Steve,
Looking through the KX-1 manual (I have a searchable PDF copy) I noticed
one thing..
The DDS VO circuitry has a roll-off filter comprised of L4/L5/C50-52 which
has the knee roll-off set just above the 20M band...
BUT - if that was the problem wouldn't it also show up as greatly reduced
transmit power on 20M??
I'll keep looking at the circuitry.... it HAS to be unique to 20M!!
-
Dave G
KK7SS
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