144 MHz Amplifier with GU74b
I am working at the cavity to improve the input. Because of high SWR I made some experiments with the input circuit. After testing the new input circuit I will show the results here.
Amateur Radio Station – DL2MDU
Amplifier Antenna CW DX Tubes Tuner
I am working at the cavity to improve the input. Because of high SWR I made some experiments with the input circuit. After testing the new input circuit I will show the results here.