hf — Страница 2

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:

IRF530 to RD70HUF2 experiment. Video (russian).

It will be used for the second transceiver. It has pretty good characteristics now. Around 92-94dbc IMD3 and sensivity around -137dbm (still

50db ATT, 14.1Mhz ~30dbc, 36dbc PEP

And cooler for flatpack he. https://www.youtube.com/shorts/pD0XqEJSAwA

Started building my own new amplifier controller (STM32F405RGT6 backend + esp32 s3 frontend) with blackjack and hookers.