Little tuned bias on wolf RU4PN qrp unit
IMD3 QRP Wolf
IMD3 QRP Wolf
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.
100W SDR in thermal camera
Progress