pdf |
1.3 MB |
| tech4/With GPS The Future Has Arrived.pdf |
1.3 MB |
| tech4/Cognitive radios close to major advance.pdf |
1.3 MB |
| tech4/Estimating Radio Range.pdf |
1.3 MB |
| tech4/Experimental 430 MHz Wire Antennas.pdf |
1.3 MB |
| tech4/Microwave Home Brew 10 GHz Receive Converter.pdf |
1.3 MB |
| tech4/The VHF Log Periodic Yagi.pdf |
1.3 MB |
| tech4/Build A Crystal Filter To Solve VHF Interference.pdf |
1.3 MB |
| tech4/The Crawley Power Meter.pdf |
1.3 MB |
| tech4/Tone Decoder.pdf |
1.3 MB |
| tech4/All About Thermistors.pdf |
1.3 MB |
| tech4/Switch-Mode Power Supplies.pdf |
1.3 MB |
| tech4/Filters and Ferrites in EMC.pdf |
1.3 MB |
| tech4/Automotive RFI Elimination.pdf |
1.3 MB |
| tech4/The PortaPeater.pdf |
1.2 MB |
| tech4/Video Signal Recognition - ATV Squelch.pdf |
1.2 MB |
| tech4/Spread Spectrum And Digital Communications Techniques.pdf |
1.2 MB |
| tech4/Tracking Down Bugs Using A Spectrum Analyzer.pdf |
1.2 MB |
| tech4/A Six Meter Moxon Antenna.pdf |
1.2 MB |
| tech4/A Box to Measure RF Impedances.pdf |
1.2 MB |
| tech4/Building a Decent RF Network.pdf |
1.2 MB |
| tech4/The Polly Audio Store.pdf |
1.2 MB |
| tech4/Direct Conversion Receivers.pdf |
1.2 MB |
| tech4/The Ten-Tec 6 Meter Transverter on 12 or 17 Meters.pdf |
1.2 MB |
| tech4/Little Orphan Radio GMRS.pdf |
1.2 MB |
| tech4/Dummy loads and smart choices.pdf |
1.2 MB |
| tech4/Radio-Astronomical Experiments in the 70cm Band.pdf |
1.2 MB |
| tech4/Ham Radio and VoIP.pdf |
1.2 MB |
| tech4/The Arrow Antenna.pdf |
1.2 MB |
| tech4/Receiver Sensitivity Signal and Noise.pdf |
1.2 MB |
| tech4/Design Of Active Butterworth Filters.pdf |
1.2 MB |
| tech4/Using a DRO as a Transmitter.pdf |
1.2 MB |
| tech4/Working With LED Display Drivers.pdf |
1.2 MB |
| tech4/Baluns For Microwave Applications.pdf |
1.2 MB |
| tech4/HSMM Radio Equipment.pdf |
1.2 MB |
| tech4/Building Your Own Weather Station.pdf |
1.2 MB |
| tech4/Reflection Coefficient And Reflection Angle.pdf |
1.2 MB |
| tech4/Spectrum Analyzer for VHF-UHF Amateurs Constructing a Home-Made Universal HF-Module.pdf |
1.1 MB |
| tech4/A Portable Quad For 2 Meters.pdf |
1.1 MB |
| tech4/Pulse Communication on 2300 MC.pdf |
1.1 MB |
| tech4/Barry Goldwaters Relections On Radio.pdf |
1.1 MB |
| tech4/RF attenuators- terminations- matching pads- loads.pdf |
1.1 MB |
| tech4/Broadband Wireless Internet Access and Amateur Radio.pdf |
1.1 MB |
| tech4/Introduction To Filters.pdf |
1.1 MB |
| tech4/Noise Behaviour of Zener Diodes.pdf |
1.1 MB |
| tech4/Build A Semiconductor Laser System.pdf |
1.1 MB |
| tech4/Anatomy of a multicoupler.pdf |
1.1 MB |
| tech4/Preventing microwave interference.pdf |
1.1 MB |
| tech4/Frequency Doubling using Semi-Conductor Diodes.pdf |
1.1 MB |
| tech4/The Dielectric Resonator.pdf |
1.1 MB |
| tech4/Measuring insertion loss of cavities.pdf |
1.1 MB |
| tech4/A Simple Digital Power Meter.pdf |
1.1 MB |
| tech4/Stripline Directional Coupler for 400 MHz to 3.6 GHz.pdf |
1.1 MB |
| tech4/Monitoring For Emergency Location Transmitters.pdf |
1.1 MB |
| tech4/A Cheap and Easy High-Speed Data Connection.pdf |
1.1 MB |
| tech4/RF Coil Dimensions - The Easy Way.pdf |
1.1 MB |
| tech4/SMT You Can Work With.pdf |
1.1 MB |
| tech4/Danger High Voltage- Mismatches can be harmful.pdf |
1.1 MB |
| tech4/Microwave Propagation in the Upper Troposphere.pdf |
1.1 MB |
| tech4/Intermodulation Properties of Switching Diodes.pdf |
1.1 MB |
| tech4/Circuit Design on Your Linux Box Using gEDA.pdf |
1.1 MB |
| tech4/Nonlinear Analysis-Simulation and Measurement of RF Amplifiers.pdf |
1.1 MB |
| tech4/Modulation Acceptance Bandwidth.pdf |
1.1 MB |
| tech4/Optocoupler Devices.pdf |
1 MB |
| tech4/VHF DF Loop Aerial.pdf |
1 MB |
| tech4/Untangling Digital Voice Above 50 MHz.pdf |
1 MB |
| tech4/Night-Vision Scopes.pdf |
1 MB |
| tech4/The First YL.pdf |
1 MB |
| tech4/Antenna Support Structures For The Common Man.pdf |
1 MB |
| tech4/Phase Lock Loop Stability Analysis.pdf |
1 MB |
| tech4/The Versatile 555.pdf |
1 MB |
| tech4/The Birth Of Satellite Communications.pdf |
1 MB |
| tech4/Transmitter noise- receiver desense primer.pdf |
1 MB |
| tech4/An Easy Dual-Band VHF-UHF Antenna.pdf |
1 MB |
| tech4/A Little Imp Coil Winder.pdf |
1 MB |
| tech4/A Tuned Active Antenna.pdf |
1 MB |
| tech4/Wideband Microwave Amplifier Design.pdf |
1 MB |
| tech4/How To Build A Transmatch For 2 Meters.pdf |
1 MB |
| tech4/Radiation Monitor.pdf |
1 MB |
| tech4/The value of ferrite RF isolators.pdf |
1 MB |
| tech4/The Inventor Of Radio Was Nathan Stubblefield.pdf |
1 MB |
| tech4/Photosensitive Devices.pdf |
1 MB |
| tech4/Multicoupler basics.pdf |
1 MB |
| tech4/DXing 2.4 GHz.pdf |
1 MB |
| tech4/The complex world of wireless E911.pdf |
1 MB |
| tech4/A Review Of Coding Theory.pdf |
1 MB |
| tech4/How To Link Mobiles To Form A Repeater.pdf |
1 MB |
| tech4/How to Design Analog Circuits-Biasing Transistors.pdf |
1 MB |
| tech4/Inside line-of-site propagation.pdf |
1 MB |
