[Elecraft] Re: sigmoidal keying mod

Wed Mar 24 06:31:01 2004

Is the burst because the AGC discharges during the baud and must
recharge at keyup? Or the DSP unlocks from it's solution to the noise
"problem" while the RX is muted and must resynch itself to the problem
at keyup?

Guy.

----- Original Message ----- 
From: "Vic Rosenthal" <[email protected]>
To: "Brendan Minish" <[email protected]>
Cc: <[email protected]>
Sent: Wednesday, March 24, 2004 12:37 AM
Subject: Re: [Elecraft] Re: sigmoidal keying mod

> Brendan Minish wrote:
>
> > Sorry, I meant this one
> >
http://www.ac6rm.net/mailarchive/html/elecraft-list/2003-08/msg00401.html
>
> If I understand correctly, this is also related to leading-edge
noises.
>     I don't seem to have this problem.  I did replace the J310's
with
> J309's a long time ago in an attempt to reduce the clickyness when
t-r =
> 0 with the version 1 firmware.  What bothers me is a burst of noise
when
> the rx unmutes.
>
> -- 
> 73,
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco
>
>
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