Метка: hf
1 of 2 «headless» SDR progress — video (RU)
Big amplifier progress
Continue working on the new PA controller
Added web control:
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.