Simple JUMA microphone

Instructions how to construct a simple microphone for JUMA transceiver.

The parts:
- Electret microphone capsule. Observe GND (-) connected to the metal can
- 1n SMD capacitor for RF protection, connect into the mic terminals.
- PTT switch
- A piece of Vero board
- Mic cable, 2 wires + shield
- Plug 3.5 mm

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06.10.2006 OH7SV