Re: KX2 added to Sherwood's list

Posted by wayne burdick on Aug 02, 2017; 3:57am
URL: http://elecraft.85.s1.nabble.com/KX2-added-to-Sherwood-s-list-tp7632773p7632991.html

We found the problem; turns out to be in the setup command to the DSP, not in the DSP itself. With any luck we'll have it fixed this week in both rigs.

Wayne
N6KR

----
http://www.elecraft.com

> On Aug 1, 2017, at 6:29 PM, K9MA <[hidden email]> wrote:
>
> Another interesting detail, I think.  For the KX3, if I recall correctly, both the QST review and Sherwood's tests indicated that the audio image (opposite side of zero beat) wasn't all that far down, like 60 dB, and limited close-in dynamic range.  I don't recall any such qualifications for the KX2, and indeed mine doesn't seem to have an audible image even on the strongest signals.  (Not a scientific test, I know, but I think I'd hear an image 60 dB down.) If this is so, what is the difference responsible?
>
> Note that the optional "roofing" filter in the KX3 is really just an audio filter.  While it may improve dynamic range beyond a few kHz, it has no effect on the image.
>
> 73,
>
> Scott  K9MA
>
>
> --
> Scott  K9MA
>
> [hidden email]
>
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