| tech4/The History and Future of Radio.pdf |
1 MB |
| tech4/Predicting coverage area is critical.pdf |
1 MB |
| tech4/Cellular Cryptography And GSM.pdf |
1008 KB |
| tech4/DTMF Encoding and Decoding.pdf |
1007 KB |
| tech4/Copper Loops For 222 and 440MHz.pdf |
1006 KB |
| tech4/Understanding Speech Inversion.pdf |
1005 KB |
| tech4/Service Monitors.pdf |
1005 KB |
| tech4/A 10 MHz Timebase Clock for Frequency Counters- complete with a PLL for DCF77.pdf |
999 KB |
| tech4/A Broadband Ham Network Crosses the Finish Line.pdf |
987 KB |
| tech4/Building a Pulse Generator.pdf |
987 KB |
| tech4/How Attenuator Pads Improve Impedance Matching.pdf |
987 KB |
| tech4/ATV Transmitter from a Microwave Oven.pdf |
986 KB |
| tech4/DIY Micro-Processors.pdf |
981 KB |
| tech4/How Mobile Radio Fading Affects Data Transmission.pdf |
981 KB |
| tech4/Measurement Arrangements for Complex Impedances.pdf |
978 KB |
| tech4/RF amplifiers- coming and going.pdf |
977 KB |
| tech4/Spectrum Monitor.pdf |
973 KB |
| tech4/Active Filters.pdf |
973 KB |
| tech4/Fixed And Variable Frequency Crystal Oscillators.pdf |
970 KB |
| tech4/Digital Amateur Television.pdf |
968 KB |
| tech4/Low-Band Converter.pdf |
968 KB |
| tech4/Receiver Front-end Limitations.pdf |
967 KB |
| tech4/Lightning and Overvoltage Protection for Radio Equipment.pdf |
967 KB |
| tech4/Active Antennas for the Frequency Range from 10 KHz to 50 MHz.pdf |
966 KB |
| tech4/A Simple Audio Notch Filter.pdf |
965 KB |
| tech4/Canny Cavaties.pdf |
965 KB |
| tech4/Wireless Networking.pdf |
965 KB |
| tech4/Paging technology- Systems and services.pdf |
964 KB |
| tech4/A Universal Sound-Vision Unit for FM-ATV Transmitters.pdf |
962 KB |
| tech4/Using Smith Diagrams.pdf |
962 KB |
| tech4/Microprocessor-Controlled Repeater Voting System.pdf |
959 KB |
| tech4/Surface Mount Technology-You Can Work With It.pdf |
959 KB |
| tech4/Measuring 2.4 GHz Helix Antennas.pdf |
958 KB |
| tech4/A Stable Crystal-Controlled-Source for 10.37 GHz.pdf |
957 KB |
| tech4/A 0.5-Watt 903-MHz Amplifier.pdf |
953 KB |
| tech4/Digital Logic Simplified.pdf |
951 KB |
| tech4/The Simple Simplex Repeater.pdf |
950 KB |
| tech4/Laser output meter.pdf |
948 KB |
| tech4/An FM Spectrum Analyser.pdf |
947 KB |
| tech4/Can HSMM Find a Real Home in Ham Radio.pdf |
946 KB |
| tech4/Compact BNC Attenuators.pdf |
945 KB |
| tech4/Digital Altimeter.pdf |
945 KB |
| tech4/Voice Of America Packs A Punch.pdf |
940 KB |
| tech4/The Guying Problem.pdf |
940 KB |
| tech4/Taking control of Project 25 systems- evaluation of control channels.pdf |
935 KB |
| tech4/IRLP-The Internet Radio Linking Project.pdf |
935 KB |
| tech4/FM-ATV in the GHz Range.pdf |
934 KB |
| tech4/Co-Channel Interference.pdf |
933 KB |
| tech4/The Secrets Of Paging Discover How They Work.pdf |
932 KB |
| tech4/Well-grounded principles.pdf |
931 KB |
| tech4/Synthesisers.pdf |
930 KB |
| tech4/Understanding Trunking.pdf |
929 KB |
| tech4/A Home-made Ultrasonic Power Line Arc Detector.pdf |
916 KB |
| tech4/Practical notes on the ferrite isolator.pdf |
915 KB |
| tech4/Quick Power.pdf |
913 KB |
| tech4/A Doppler Radio Direction Finder.pdf |
908 KB |
| tech4/A Sensitive Thermal Power Meter.pdf |
906 KB |
| tech4/Alternative Options for Resolving HSMM Interference Issues.pdf |
903 KB |
| tech4/Ham Radio Paging-Putting POCSAG On Packet.pdf |
901 KB |
| tech4/D-Arsonval Dossier.pdf |
900 KB |
| tech4/Active Audio Filters.pdf |
899 KB |
| tech4/Learning To Work With Diodes.pdf |
899 KB |
| tech4/TV Derived Frequency Standard.pdf |
898 KB |
| tech4/PRO-96 CQPSK Upgrade Released.pdf |
897 KB |
| tech4/Measurements on Resonance in Capacitors.pdf |
896 KB |
| tech4/Receiver Bandwidth And The FM Signal.pdf |
895 KB |
| tech4/Data Encryption is Legal.pdf |
892 KB |
| tech4/Fine-tuning for the RF isolator.pdf |
891 KB |
| tech4/Alpha-Theta Meditation Goggles.pdf |
888 KB |
| tech4/The V-Antenna on the Car roof for mobile Direction-Finding.pdf |
876 KB |
| tech4/The Use of Pringles Containers To Enhance Network Security.pdf |
875 KB |
| tech4/A VHF-UHF-Microwave Transverter IF Switch.pdf |
874 KB |
| tech4/Demystifying RF attenuators.pdf |
873 KB |
| tech4/A Laser Transceiver for the ARRL 10-GHz-and-Up Contest.pdf |
872 KB |
| tech4/Simple Locus Curves in the Smith Diagram.pdf |
870 KB |
| tech4/A Home-Made UHF-SHF Power Meter.pdf |
869 KB |
| tech4/Some Techniques for Building Ultra-Low-Noise Preamps.pdf |
866 KB |
| tech4/The next phase of modulation.pdf |
861 KB |
| tech4/Voltage Converters.pdf |
855 KB |
| tech4/Understanding Radio Waves.pdf |
855 KB |
| tech4/The Ghost Of Reginald Fessenden.pdf |
851 KB |
| tech4/Digital Data Decoder Interface Revisted.pdf |
851 KB |
| tech4/The Puzzle Of Propagation.pdf |
850 KB |
| tech4/Low Frequency Converter.pdf |
849 KB |
| tech4/A Tri-Yagi For 50 MHz.pdf |
846 KB |
| tech4/High-Performance Easy-to-Build 432-MHz Transverter.pdf |
844 KB |
| tech4/Pager Handbook for the Radio Amateur.pdf |
