Amplifiers hottest parts measurements
Checking with the thermal camera
Checking with the thermal camera
Not bad 🙂
Issues summary.
This test is not precise, as I’m holding thermocouple and fan in hands. Just rough measurement to check how it is.
Just received.
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
Just photos
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
Just figured out that there is a software like for hp 34401a
It has non stock capacitors as I don’t have correct ones, so it requires additional tuning. This is a state after assembly.