[Elecraft] [Elecraft_K3] Re: [K3] Possible remedy for my noisy K3 and hiss?

[Keith-K5ENS]

Caution:

A caution about evaluation of the effects of the change - please listen to
the noise level that appears during breaks while listening to a signal.  If
you listen to only the noise level with no signals present, you will find
that the noise level decreases as you lower the threshold setting.  This is
a false perception.  What is actually happening is that you are reducing the
level where the AGC response begins, and since the noise is now producing
AGC action, the noise will reduce the gain of the receiver, giving the
appearance that the noise level is being reduced, when in fact, just the
opposite will happen when listening in the presence of signals on the band.


Keith



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