843 KB |
| tech4/Analog Delay Lines.pdf |
843 KB |
| tech4/Carrier Current Receiver.pdf |
842 KB |
| tech4/Caveman Radio.pdf |
842 KB |
| tech4/Testing Motrons Transmitter Fingerprinter.pdf |
841 KB |
| tech4/Powell Crosley The Baron Of Homespun.pdf |
839 KB |
| tech4/How To Use DC Voltage Regulators.pdf |
839 KB |
| tech4/Transistor Calculations using Rules of Thumb.pdf |
831 KB |
| tech4/7 dB For 7 Bucks.pdf |
829 KB |
| tech4/Antenna phasing 101.pdf |
825 KB |
| tech4/The key to RF signal amplifier specs.pdf |
824 KB |
| tech4/The ABCs of Propagation.pdf |
824 KB |
| tech4/An introduction to 4.9 GHz.pdf |
822 KB |
| tech4/Using Radar Data to Predict Rain-Scatter Paths.pdf |
821 KB |
| tech4/Magnetic DC Leakage Fields From Cables.pdf |
820 KB |
| tech4/RF switching with PIN diodes.pdf |
818 KB |
| tech4/Mutual-Aid Channels For Interoperability.pdf |
817 KB |
| tech4/Extracting Stable Clock Signals From AM Broadcast Carriers for Amateur Spread-Spectrum Applications.pdf |
814 KB |
| tech4/RE-EZ Shortwave Receiver.pdf |
814 KB |
| tech4/Power FETs vs Bipolars at RF.pdf |
809 KB |
| tech4/903-MHz Linear Amplifiers.pdf |
808 KB |
| tech4/Splat-Signal Analysis Tool.pdf |
804 KB |
| tech4/The Transmission of Electro-Magnetic Waves In Rectangular Waveguides.pdf |
803 KB |
| tech4/Improving digital radio voice quality.pdf |
802 KB |
| tech4/RF samplers and directional couplers.pdf |
801 KB |
| tech4/Tone signaling over telephone lines- A technicians primer.pdf |
801 KB |
| tech4/5.7 GHz ATV Converter.pdf |
798 KB |
| tech4/Reverse Polarity Protection.pdf |
798 KB |
| tech4/CW Modulator Using Pin Diodes.pdf |
794 KB |
| tech4/Electronic Dazer.pdf |
791 KB |
| tech4/Down-Under Depth Sounder.pdf |
789 KB |
| tech4/Site noise vs system noise figure.pdf |
788 KB |
| tech4/Cheap Antennas for LEO Satellites.pdf |
787 KB |
| tech4/An Amateur Radio Survival Guide For Linux Users.pdf |
786 KB |
| tech4/Behaviour of Reflected Pulses along Cables.pdf |
785 KB |
| tech4/Combustable Gas Alarm.pdf |
783 KB |
| tech4/The next level of intermodulation.pdf |
783 KB |
| tech4/Using crystal filters at VHF high band.pdf |
777 KB |
| tech4/LC Filters.pdf |
772 KB |
| tech4/Demystifying software radio.pdf |
771 KB |
| tech4/Directional Couplers - Made to Measure.pdf |
768 KB |
| tech4/Mixer Experiments.pdf |
767 KB |
| tech4/Phase-Locked Loops.pdf |
766 KB |
| tech4/Practical Spread Spectrum-Achieving Synchronization with the Slip-Pulse Generator.pdf |
763 KB |
| tech4/The G5RV Multiband Antenna.pdf |
760 KB |
| tech4/Spreading the wealth- multiple access techniques.pdf |
760 KB |
| tech4/Audio PreAmp ICs.pdf |
760 KB |
| tech4/2-Meter Transverter.pdf |
760 KB |
| tech4/A Wide-Range RF-Survey Meter.pdf |
757 KB |
| tech4/Calculating the Focal Point of an Offset Dish Antenna.pdf |
754 KB |
| tech4/Radar Speed-Gun Controller.pdf |
751 KB |
| tech4/Dot-Bar-Graph Display Drivers.pdf |
749 KB |
| tech4/The Unix Operating System.pdf |
748 KB |
| tech4/Splitting A Signal.pdf |
747 KB |
| tech4/Time-Domain Reflectometry On A Budget.pdf |
743 KB |
| tech4/Differential Detection of Shifted-DQPSK.pdf |
742 KB |
| tech4/Shoot the Moon.pdf |
741 KB |
| tech4/Logarithmic Amplifier Up To 500 MHz With AD8307.pdf |
740 KB |
| tech4/Finding Cable Faults.pdf |
740 KB |
| tech4/The Noble Art of Signal Detection.pdf |
739 KB |
| tech4/Working With Monostable Multivibrators.pdf |
737 KB |
| tech4/Circular Waveguide Components at 10 GHz.pdf |
733 KB |
| tech4/10 GHz RF Preamp.pdf |
727 KB |
| tech4/Home-Made Parabolic Dishes for Microwave Applications.pdf |
721 KB |
| tech4/CW Transmitter for 902 MHz.pdf |
720 KB |
| tech4/Signal Propagation and the Ionosphere.pdf |
720 KB |
| tech4/A 12 Volt to 12 Volt Converter.pdf |
720 KB |
| tech4/Digital Voice Communication.pdf |
719 KB |
| tech4/Getting To Know RF Filters.pdf |
716 KB |
| tech4/Super Directional Microphone.pdf |
713 KB |
| tech4/Components for 10-GHz and Up Transceivers.pdf |
710 KB |
| tech4/Turbocharge Your Packet Station.pdf |
708 KB |
| tech4/Chat on the Air with LinPSK.pdf |
707 KB |
| tech4/The Digital Ham Revolution.pdf |
707 KB |
| tech4/A Modulation and Ripple Level Meter.pdf |
705 KB |
| tech4/Line Sections As Capacitances Or Inductances In Microwave Range.pdf |
704 KB |
| tech4/Versatile Pulse Generator.pdf |
702 KB |
| tech4/Diversity is a good thing.pdf |
696 KB |
| tech4/The LED Bar Graph Oscilloscope.pdf |
695 KB |
| tech4/Doppler-Ultrasound Heart Monitor.pdf |
691 KB |
| tech4/Bug Detector.pdf |
690 KB |
| tech4/A Simple Pre-Amplifier For The 70MHz and 50MHz Bands.pdf |
690 KB |
| tech4/Designing microwave radio links.pdf |
689 KB |
| tech4/The Noble Art of De-coupling.pdf |
687 KB |
| tech4/2m Interference Reduction System.pdf |
686 KB |
| tech4/Common Collector Amplifiers.pdf |
684 KB |
| tech4/Deciphering RF units of measure.pdf |
684 KB |
| tech4/A Straight-Through Mixer for 24 GHz.pdf |
682 KB |
| tech4/Another RF Combiner-Spliter.pdf |
