New PA controller code and PCB
It’s still under heavy development, but because, maybe, I’ll unable to spend enough time on that in near future I decided to
Метка: hf
Big amplifier first run video (RU)
LPF for QRP wolf
1 of 2 «headless» SDR progress
Big amplifier progress
Continue working on the new PA controller
Added web control: https://www.youtube.com/shorts/ccnnh0VyIVU
One more big LPF finished
Loses before LPF 😀 DeepVNA calibrated once on 1-30MHz band. 160m: 80m: 40m: 20m: 15m: 10m: 6m:
MicroPA 50+ replacing transistor — update
Video (RU)
MicroPA 50+ replacing transistor
IRF530 to RD70HUF2 experiment. Video (russian).
One more ADC module
It will be used for the second transceiver. It has pretty good characteristics now. Around 92-94dbc IMD3 and sensivity around -137dbm (still