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
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
60db att. before SA. Calculated watts from main signal. First stage is disabled (fried transistor). 5 volts p2p input.
It has non stock capacitors as I don’t have correct ones, so it requires additional tuning. This is a state after assembly.