680 KB |
| tech4/Synthesized Pulse Generator.pdf |
680 KB |
| tech4/Some Practical Aspects of Toroids.pdf |
679 KB |
| tech4/High-Speed Multimedia Goes Beyond the Linksys WRT54G.pdf |
678 KB |
| tech4/Polarization Performance of Circularly Polarized Antennas.pdf |
676 KB |
| tech4/Audio-Frequency Generator.pdf |
673 KB |
| tech4/Calculating Antenna-Installation Wind Loading.pdf |
672 KB |
| tech4/Working With Flip-Flops.pdf |
668 KB |
| tech4/Infared Logic Probe.pdf |
667 KB |
| tech4/How Do You Spell VSWR.pdf |
665 KB |
| tech4/Practical Direct-Sequence Spread Spectrum UHF Link.pdf |
663 KB |
| tech4/Build an E-Field Meter.pdf |
663 KB |
| tech4/Introducing Spread Spectrum.pdf |
658 KB |
| tech4/Formulae and Diagrams for the Approximate Calculation of Micro-Striplines.pdf |
655 KB |
| tech4/Microwave Building Blocks-The Solfan Special.pdf |
654 KB |
| tech4/Power Splitter For 70cms.pdf |
653 KB |
| tech4/Is Silver-Plating Worth While in RF Applications.pdf |
649 KB |
| tech4/Project 25 for Amateur Radio.pdf |
647 KB |
| tech4/SWR by any other name.pdf |
646 KB |
| tech4/Dual-Band Twin Lead Antenna.pdf |
644 KB |
| tech4/Build a 3-Band Shortwave Converter For Your Car.pdf |
641 KB |
| tech4/The BasicX-24.pdf |
641 KB |
| tech4/Single-Chip Frequency Converter.pdf |
641 KB |
| tech4/Home-Brew the Blockbuster.pdf |
638 KB |
| tech4/Explore 220 With This State-Of-The-Art Transverter.pdf |
638 KB |
| tech4/Minature UHF Fox Transmitter.pdf |
635 KB |
| tech4/Pre-distortion Simplifies Mobile Data Integration.pdf |
632 KB |
| tech4/Arduino The Experimenters Friend.pdf |
629 KB |
| tech4/Voice Shifter.pdf |
629 KB |
| tech4/RF Signal Generator.pdf |
627 KB |
| tech4/Simple Capacitance Meter.pdf |
626 KB |
| tech4/Defining Your Function Keys.pdf |
626 KB |
| tech4/RC Filters.pdf |
622 KB |
| tech4/Astronauts on Your Repeater.pdf |
620 KB |
| tech4/Build An Infra-red Snooperscope.pdf |
620 KB |
| tech4/Understanding standing wave ratios.pdf |
611 KB |
| tech4/A Perl-Tk Package for NEC Based Antenna Design.pdf |
609 KB |
| tech4/High-Speed Networking- Time to Net Its Benefits.pdf |
608 KB |
| tech4/Microwave ATV-A New Approach.pdf |
608 KB |
| tech4/HP AppCAD - A Software Collection for Calculating Microwave Exercises.pdf |
607 KB |
| tech4/High Speed Multimedia Radio.pdf |
606 KB |
| tech4/How To Get Into HSMM.pdf |
603 KB |
| tech4/Avoiding RF Oscillation.pdf |
600 KB |
| tech4/See-In-The-Dark Viewer.pdf |
599 KB |
| tech4/Why I Like Linux and Other Tales.pdf |
598 KB |
| tech4/Using the PIN Diode.pdf |
597 KB |
| tech4/The Integration of Amateur Radio and 802.11.pdf |
596 KB |
| tech4/Helium-Neon Laser.pdf |
595 KB |
| tech4/Sound Card Packet.pdf |
595 KB |
| tech4/An ATV Transmitter for the 24 cm Band.pdf |
594 KB |
| tech4/Who Said Marconi Invented Wireless.pdf |
594 KB |
| tech4/Digital Hamming-A Need for Standards.pdf |
592 KB |
| tech4/Pilot Carrier Frequency Standard.pdf |
590 KB |
| tech4/Cheap Yagis for 2450 MHz.pdf |
588 KB |
| tech4/Building a Beacon for 2401 MHz.pdf |
587 KB |
| tech4/Antenna Wind Loading.pdf |
584 KB |
| tech4/RF Interference from Vehicle Engines.pdf |
583 KB |
| tech4/Build the Featherweight 6-Meter Yagi.pdf |
583 KB |
| tech4/NW Digital UDRX-440 Data Radio.pdf |
580 KB |
| tech4/From Ether to Ethernet.pdf |
580 KB |
| tech4/Bionic Ears.pdf |
579 KB |
| tech4/Receiver front-end characteristics.pdf |
579 KB |
| tech4/A Sweep Tuner for the VCO.pdf |
578 KB |
| tech4/A Thermal Power Mount.pdf |
576 KB |
| tech4/Binaural Basics.pdf |
573 KB |
| tech4/The Hinternet and VPN Projects.pdf |
572 KB |
| tech4/Dual-Band VHF-UHF Twinlead J-Pole Antenna.pdf |
571 KB |
| tech4/Flate Plane Antennas.pdf |
571 KB |
| tech4/A UHF-SHF Marker Generator.pdf |
571 KB |
| tech4/Surviving the Unthinkable.pdf |
569 KB |
| tech4/Freeware Signal Fingerprinting- Xmit_ID.pdf |
567 KB |
| tech4/Fingerprinting Transmitters- MoTrons TxID-1.pdf |
567 KB |
| tech4/Professor might have solved SDR.pdf |
567 KB |
| tech4/Impedance Transformation using a quarter wavelength Line.pdf |
565 KB |
| tech4/Oscilliscope Line-Analyzer Accessory.pdf |
563 KB |
| tech4/HSMM and Field Day.pdf |
560 KB |
| tech4/The DDRR-Directional Discontinuity Ring Radiator.pdf |
558 KB |
| tech4/RF transmission line tips.pdf |
558 KB |
| tech4/Harry Rubinstein- Inventor of the Printed Circuit.pdf |
558 KB |
| tech4/Laser Communicator.pdf |
557 KB |
| tech4/A Gunn Oscillator Detector and Mixer Module for 24 GHz.pdf |
556 KB |
| tech4/Automatic Frequency Control and Supression of Acoustic Feedback in Conjunction with 10 GHz Transceivers.pdf |
553 KB |
| tech4/24-23 cm -Band Linear Power Amplifier Module M 57762.pdf |
552 KB |
| tech4/Measurement Aids for the UHF Amateur.pdf |
552 KB |
| tech4/Balun Designs for Wireless-Mixers-Amplifiers and Antennas.pdf |
550 KB |
| tech4/VHF-UHF-Microwave Radio Propagation.pdf |
549 KB |
| tech4/High Voltage Regulated PSU.pdf |
549 KB |
| tech4/The Swallow UHF Prescaler.pdf |
549 KB |
