JUMA Amateur Radio Forum

I cannot find where to adjust microphone gain. I have adjusted SSB Gain R26 to Max, but only get one watt output. Input is set to Mic. I have 0.9 volts on the electric mic hot side. All the voltages around the Mic amps are good. Cw transmit is good. Documentation states that Mic gain can be adjusted...

That is such a Great idea. I would also like to modify my trx1 to work on 20 and 15 meters. I was thinking about using a Si570 for the vfo but I am not sure if that would work since the output is a square wave which is rich in harmonics, special attention to filtering would be necessary. The low pas...