“In the pioneering sprit of amateur radio and open source hardware and software, I’ve assembled a collection of information and engineering plans for a variety of amateur radio projects. These projects cover a wide...
The only way to improve the reception of FM-signals or particularly of stereo FM-signals under disadvantageous receiving conditions is to amplify the antenna signal. This should be made directly at the antenna, since the...
The new Ham Project Pages are VHF/HF Aerial Analyser, A 600MHz Frequency Counter. Then there is a an ESR Meter for Electrolytic Capacitors. VK5JST Amateur Radio Ideas with Photos With a two tone tester,...
Designing Bipolar Transistor Audio PreAmps, Designing JFET Transistor Audio PreAmps, Designing Op Amp IC Audio PreAmps, Switching Regulator Basics, Using Transistors As Switches. RASON Projects Page – Amateur Radio 10 Amp, 13.8 Volt Power...
I am designing a circuit that implements an AM radio circuit that ultilises the IC Double mixer and Oscillator NE612. I was just wondering whether there is any standard symbol for this kind of...
“One day I noticed a project, obviously homebrew, mounted on a piece of plywood, and nearly covering the worktable. When I asked him what it was, he glowed as bright as the half-dozen tubes...
Amateur radio is a technical hobby. The attraction? To cover long distances with a low power radio to talk with other people, learn about their countries and cultures. Amateurfunkbasteln – Amateur Radio Crafts and...
A firm based at Greenbackville, Virginia provides parts and kits for Amateur Radio applications. Products include data and audio cables for APRS and packet radio. They also offer simple serial communications testing and monitoring...
