Wolf 3.5″ IMD 3
10watt power 28dbc — 34db PEP: 10watt power 30dbc — 36db PEP: 5watt power 15dbc — 21db PEP:
Метка: amplifiers
Wolf2 amplifier IMD3
102W 26dbc = 32 db PEP (taking average — did multiple measures and they were around this value): 1A current on the
Wolf 7 amplifier IMD 3
DAC driver output — intermodulations somewhere at the noise floor 🙂 : 50W 37dbc = 43db PEP: 80W 31dbc = 37db PEP:
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
Wolf 7″ first HF transmission
Video in russian language
Amplifiers hottest parts measurements
Checking with the thermal camera
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
20m band check of rd16 amp. with 3 devices :)
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
One more RD16 amplifier pt.1
It has non stock capacitors as I don’t have correct ones, so it requires additional tuning. This is a state after assembly.