Re: K3 15khz 2nd IF?

Posted by David Toepfer on Oct 15, 2007; 6:37pm
URL: http://elecraft.85.s1.nabble.com/K3-15khz-2nd-IF-tp454741p454744.html

You can plug 1a 15kHz IF directly into soundcard and get 30kHz bandwidth of
software defined radio.  This would be good for DRM too, I immagine.

dt
.

--- Brett gazdzinski <[hidden email]> wrote:

> Just wondering if anyone can clue me in on the 15 KHz second
> IF frequency used on the K3.
> I was wondering why 15KHz, instead of 10, or 50 KHz?
>
> I know it gets harder to sample the higher you go, but what are the
> advantages of 15 KHz over audio frequencies, and is not 20 or 50 KHz
> possible? What about 10KHz?
>
> Just what drives the choice of 15 KHz?
>
> Brett
> N2DTS
>
>  
>
>
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