Yes, again reinforcing my point, Lyle, although you always seem to state
it better. The more I learn about this rig the more I want to play with it.
73,
Larry N8LP
Lyle Johnson wrote:
Yes, that is exactly the point I was trying to make! You can have it
as you like it (I am speculating a bit about the control options in
the firmware, of course). Some people like a wider width at the first
IF to hear signals approaching, even if it opens the window for AGC
blocking or desense. Others would want the two passbands to be
exactly aligned and as narrow as possible, which would provide the
best IMD and AGC performance, but then the signals will drop off the
cliff as you tune. What you appear to have done is allow nuance in
these adjustments, which I think is quite clever and well thought
out. I can't wait to play with it.
One other feature you're sure to like, then, is the CW "context" or
"PB2" filter. Set this one as wide as you like -the crystal filter
selection will be driven by this. Then set a "suppression level"
maybe down 10 or 20 or 30 dB. Overlay this with the narrow filter you
want and presto! You can hear the context from nearby stations, but
at reduced amplitude, while the signals in the narrow filter you are
working (or trying to work :-) are emphasized and drive the AGC level.
73,
Lyle KK7P
.
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