Was curious if anyone knows of any experimentation in replacing XF2001 with
a narrower crystal filter, to improve dynamic range performance? From what
I can discern from the schematics, XF2001 is a 12Khz(?) wide roofing filter
in the 8.2Mhz if, ahead of the narrower user-selectable crystal filters.
Appreciate any info or comments.
Tnx & Happy Holidays,
Barry N1EU
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