| tech4/PTT Control From Receiver Audio.pdf |
548 KB |
| tech4/Add Remote Cotntrol to Your ICOM Transceiver.pdf |
545 KB |
| tech4/Elevator A Simple 220-MHz FM Transverter.pdf |
544 KB |
| tech4/The 220 MHz All-Mode Transverter.pdf |
543 KB |
| tech4/Repairing Compact Disc Players.pdf |
542 KB |
| tech4/Using Ceramic Resonators in Oscillators.pdf |
539 KB |
| tech4/Building Simple Isolation Interface Devices.pdf |
539 KB |
| tech4/A 900-MHz Parrot Repeater.pdf |
538 KB |
| tech4/Straight-Through Mixer for 24 GHz.pdf |
535 KB |
| tech4/A Single Stage 1500W Amplifer For 160-80-40 Meters.pdf |
531 KB |
| tech4/Tramplifier for 432 MHz.pdf |
530 KB |
| tech4/Complex Numbers Explained.pdf |
529 KB |
| tech4/Digital mW meter.pdf |
529 KB |
| tech4/Screw-Tuned Filter for the X-Band.pdf |
529 KB |
| tech4/WB2REM Remote Link.pdf |
528 KB |
| tech4/Build This Modem For Your Commadore 64.pdf |
527 KB |
| tech4/Solid-State Devices For 1 GHz.pdf |
526 KB |
| tech4/Aircraft Enhancement.pdf |
525 KB |
| tech4/D-Star Digital Data-CryptoUP.pdf |
523 KB |
| tech4/Experiments with a 10 GHz Frequency Multiplier with Interdigital Filter Coupling.pdf |
523 KB |
| tech4/A Simple Deviation Meter.pdf |
521 KB |
| tech4/The Doppler Effect over Radio Links Using Active or Passive Reflectors.pdf |
521 KB |
| tech4/More Cheap Yagis.pdf |
520 KB |
| tech4/Switching vs linear power supplies.pdf |
519 KB |
| tech4/Practical Spread-Spectrum-Clock Recovery With the Synchronous Oscillator.pdf |
517 KB |
| tech4/The Worlds Largest ELF.pdf |
517 KB |
| tech4/The Ferret Audio Filter.pdf |
514 KB |
| tech4/The 50 Dollar Sweeper.pdf |
511 KB |
| tech4/Microwavelengths.pdf |
511 KB |
| tech4/Voltage Doubler.pdf |
506 KB |
| tech4/Wireless Local Area Network Design.pdf |
506 KB |
| tech4/Audio Attenuator.pdf |
504 KB |
| tech4/A Three And Half Band Yagi.pdf |
503 KB |
| tech4/Radio Line-of-Sight Paths from the USGS Digital-Elevation Database.pdf |
503 KB |
| tech4/Web Pages on Packet Radio.pdf |
502 KB |
| tech4/Ultra Wide Band.pdf |
502 KB |
| tech4/Inside Digital TV-VCR Tuners.pdf |
501 KB |
| tech4/HDTV - Past Present and Future.pdf |
499 KB |
| tech4/Build A Brain Wave Feedback Monitor.pdf |
498 KB |
| tech4/The Amateur Packet Radio Handbook.pdf |
496 KB |
| tech4/Line-of-Sight Microwave Communications.pdf |
495 KB |
| tech4/BIOS Data Area Information.pdf |
495 KB |
| tech4/Multiplication division and addition of a 10 MHz source to get a synthesised VHF signal.pdf |
494 KB |
| tech4/Simple Approach to Complex Circuits.pdf |
492 KB |
| tech4/UHF Modems For Amateur Radio Stations.pdf |
491 KB |
| tech4/Radar Detector to Microwave Receiver Conversion.pdf |
487 KB |
| tech4/Voltage Cursor Adapter.pdf |
481 KB |
| tech4/Xastir.pdf |
479 KB |
| tech4/Crystal Microwave.pdf |
479 KB |
| tech4/Magazine Editor Has Been Radioactive for 50 Years.pdf |
478 KB |
| tech4/How To Make Custom Meters From Salvaged Parts.pdf |
475 KB |
| tech4/Lasers and Amateur Radio.pdf |
470 KB |
| tech4/No-Tune Transverter for the 2304-MHz Band.pdf |
469 KB |
| tech4/FYI-FQY.pdf |
463 KB |
| tech4/Skinflint Lightning Arrestors.pdf |
463 KB |
| tech4/2.4-GHz Patch Antennas.pdf |
460 KB |
| tech4/A PIC16F84-Based CW Decoder.pdf |
459 KB |
| tech4/Power Supply Crowbar Protection Circuit.pdf |
459 KB |
| tech4/Choosing The Right Capacitor.pdf |
456 KB |
| tech4/Home-Brew X-Band Wavemeter.pdf |
455 KB |
| tech4/CMOS Clock Circuits.pdf |
453 KB |
| tech4/Fabrication of Printed-Circuit Boards.pdf |
452 KB |
| tech4/Working With Op-Amps.pdf |
451 KB |
| tech4/No-Tune Transverter for 3456 MHz.pdf |
451 KB |
| tech4/Vocoding-Creating Digital Voice.pdf |
449 KB |
| tech4/A Look Inside D-Star Modulation.pdf |
446 KB |
| tech4/Amateur Radio Networks and the Internet.pdf |
445 KB |
| tech4/Build a 2-Meter Intermod Notch Trap.pdf |
444 KB |
| tech4/Working With Torid Cores.pdf |
442 KB |
| tech4/A Five-Element 2-Meter Yagi.pdf |
442 KB |
| tech4/A Spectrum Analyzer for the Radio Amateur.pdf |
441 KB |
| tech4/Therman Power Measurement - yet another look.pdf |
441 KB |
| tech4/Laser Communication Systems.pdf |
439 KB |
| tech4/A Uniquely Tuned 2 Meter Transmitter Hunting Loop.pdf |
438 KB |
| tech4/A Wavemeter for the Frequency Range 23.5 to 24.5 GHz.pdf |
437 KB |
| tech4/Bat Detector.pdf |
435 KB |
| tech4/An Off-Air 1988 kHz Frequency Source.pdf |
435 KB |
| tech4/Crystal Oscillators.pdf |
432 KB |
| tech4/Care And Feeding Of Gunnplexers.pdf |
432 KB |
| tech4/Locating Power Line Noise Using TV Waveforms.pdf |
432 KB |
| tech4/902- to 144-MHz Receive Converter.pdf |
429 KB |
| tech4/The Magnetron-A Low Noise Long Life Amplifier.pdf |
427 KB |
| tech4/Improving the K1FO 8874 432-MHz Amplifier.pdf |
424 KB |
| tech4/Brain Waves and Biofeedback Training.pdf |
423 KB |
| tech4/Explore USB with this USB to CI-V Interface.pdf |
423 KB |
| tech4/Meet The New Guy.pdf |
421 KB |
| tech4/Television Receiver Field-Strength Indicator.pdf |
419 KB |
