When doing the filter alignment with spectrogram i see a filtercurve
going up to -30db for approx 5 seconds. Then the signal goes down to
-40db. Alway when switching to another band or to another mode this
happens. This effect is independent from the operation mode (LSB,
USB, CW). First the signal goes up to -30db and then down to -40db.
Switching on or off the AGC does not matter. Increasing AF Gain helps
not to get a steady signal at -30db. What causes this effect ? What
is wrong?
Thanks for help
Michael, DC0ZO
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