My LPF board contains hight pass filter to split harmonics to the 50Ohm load, instead of returning it to the transistor.
Measurements.
160m:
80m:
40m:
20m:
15m:
10m:
High pass filter for the LPF for MRFX1K80
My LPF board contains hight pass filter to split harmonics to the 50Ohm load, instead of returning it to the transistor.