144MHz 2SK571 Pri-amp. NF=1.3dB, It was not so good.
I replaced to large coil measured after. NF=0.7dB
144MHz 2SK571 Pri-amp. NF=1.3dB, It was not so good.
I replaced to large coil measured after. NF=0.7dB
144MHz MGF4319G
NF = 0.25dB
Thanks to JA0BLU,JA0EIV
