Chopping out a part of the spectrum of a voice signal is fairly serious
"surgery," resulting in noticeable distortion products. The reverse [a
peaking filter like the Q-multipliers of yore] is also true. OTOH, the
notch filter, while adding a lot of distortion, may render a signal
covered by a strong carrier or CW signal readable.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
Rocco Conte wrote on 11/13/2023 7:29 AM:
Hello Everyone,
I have a K3 that a friend of mine let me borrow to try out. I noticed that
when I turn on the auto notch, the received audio seems to get somewhat
distorted. Voices sound sort of "muddy" and not crystal clear like they do
without the auto notch filter. This is happening on all bands and at all
different signal levels as far as I can tell. Am I missing something here?
I have looked at the manual for settings but I am not sure what I should be
looking for.
Any advice would be greatly appreciated.
Thanks,
Rocco - WU2M
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