Different inductors in BPF
Replaced inductors in BPF — 2 handmade and other non-smd inductors from aliexpress. I forgot to make a photo of the result
Метка: wolf
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″ RX circuit measurements.
I’m using not best quality 0805 inductors (it’s just too hard to buy good here in Batumi) from aliexpress so BPF loss
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.
Wolf7 first QSO
Plus couple photos.
Wolf 7 LPF parameters
Photos of nanovna filters measurement.