microphone schematics

Radio Era Archives - REA offers a wide variety of items for antique radio. We have schematics, old books, reference data, historical information in paper copy form or on CD-ROM.

Mauritron Technical Services - Service Manuals & Schematics, supplied for most types of equipment, Audio, TV, Video, Test and Ham Radio

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.

Workman Electronics - Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,

Warren Gregoire & Associates - Boom Microphone Headsets for use on amateur transceivers- assembled and kit form.

AZDEN - Makes a wide range of portable and AC-powered wireless microphones

Zetagi  ^pop - Zetagi amplifiers, accessories, power supplies, microphones, SWR and power meters, battery charges

Heil Sound - Microphones, headsets and accessories

International Components - International Components Corporation has an extensive range of electronic components consisting of audible signal devices, speakers, microphones, capacitors, electron tubes, connectors, and accessories designed in recognition of the diversity of applications and special characteristics encountered by designers in today's complex world.

W1TP Telegraph & Scientific Instrument Museums - A museum of thousands of telegraph keys, radios, microphones, enigma cipher machines, and scientific instruments.

Electronic Goldmine - Electronic components dealer, semiconductors, switches, leds, motors, solar energy, ferrites, toroids, capacitors, batteries, jacks and plugs, microphones, meters, power supplies, speakers, transformers, wire and more

Copper Electronics - Primarily CB-oriented, but a source for microphones, scanners and other items for Amateurs.

RecAll - AudioCapture recorder software for Windows, Runs in the background, and starts recording when sound is detected from the microphone input.

Voice Shaper - Voice Shaper is a freeware windows speech pre-processor for SSB transceivers. It receives the voice signal from the microphone connected to the soundcard, and sends the processed audio back to the soundcard in real time by Alex Shovkoplyas, VE3NEA

600 Watt HF Amplifier  ^pop - Schematics plans by K9GDT and all infos to build a 600 Watt HF Amplifier

100W HF QRO linear amplifier - Based on Motorola MRF454, schematics and component list

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

TVI and BCI Filters - TVI and BCI bandpass and bandstop filters in SMD technique. Schematics and images.

SSB and CW Filter - A pdf file with schematics of an ssb and cw filter AF amplifier

Krasnodar - radio schematics - Contain schematic diagram of many different radio, and some operations instructions.

The G8TTI homebrews - Home made transverters blockschematics two metre HB9CV, 144MHz SSB Transceiver

27Cxx Eprom programmer and KissEprom - Simple eprom programmer for 27Cxx family , used in TNC and G3ruh modem, eprom tutorial, schematics and KissEprom software for windows by iz7ath

Homebrew radio receiver  ^pop - Detailed plans of my homebrew receiver. Frequency coverage is from below 300kHz to 30MHz. Pictures, schematics, board layouts, parts lists and more can be found here.

Using the FT-857 mic Jack for CAT - Using the FT-857 Microphone Jack for Serial Control (CAT)

50 MHz Transverter idea - Complete 144/50 MHz transverter with GaAs Fet LNA and 400 mW out. No printed circuit board. Schematics and images by Christoph Petermann DF9CY