Unknown wideband amp. from Aliexpress
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
HAM radio, MTB, Photos…
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.
Final changes, just photos.
DCV (5.0000 ref): ACV (4.999 ref): 100K (100.061 ref): 10K (9.9998 ref): 1K (0.9994 ref): 100R (99.935 ref): REF 1.019: REF 9.82:
DCV (5.0000 ref): ACV (4.999 ref): WIth freq.: ACV (4.999 ref): WIth freq.: 100K (100.061 ref): 10K (9.9998 ref): 1K (0.9994 ref):
Inductors and capacitors + tear down
Inductors and capacitors