One more big LPF finished
New LPF for big amp.
MicroPA 50+ replacing transistor — update — video (RU)
MicroPA 50+ replacing transistor — video (RU)
IRF530 to RD70HUF2 experiment. Video (russian).
One more ADC module
1 more ADC module for QMTech SDR
Little tuned bias on wolf RU4PN qrp unit
IMD3 QRP Wolf
Assembling new big LPF
And cooler for flatpack he.
Building amplifier — lost count :)
Started building my own new amplifier controller (STM32F405RGT6 backend + esp32 s3 frontend) with blackjack and hookers.
Finishing IR station controller
Firmware by watashi_sv.
Amplifier case — day 3
Big box SDR temperatures
100W SDR in thermal camera