Re: Noisy K-3 Receiver
Posted by
Don Wilhelm-4 on
Dec 17, 2009; 6:36pm
URL: http://elecraft.85.s1.nabble.com/Noisy-K-3-Receiver-tp4173832p4182761.html
Graham,
BUT - the K3 "RF Gain" control ONLY controls the IF gain - it does not
reduce the gain of the receiver front end - in that respect, the K3 is
similar to those other receivers that you referred to.. The preamp and
attenuator DO change the front end gain.
73,
Don W3FPR
Graham Kimbell (G3TCT) wrote:
> This is a major irritation that has only surfaced with recent firmware
> changes - the problem wasn't there in f/w 3.27. Other receivers I've used
> keep the S/N constant with the rf gain backed off presumably because they
> are reducing the IF gain further back in the rx.
>
>
>
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