| tech4/A Compact Two-Element 2-Meter Beam.pdf |
419 KB |
| tech4/An Introduction To The Bilateral Transverter.pdf |
418 KB |
| tech4/Classic Video Amps Revisited.pdf |
417 KB |
| tech4/Radio Astronomy Terms Explained.pdf |
414 KB |
| tech4/D-Star Antennas.pdf |
414 KB |
| tech4/Converting Radar Detectors to 10-GHz Rigs.pdf |
414 KB |
| tech4/Different Grounds For Different Shacks.pdf |
413 KB |
| tech4/900-MHz Band-Whats in Store for Amateurs.pdf |
412 KB |
| tech4/N0GSG Portable Radio Direction Finder.pdf |
410 KB |
| tech4/New High-Speed Multi-Media Radio Mesh Networking.pdf |
410 KB |
| tech4/RSGB-Remote-HF.pdf |
407 KB |
| tech4/Inexpensive Hardline.pdf |
407 KB |
| tech4/Entertainment And Interference-The Two Faces Of CATV.pdf |
407 KB |
| tech4/How To Design Analog Filter Circuits.pdf |
406 KB |
| tech4/432 Collinear From Coax.pdf |
402 KB |
| tech4/Printed Circuit Boards--An Easier Way.pdf |
400 KB |
| tech4/Cellular Surplus.pdf |
400 KB |
| tech4/Measuring Wavelengths at Microwave Frequencies - Simply and Cheaply.pdf |
400 KB |
| tech4/Introducing Sherlock - A Hi-Tech Fox Hunting Tool.pdf |
398 KB |
| tech4/Coupled Microstriplines as Filter.pdf |
392 KB |
| tech4/Robotics-Ultrasonic Vision.pdf |
392 KB |
| tech4/Attenuation Of Electromagnetic Waves By Vegetation.pdf |
391 KB |
| tech4/Home-brew Spectrum Analyzer.pdf |
389 KB |
| tech4/Spread-Spectrum Applications In Amateur Radio.pdf |
389 KB |
| tech4/Pocket dBm RF Power Meter.pdf |
387 KB |
| tech4/Grounded-Grid Kilowatt Amplifier for 432 MHz.pdf |
383 KB |
| tech4/Pre Divider up to 5 GHz.pdf |
382 KB |
| tech4/Pagers.pdf |
378 KB |
| tech4/10 GHz Varactor Tuned Gunn Oscillator.pdf |
376 KB |
| tech4/The Four Way DFer.pdf |
375 KB |
| tech4/The Real Inventor Of Wireless.pdf |
373 KB |
| tech4/Digital Modulation from ASK to OQPSK.pdf |
373 KB |
| tech4/Binaural Mikeset.pdf |
372 KB |
| tech4/A Sprectrum Generator for the 24 GHz Band.pdf |
367 KB |
| tech4/All-Band Field Strength Meter.pdf |
365 KB |
| tech4/Determining the Antenna Gain in the GHz Range.pdf |
364 KB |
| tech4/Voice Track-Talking Controller.pdf |
362 KB |
| tech4/A New Method of Mounting and Feeding A Gunn Element Using a BNC Connector.pdf |
360 KB |
| tech4/VOIP and Amateur Radio.pdf |
357 KB |
| tech4/Quantifying SETI.pdf |
354 KB |
| tech4/A PIC SWR Meter.pdf |
349 KB |
| tech4/Rolling Your Own with Digital Amateur Radio.pdf |
348 KB |
| tech4/The Hinternet on 5 GHz.pdf |
348 KB |
| tech4/A Spectrum Analyser In Your Shack.pdf |
347 KB |
| tech4/Tracing And Eliminating Power Line Interference.pdf |
345 KB |
| tech4/A Marker Generator for 10 MHz and 1 MHz Markers.pdf |
345 KB |
| tech4/HSMM and Information Security.pdf |
341 KB |
| tech4/How ET Really Called Home.pdf |
340 KB |
| tech4/Electronics and Brain Control.pdf |
339 KB |
| tech4/Storm Detection by Radio.pdf |
336 KB |
| tech4/Practical Spread Spectrum-An Experimental Transmitted-Reference Data Modem.pdf |
333 KB |
| tech4/Digital Video Coming to the 440-MHz Band.pdf |
333 KB |
| tech4/Telephone Line Tester.pdf |
330 KB |
| tech4/A Look At Emergency Phone Numbers.pdf |
329 KB |
| tech4/Microwave Building Blocks-The Doubly-Balanced Mixer.pdf |
329 KB |
| tech4/A Modular High-Performance 23-cm ATV Transceiver.pdf |
328 KB |
| tech4/Serian A-D Converter for an IBM PC.pdf |
328 KB |
| tech4/Serial A-D Converter for an IBM PC.pdf |
328 KB |
| tech4/Find Fault with Your Coax.pdf |
325 KB |
| tech4/The DSE Radio Direction Finder.pdf |
317 KB |
| tech4/Audio Amplifiers You Can Build.pdf |
316 KB |
| tech4/On Amateur Radio Use of IEEE 802.11b.pdf |
313 KB |
| tech4/Understanding Ungrounded Oscilloscope Measurements.pdf |
309 KB |
| tech4/The Hinternet-Protecting HSMM Radio Networks.pdf |
308 KB |
| tech4/Getting on on the Internet-Your First HSMM Radio Station.pdf |
307 KB |
| tech4/Two-Band 1.2 and 2.4 GHz Feed-Horn for Parabolic Antennas.pdf |
307 KB |
| tech4/Build The Montreal Fox Controller.pdf |
307 KB |
| tech4/New Jerseys South Counties Emergency Radio Network.pdf |
307 KB |
| tech4/ATV Handbook.pdf |
307 KB |
| tech4/Pour an Antenna for X-Band.pdf |
307 KB |
| tech4/Rock Solid RF.pdf |
306 KB |
| tech4/New Mod For Digital Decoding.pdf |
303 KB |
| tech4/A Primer on Digital Signal Interfaces.pdf |
301 KB |
| tech4/Gunn and IMPATT Microwave Devices.pdf |
300 KB |
| tech4/Single-Board- No-Tune 902-MHz Transverter A.pdf |
299 KB |
| tech4/Single-Board No-Tune 902-MHz Transverter.pdf |
299 KB |
| tech4/A Five-Element Quad Antenna for 2-Meters.pdf |
298 KB |
| tech4/Making Two-Sided Circuit Boards by the Photoetching Process.pdf |
296 KB |
| tech4/RTTY Artwork.pdf |
291 KB |
| tech4/GRAPES 56 Kb Modem.pdf |
291 KB |
| tech4/IR Code Analyser.pdf |
287 KB |
| tech4/An Experimental Variometer.pdf |
286 KB |
| tech4/Finding Field Strength The Simple Way.pdf |
285 KB |
| tech4/Color TV-That Isnt.pdf |
284 KB |
| tech4/The Worldwide RTTY Art Contest.pdf |
283 KB |
| tech4/Put Your All-Mode 2-Meter Rig on 220.pdf |
282 KB |
