amplifiers ⁽²⁾

Hereby some pictures showing the initial experiments. First QSO gives some positve feedback. Hope the pictures give some idea. 73 Johan PA3GSB

20W Amplifier From Deepu, VU3TLD i received a bare PCB board, he designed a PCB based on the developement done by G6ALU. It took some time to collect all the required components. I had a great time building this amplifier. Winding the toroids and assembling…