Just transmit on 20m band before little tuning (after tuning of the bias I’ve got around -54dbm of 2d harmonic). 60db att:
Читайте далее
BPF: LPF, it’s possible to tune it a bit:
BPF: LPF:
Completely assembled, but…
AMP is on RD15HFF MOSFETs, has a tuner and place for SAW VHF filter:
New JLCPCB order received.
To not damage it in the backpack.