Preamp for mrfx1k80 — WSPR test
Temporary solution to drive big amp.
Автор: enthru
mrfx1k80 first run
First test run of the big amp.
Choke for antenna (dipole without balun)
Photos for memory 🙂
Big amp. work
Thermal paste and a bit polishing.
Some big amp. work
Started assembling LPF.
Continue working on SDR Box
Some improvements.
Checking DPS5020 after years of not using
It was a kit from aliexpress. Time to solder some wires properly and check that it’s still working.
Packages (Tiny SA, 2d TRX-DUO)
After more then 2 months of awaiting, finally…
Packages — fans arrived
48v fans for amplifier.
5w HF amplifier
It’s for using TRX-DUO as signal generator.