Was struggling to understand what was overheating :)
SWR was increasing and power was lowering. Was trying to figure out whats wrong… Finally…
Автор: enthru
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
Some stuff :)
Tang nanos and Portapack
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 LPF parameters
Photos of nanovna filters measurement.
Wolf 7″ first HF transmission
Video in russian language
Nixie clock assembled
Photos + short video
Nixie clock kit received
Gra & Afch kit