5 Band LPF for HF Amplifier (up to 200W)
As many wish to make the cheap PA-70, PA-100 type Chinese SSPA using IRF530 based MOSFET. I always advise them to never operate a SSPA without final LPF. We do…
5 band filter
As many wish to make the cheap PA-70, PA-100 type Chinese SSPA using IRF530 based MOSFET. I always advise them to never operate a SSPA without final LPF. We do…