Hi all,
i would lik evening I reconized a AGC problem on 40m band. My signal meter shows
S8 to S9 and it sounds like RF-Gain is turned counter clockwise. If
i use ATT to reduce the signal level it does not help. The
signals will drop down but it still sounds like AGC is to high.
I assume it is related to the big signals from broadcast band here in
europe.
However, further I am not sure if my ALC is working correct. I
recoginized following :
If I disconnect my antenna from K2 and turn AGC ON/OFF I hear a
recognizable difference. I tried to adjust R1 to get the same level.
In my case I got the same level if R1 is set to the minimum value.
If I do so it looks like the RF- Gain pot has no effect anymore. I
assume this is not the intention.
I turned it back to the recommended value to get 3.8 volts now.
Any ideas where I can investigate are welcome.
73 de Joerg (DL3QQ)
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