[Elecraft] K3: Strong Signals in passband

[David Cole]

Don,
Thanks, not sure why I did not think of that, I am just not fully aware
of all the options this radio has...  Done!  I will let you know!

-- 
Thanks and 73's,
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On Wed, 2014-08-06 at 09:06 -0400, Don Wilhelm wrote:
> David,
> 
> Try reducing the Line Out level on the K3 to see if that makes a 
> difference.  At one time there was a recommendation that the Line Out 
> level should not exceed 10 to minimize distortion.
> You may have to increase the LINE IN setting on your computer to compensate.
> 
> 73,
> Don W3FPR
> 
> On 8/6/2014 8:55 AM, David Cole wrote:
> > Hello,
> > I have a few friends who live close by.  When they operate, digital, and
> > while the K3 is in DIGITAL A mode, I see what looks like random white
> > noise across the audio passband of the K3 audio waterfall, (not on the
> > P3 at all), when viewing with any digital program.  I have been
> > attempting to characterize this a bit more prior to asking questions so
> > here is what I see:
> >
> > 1.  Any strong digital audio signal, causes this issue.
> > 2.  Looking at the P3, I see no ill affects.
> > 3.  The K3 is feeding my computer's sound card.
> > 4.  The same setup only using an Icom 756 PRO III did not do this.
> > 5.  I am feeding the sound card from the rear audio jack.
> > 6.  I have watched loud signals drift louder, and had the problem start,
> > while I was looking at it.  There is an avalanche effect.
> > 7.  Turning down the RF gain control, which reduces audio, reduces the
> > issue.
> >
> >
>