5 tubes SSB QRP Transceiver for 20m Ham band
Five by Twenty : A 5 tubes SSB QRP Transceiver for 20m Ham band.It is a true SSB transceiver built around just 5 vacuum tubes, with no transistors nor ICs. Superhet receiver with AGC and S-meter drives a loudspeaker, 5W transmitter. Very stable VXO uses CB crystals to cover 20m Ham band.
   Five by Twenty
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