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Recent content by ID101

  1. I

    K40 speech processor

    The internal capacitor on the K40 takes its charge from inside the radio. Use the tx wire from the mic socket and solder a 1n4001 diode in line with it with the cathode (banded end) to the pin on the socket and the wire to the other side. Then feed 12v (from the on/off switch) through a 1k...