Paper QSL from Japan and some work.
Paper QSL and work on the 1.2KW LPF and amplifier controller.
Метка: hf
48v cooler PWM control via arduino
Noise levels from that fan.
Just received some stuff
Flatpack2 3000 + photo of some big.amp. stuff
Low power amplifiers and radiators
Photos of semi-finished RD16 amp. and mrf9180 amp.
SDR box — finally it fits into the case
Preamp for mrfx1k80 — WSPR test
Temporary solution to drive big amp.
mrfx1k80 first run
First test run of the big amp.
Continue working on SDR Box
Some improvements.
Packages — fans arrived
48v fans for amplifier.
5w HF amplifier
It’s for using TRX-DUO as signal generator.