circuits diagrams

HF Aerial Design - A novel approach to aerial evaluation with diagrams and graphs by G3CWI

Antique Radio Schematics - Specializes in antique radio schematics, circuit diagrams and service data for vintage tube radios. Carries information for American, Canadian and European antique radios.

Ham Radio India - Gateway to Indian Radio Amateurs. Resource features Indian amateur news, photos, circuits, articles, downloads, message boards and discussion forums.

QRZ.RU Russian HamRadio Server - Free Russian hamradio server special for radiofanats from CIS. Search engine on callsigns, electronic circuits and hamradio programs in www powered with knowledge base.

SuperCircuits - ATV accessories manufacturer

A World of Wireless, Radio Museum - A World of Wireless is our virtual radiomuseum. It shows the history of radio from a Dutch perspective. Learn about the early history, enjoy the nostalgia or browse our database. Our free diagram service contains 150 downloadable Philips diagrams.

ATV De ik1hgi - Projects and design atv de ik1hgi Progetti, circuits, master, fotos in Italian

PLL2 - 2nd Order phase locked loop design for passive and active circuits. Bode plot, step response, design parameters

HAMIC - The Ham Intelligent Calculator - HAMIC, is a program designed to simplify a number of calculations commonly used by HAMs. It is designed for the HAM radio hobbyist, but may be useful to others as well. HAMIC has a simple to use, but powerful graphical interface that allows solving simple circuits such as resistors in series or parallel, or more complex circuits such as L networks or T networks. As well, other calculations such as SWR and reactance conversions are supported. Windows shareware.

Defpom's CB Radio Simulator - It is a application which can be used for troubleshooting CB radio faults, by giving a graphical display of the normal operating frequencies generated by various parts of the CB radios circuits, it can help you identify if a frequency is incorrect or even missing. Another good use for this software is simulating possible frequency expansions, as it allows you to choose any frequency that the PLL is capable of generating, so you can see what the radio will allow you to get !

Galaxy radio mods  ^pop - Galaxy web site updates and additions with modifications, diagrams, and schematics for galaxy radios

Galaxy DX Radios Service Information  ^updated - Service information, modifications, diagrams, manuals and schematics, and technical files on Galaxy DX Radios.

Ham International CB Radios - Retrospective of a mark now disappeared. Jumbo, Multimode, Concorde, Puma, Viking. Photographs, diagrams, adjustments etc.

KB2LJJ Radio Mods Database  ^pop - The KB2LJJ radio mods database offers approximately 12,000 Radio Mod's, circuits and manuals.

Radio-TNC wiring - Radio-TNC wiring diagrams index

Electronic symbols - Analog digital symbols, identification of components, units and conversi„n tables for electronics circuits design

Ham Radio Circuits  ^pop - Circuits of SSB Transceiver, AM DSB Transmitter, Antennas, BFO, VFO, 807, FM Mike, Crystal filter and more.

Homebrew resources for wireless enthusiasts - PDF resources containing information on low cost ssb,am,cw circuits, which are useful for beginners.

Kenwood Connector Diagrams and Pinouts - Kenwood Ham Equipment Connector Diagrams and Pinouts (1999)

Microphone Wiring Diagrams  ^pop - Some mic wiring diagrams for ranger realistic alan, cobra, ge, uniden, yaesu, kenwood radios. Diagrams for the microphone connections on many of the common CB radios, as well as some popular Amateur radios.

Microphone Wiring  ^pop - Alan Cobra Uniden President Galaxy and more microphone wiring diagrams

11 Most Popular MIC Wiring Diagrams  ^pop - 11 most popular MIC wiring diagrams including AZDEN Alinco Icom Kenwood Yaesu Astatic Cobra Sadelta Turner microphens diagrams and pin-end views

About Mic-wiring  ^pop - Kenwood Alinco and Icom Mic Wiring diagrams by pictures

Defpom CB and HAM radio mods  ^{updated  pop} - Circuit diagrams, CB and HAM mods, alignments, data sheets and pinouts, a massive site with over 600 pages of free info

Interface for MS_DSP - Minimal interface circuits for receiver and transmitter audio, also for PSK31