| tech4/Amateur Spread-Spectrum Experimentation.pdf |
282 KB |
| tech4/Diversity Communications.pdf |
278 KB |
| tech4/Want a Good Microwave Antenna-Drink More Coffee.pdf |
274 KB |
| tech4/Improved Pin-Diode Switch for Transmit-Receive Switching.pdf |
273 KB |
| tech4/Electric Fence Interference-A Case History.pdf |
270 KB |
| tech4/D-STAR For VHF-UHF.pdf |
270 KB |
| tech4/A Simple dB-Linear S-Meter for Microwave Applications.pdf |
269 KB |
| tech4/The Magical Audio Filter.pdf |
268 KB |
| tech4/Amateur use of the optical spectrum - above 300 GHz.pdf |
268 KB |
| tech4/More Microwave Test Equipment For 10 GHz.pdf |
267 KB |
| tech4/Two Meter Tracking Transmitter.pdf |
267 KB |
| tech4/Build The FoxTTL Foxhunt Transmitter.pdf |
266 KB |
| tech4/Spread Spectrum And The Radio Amateur.pdf |
265 KB |
| tech4/Detect Killer Tornadoes.pdf |
264 KB |
| tech4/A Guide to the Fourier Transform.pdf |
264 KB |
| tech4/TV-VCR Tuner Applications.pdf |
262 KB |
| tech4/Mechanical Design Tips for EMI Shielding.pdf |
259 KB |
| tech4/The Sociology of Regulations.pdf |
255 KB |
| tech4/An Injection-Locked Oscillator for the 10 GHz Band.pdf |
252 KB |
| tech4/Cutting Current to Size.pdf |
251 KB |
| tech4/Build An Active Antenna.pdf |
251 KB |
| tech4/All-Purpose Op-Amps.pdf |
249 KB |
| tech4/A Gunn Oscillator for the 24 GHz Band.pdf |
249 KB |
| tech4/Waveguide for the 24 GHz Band.pdf |
248 KB |
| tech4/A Linear 1 W Power Amplifier for 2400 MHz.pdf |
247 KB |
| tech4/Double-Ducky Direction Finder.pdf |
247 KB |
| tech4/Voice Recognition for FM Repeaters.pdf |
246 KB |
| tech4/Building A Wavemeter.pdf |
246 KB |
| tech4/Relative RF Power Meter.pdf |
246 KB |
| tech4/QRP Transmitting Converter.pdf |
245 KB |
| tech4/How To Build High-Q Coils.pdf |
244 KB |
| tech4/Build a Four-Level FSK Data Decoder Interface.pdf |
241 KB |
| tech4/The Flap Over Digital Decoding.pdf |
240 KB |
| tech4/Dealing With Man-Made Noise.pdf |
240 KB |
| tech4/The Incredible Digiohm.pdf |
240 KB |
| tech4/How To Build A Stable VFO.pdf |
238 KB |
| tech4/For Tunable Oscillators Its The Pitts.pdf |
237 KB |
| tech4/Baluns Do We Need Them.pdf |
236 KB |
| tech4/A Simple Noise Figure Meter.pdf |
235 KB |
| tech4/Radio To Computer Data Interface.pdf |
233 KB |
| tech4/Using FETs As RF Power Amplifiers.pdf |
231 KB |
| tech4/Long Life For Your Transmitting Tubes.pdf |
231 KB |
| tech4/Digital Voice Protection.pdf |
230 KB |
| tech4/Data Delivery.pdf |
227 KB |
| tech4/High-Power Cavity Amplifier For The New 900-MHz Band.pdf |
226 KB |
| tech4/How To Decode ASTRO Digital Signals.pdf |
226 KB |
| tech4/RF Output Power vs Load Impedance.pdf |
226 KB |
| tech4/D-STAR Technical Chararistics.pdf |
225 KB |
| tech4/Universal Radio Programmer.pdf |
225 KB |
| tech4/An RF Ammeter.pdf |
224 KB |
| tech4/Broadcast Band Interference.pdf |
224 KB |
| tech4/Annie Get Your Gunnplexer.pdf |
223 KB |
| tech4/902-MHz Loop Yagi Antenna.pdf |
223 KB |
| tech4/An RF-Probe for Test and Measurement Purposes.pdf |
222 KB |
| tech4/Nontraditional Field Day-You Bet.pdf |
220 KB |
| tech4/How To Build A Frequency Converter.pdf |
220 KB |
| tech4/High Power Notch Filter.pdf |
219 KB |
| tech4/Capacitance Meter.pdf |
218 KB |
| tech4/Microwave Propagation.pdf |
215 KB |
| tech4/A Portable Direction-Finding Antenna.pdf |
215 KB |
| tech4/Is the ARRL Turning 2.4 GHz into the Next CB Band.pdf |
215 KB |
| tech4/A Temperature Controlled Oven.pdf |
213 KB |
| tech4/Spread Spectrum Frequency Hopping Direct Sequence and You.pdf |
213 KB |
| tech4/Electronics vs Ceeepy Crawlers.pdf |
212 KB |
| tech4/An Audio-Noise-Based Voting Circuit.pdf |
212 KB |
| tech4/Terminating 75 Ohm-7-8 Inch Hardline with SO-239.pdf |
211 KB |
| tech4/A 146 and 445 MHz J-Pole Antenna.pdf |
211 KB |
| tech4/Direct Digital Synthesizer for Radio Projects.pdf |
209 KB |
| tech4/A Simple Receiver For The Beginner.pdf |
209 KB |
| tech4/An Up-Converter for Extending the Frequency Range of Signal Generators.pdf |
209 KB |
| tech4/A 5.8 GHz Fully-Integrated Power Amplifier for 802.11a WLAN System .pdf |
209 KB |
| tech4/Army Surplus CW.pdf |
208 KB |
| tech4/Is All Data Acceptable Data.pdf |
207 KB |
| tech4/Microphone Impedance And Amplification.pdf |
207 KB |
| tech4/The Cubical Quad.pdf |
207 KB |
| tech4/A Survey of Direction Finding Techniques and Antennas.pdf |
206 KB |
| tech4/Pocket-Size VHF SWR Meter.pdf |
205 KB |
| tech4/Understanding Crystal Oscillators.pdf |
205 KB |
| tech4/Coxial SHF-Connectors Constucted from Bicycle Tire Valves.pdf |
203 KB |
| tech4/Active Magnetic Antennas.pdf |
203 KB |
| tech4/The Great Aluminum Cover-Up.pdf |
202 KB |
| tech4/Making Printed Circuit Boards.pdf |
201 KB |
| tech4/A Rugged Compact Attenuator.pdf |
201 KB |
| tech4/Making Your Own PCBs.pdf |
198 KB |
| tech4/Fast Internet Access By ADSL Technology.pdf |
198 KB |
| tech4/A Circularly Polarized 60 GHz Microstrip Antenna.pdf |
197 KB |
| tech4/Things You Can Do With Diodes.pdf |
196 KB |
