I am enjoying my recently completed K2-6148 very much, but I had a
couple of questions and thought others might have some constructive
thoughts.
While some folks like a slightly soft AGC in the receiver, I'm one of
those folks that finds that soft signals received softer than loud
signals (especially SSB) is tiring. I prefer a very stiff and level
AGC. Mind you, this has nothing to do with the fast/slow delay rates
or anything along those lines.
1). My K2 exhibits good AGC performance and I believe it works as
designed, but it is a soft AGC. Are there any ideas on modifications
to the AGC IC (LM833) that might stiffen the AGC performance?
2). I'm another of those folks where my AGC threshold voltage will
not go above 3.7x volts. It is my feeling that a threshold set so
that the AGC actually releases at the noise level is better than a
setting where the AGC is ON at all levels. On my K2 the AGC never
releases at any level. Any thoughts on getting the AGC to release
correctly?
Thanks in advance!
-Paul Pollock KD7BWB
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