Hi Jelle IC9 was also defective in my 20m qcx-mini kit. Very low audio in RX but otherwise ok. After replacement of IC9 the alignment could be finished and I have now very loud audio and about 5W outp

#help #opamp #qcxmini

Hey ho. After tweeking L2 I had a good solid tx o/p of a Watt using an 8V supply and was everything behaving as it should. Except that on touching the frequency control (on receive) there was an inter

#calibration #opamp #20m