Playing with filters for Wolf 3.5″
Replaced inductors with non-smd: 160m: New: 80m: Old: New: 40m: Old: New: 30m: Old: New: 20m: Old: New: 18Mhz: New: 15m: Old:
Метка: hf
Wolf 3.5″ battery
Wolf 3.5″ is finished too.
There is some tuning needed, but almost nothing to solder anymore, just 2m filters mods required. And all works.
Wolf 3.5″ first QSO
80watt VHF module is working.
There are some place for modifications and tuning, but… assembly for big wolf is finally finished… I hope I’ll never repeat it
Was struggling to understand what was overheating :)
SWR was increasing and power was lowering. Was trying to figure out whats wrong… Finally…
Wolf 7″ amplifier in the thermal camera
No active cooling. Also there are no feedback circuits on both stages and untuned bias on the second.
Just photo of mrfx1k80h amp. parts
For qrz.com
Wolf7 first QSO
Plus couple photos.
Wolf 7″ first HF transmission
Video in russian language