[Elecraft] K3 AGC attack rate

Guy Olinger K2AV olinger at bellsouth.net
Mon Aug 22 21:35:21 EDT 2011


Try turning on NB, with LEVEL to T 1-7, 2-7, or 3-7.  Set IF OFF.  I use
that for key clicks on CW and it's marvelous. I leave NB set to 1-7 that way
for use when clicky stuff comes on.  73, Guy

On Mon, Aug 22, 2011 at 9:00 PM, Don Wilhelm <w3fpr at embarqmail.com> wrote:

> Gary,
>
> There are several AGC parameters that overlap, so I don't know which one
> is creating the most grief for you.
> I encourage you to try adjusting the AGC threshold and slope as
> indicated in my "Noisy K3" article on my website www.w3fpr.com.  I would
> think the slope parameter might be effective in reducing the effect of
> your local noise spikes.
>
> It may be better to let the AGC handle the noise spike, but reduce the
> delay so the reduction of gain is shorter.  A bi of experimentation with
> all the AGC parameters may be in order.
>
> 73,
> Don W3FPR
>
> On 8/22/2011 8:33 PM, Gary Hinson wrote:
> > Hi Elecrafties.
> >
> > Is it possible to alter the K3's AGC 'attack rate' (for want of a better
> > phrase)?  Specifically, I'd quite like to stop the AGC-S on SSB from
> > dropping the gain so markedly in response to a short noise spike.
> >
> >
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