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.
No active cooling. Also there are no feedback circuits on both stages and untuned bias on the second.
For qrz.com
Video in russian language
Checking with the thermal camera
https://aliexpress.ru/item/1005006114325611.html Maximum output with 30v input voltage on HF band — 1.369 watts: More input power — failed output: It hasn’t any
Before LPF, 60db att. 60-14.5=45.5 dBm eq. 35.48 watt After LPF 60-14.7=45.3 dBm eq. 33.88 watt Diamond meter before attenuator to TinySA
It has non stock capacitors as I don’t have correct ones, so it requires additional tuning. This is a state after assembly.
Now, everything I need doesn’t fit into the case. So I decided to replace the case.
Never been using TinySA as SA to measure amplifiers.