[Elecraft] DSP usage

Tue Jul 22 12:48:00 2003

I agree with Earl and find the "30" decay setting
to be about right for the CW  NR. I have CF1 and
CF2 "stock" with CF3 set to 150 Hz BW and CF4
to 50 Hz. Using CF3 and 4 with a 200Hz IF bandwidth
is just about ideal IMHO.

Doug
W6JD

----- Original Message ----- 
From: <[email protected]>
To: <[email protected]>
Cc: <[email protected]>
Sent: Tuesday, July 22, 2003 7:15 AM
Subject: Re: [Elecraft] DSP usage

> Hi, Vic,
> 
> You wrote:
> 
> "Regarding the KDSP2 on CW: I'm wondering if anyone has
>  
> 1) Found the nr2 - 4 positions useful.  It seems to me that the nr1
> setting is always optimal."
> ----------
> Yes, the NR functions are too aggressive, making NR2 thru NR4 not too
> useful.  If the filter "taps" could be reduced so that NR1 thru NR4 act
> like "NR0" thru NR3, it would be much more versatile.  To accomplish this
> would require changes in the firmware (which I hope will happen).
> ==========
> 
> "2) Found a better adjustment for beta and decay than the default.  If
> you have, could you explain how it helps, or what kind of signal it helps
> with?"
> ----------
> I've played around quite a bit with the beta and decay adjustments.  With
> the beta at 87 (the default) and decay at 30 (default is 71), it sounds
> better to me because it has the effect of appearing to slightly reduce
> the NR's aggressiveness on both CW and SSB.
> 
> 73, de Earl, K6SE
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