I could be wrong, but I don't see how. Isn't the 9Mhz
passband center of fixed frequency (i.e. 9Mhz)? If so,
the 250hz spectrum that gets through the roofing
filter is also fixed.
73,
Barry N1EU
> Carl,
>
> Does this mean that if I select, say a 250 Hz
roofing filter that I can in
> the IF play with that filter to get any 250 Hz of
audio passband desired?
> Say from 250 - 500 Hz, or 1250 - 1500 Hz or 2250 -
2500 Hz?
>
> 73,
> Mark
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