| tech4/Women In Amateur Radio.pdf |
196 KB |
| tech4/Digital Voice and Data Modes The Way Forward.pdf |
195 KB |
| tech4/A Miniature HF to VHF AM-FM Receiver Using the NE605.pdf |
194 KB |
| tech4/General Purpose VHF-UHF Antenna.pdf |
193 KB |
| tech4/902 FM-UHFs Final Frontier.pdf |
192 KB |
| tech4/King of the Pulse Generators.pdf |
192 KB |
| tech4/A Horizontally Polarized Omni-Directional Antenna.pdf |
190 KB |
| tech4/Build A Simple Scanner Converter.pdf |
190 KB |
| tech4/The Poor Mans Radar.pdf |
189 KB |
| tech4/Flash Tubes.pdf |
185 KB |
| tech4/Stabilizing the Operating Point of Preamplifiers and Linear Amplifiers for an Output Power up to Approx 1 W.pdf |
185 KB |
| tech4/A Step Attenuator You Can Build.pdf |
185 KB |
| tech4/Switchless bidirectional amplifier for wireless communication systems.pdf |
184 KB |
| tech4/SHARKS and Tsunamis.pdf |
183 KB |
| tech4/What is HSMM.pdf |
181 KB |
| tech4/CATV Leakage-A Two Way Street.pdf |
178 KB |
| tech4/Microwavelengths-The Transverter.pdf |
173 KB |
| tech4/Cellular Phones.pdf |
171 KB |
| tech4/Frequency Calibration Using WWV.pdf |
171 KB |
| tech4/A 10 Dollar Phone Patch.pdf |
170 KB |
| tech4/High Speed Multimedia at 3.5 GHz.pdf |
168 KB |
| tech4/An Inexpensive Low Noise Preamplifier for 432 MHz.pdf |
160 KB |
| tech4/Choosing the Right Diode for your AGC Detector.pdf |
160 KB |
| tech4/Intermodulation Reviewed.pdf |
157 KB |
| tech4/An Active Attenuator For Transmitter Hunting.pdf |
157 KB |
| tech4/144 MHz Stop-Band TVI Filters.pdf |
156 KB |
| tech4/Build This Solid-State PA for 440 MHz.pdf |
156 KB |
| tech4/Transmatch For 432 MHz--Why Not.pdf |
153 KB |
| tech4/An Inexpensive TDR.pdf |
150 KB |
| tech4/How Many of These Magazines Do You Remember.pdf |
147 KB |
| tech4/An S band to 70cm receive converter for P3D.pdf |
145 KB |
| tech4/Wideband Active Loop Antenna.pdf |
145 KB |
| tech4/A High Gain Horn Antenna for 220 And 420 MHz.pdf |
144 KB |
| tech4/Inexpensive Basic Stamp Controller.pdf |
144 KB |
| tech4/Monitoring Spread Spectrum Comms.pdf |
140 KB |
| tech4/Resonance and Reactance.pdf |
138 KB |
| tech4/An Inexpensive 10 GHz Dish System.pdf |
137 KB |
| tech4/The Hinternet and openHSMM.pdf |
133 KB |
| tech4/Automobile Ignition Substitute.pdf |
131 KB |
| tech4/Bringing Digital Radio to Amateur Radio.pdf |
130 KB |
| tech4/D-STAR Digital Voice versus Analog FM Sensitivity.pdf |
128 KB |
| tech4/A No-Tune 2-Meter Bandpass Filter.pdf |
122 KB |
| tech4/The Serial Port-Breakfast Of Champions.pdf |
122 KB |
| tech4/Microwave and RF Cable Assemblies-The Neglected System Component.pdf |
121 KB |
| tech4/Six Meters From Your Easy Chair.pdf |
120 KB |
| tech4/Use It Or Lose It.pdf |
119 KB |
| tech4/What is Happening to the HSMM Working Group.pdf |
117 KB |
| tech4/Build An IC Light Modulator.pdf |
116 KB |
| tech4/Remote-Controlled HF Operation over the Internet.pdf |
115 KB |
| tech4/Design of a Dual Patch Triangular Microstrip Antenna.pdf |
112 KB |
| tech4/Isolated-Pad Circuit-Board Construction.pdf |
112 KB |
| tech4/RFI-Intermodulation.pdf |
111 KB |
| tech4/Worlds Fair Super Squelch.pdf |
109 KB |
| tech4/Dielectric Materials at Microwave Frequencies.pdf |
107 KB |
| tech4/Wireless Digital Modulation.pdf |
106 KB |
| tech4/A PIC Of An IDer.pdf |
104 KB |
| tech4/75-Ohm Cable-Additional Options.pdf |
104 KB |
| tech4/DTMF-Converter And HF-Link Controller.pdf |
103 KB |
| tech4/Clean Up Your Signals With Band-Pass Filters.pdf |
103 KB |
| tech4/MMIC Preamp for DC to Daylight.pdf |
102 KB |
| tech4/Doctor Of Modifications Dies.pdf |
102 KB |
| tech4/Low-Pass Filters and the 144 MHz Band.pdf |
99 KB |
| tech4/One-Chip AFSK Generator.pdf |
99 KB |
| tech4/Low Noise Amplifiers for 2304 3456 5760 and 10368 MHz.pdf |
99 KB |
| tech4/June 1996 The Last Issue of RCMA Scanner Journal.pdf |
98 KB |
| tech4/Columbia Shuttle Recovery and 802.11b.pdf |
97 KB |
| tech4/Options On The IF.pdf |
95 KB |
| tech4/Calibration and Repair for Bird Wattmeter Elements.pdf |
94 KB |
| tech4/Yes-All My Coax Cables Are 75 Ohms.pdf |
84 KB |
| tech4/Low Cost Lowpass Filter Design Using Image Parameters.pdf |
76 KB |
| tech4/Some Encryption is Legal.pdf |
74 KB |
| tech4/Troubleshooting Electrical Noise.pdf |
74 KB |
| tech4/12V-to-24V Converter.pdf |
71 KB |
| tech4/Ceramic Bandpass Filters-Boon or Bane.pdf |
68 KB |
| tech4/A Review of ABCD Parameters .pdf |
67 KB |
| tech4/Technology and the Future of Amateur Radio.pdf |
66 KB |
| tech4/Inexpensive High Speed Packet is Here.pdf |
65 KB |
| tech4/6 Meter J-Pole.pdf |
59 KB |
| tech4/Transmission Line Transformer Basics.pdf |
56 KB |
| tech4/Capacitor Basics.pdf |
52 KB |
| tech4/Surge Protection.pdf |
46 KB |
| tech4/SW Converter for AM Radio.pdf |
38 KB |
| tech4/Amateur Radio and 802.11.pdf |
32 KB |
| tech4/10 Element 900 MHz Quagi.pdf |
25 KB |
| tech4/2.4GHz Pringles Can Antenna.pdf |
25 KB |
| tech4/Dual Band J-Pole.pdf |
20 KB |
| tech4/Super-J-Pole.pdf |
19 KB |
Magnet link
