Re: RF Power #chat


g4sra
 

They look like dBW figures ?

On 01/09/17 23:16, SM7ETW Jan wrote:
The following is my U3S *without any LPF* , bias adjusted to keep overtones down.
The overtone values are dB down from main carrier.
U3S  all values in dBm
Frequency kHz Power out dBm 2nd overtone 3rd overtone 4th overtone 5th  overtone
137 22.6 -29.1 -8.9 -36.7 -14
475 23.6 -27.6 -9.4 -33.1 -14.1
1900 23.8 -35.5 -9.66 -39.8 -18.2
3600 23.9 -36.8 -9.9 -37.5 -14.6
5300 23.6 -36.5 -9.6 -35.1 -14.6
7100 23.9 -34.3 -10.1 -32.2 -15.1
10130 23.8 -30.8 -10.2 -26.8 -15.6
14100 23.5 -25.9 -10.4 -22.5 -22.3
18100 23.4 -22.9 -10.7 -19.2 -25
21100 23.2 -20.6 -11.2 -19 -26.9
25000 23.2 -17.6 -13.0 -19.7 -39.2
28500 23.1 -15.5 -15.3 -21.6 -39.1
50100 21.3 -17.3 -36.3 -28.3 -21.3
70100 18.8 -17.8 -23.8 -24.8 -18.8
145000 10.8 -13.3 -25.8 -10.8 -10.8
200000 9.1 -9.1 -9.1 -9.1 -9.1
220000 6.2
230000 8

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