Wireless microphone schematic - Hobby Hour Simple wireless microphone schematic diagram. Circuit description: The audio amplification stage (T1) is a standard common emitter amplifier. The 47nF capacitor isolates the microphone from the base voltage of the transistor and only allows AC signals to pass. Wireless Microphone Electronic Circuits Wireless Microphone - Circuit & notes only, no circuit description given. __ Designed by Tony van Roon VA3AVR. Wireless Microphone FM Transmitter - This Wireless Microphone FM Transmitter has been a very popular project with beginners and experienced constructors alike. it has been used inside guitars and as the basis of a remote control system.
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