Dear All , In my Ropex transmitter I have a class D PA with 2 power fets Fairchild RFP 70N06 with rather generous ratings 70 Amps each and a max voltage of 60 Volts the supply voltage is 13.8 Volts a
Dear Jim , LF group . Tnx for your explanation of what happens inside the FETS . after reading your comment and of several others I think it will be wise to measure the SWR between the TX and antenna