[Elecraft] Possible phase noise question...

[David Cole]

I am running JT65, the bandpass is on the order of 1 to 2 KHz, the
signalink is spraying across at least 1 KHz. with wideband noise.

-- 
Thanks and 73's,
For equipment, and software setups and reviews see:
www.nk7z.net
for MixW support see;
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for Dopplergram information see:
http://groups.yahoo.com/neo/groups/dopplergram/info
for MM-SSTV see:
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On Tue, 2014-07-01 at 16:17 +0200, Per-Tore Aasestrand wrote:
> But why will not the K3 filters take care of any too wide signals
> coming from the SignalLink?
> .
> 
> On 1 July 2014 16:11, David Cole <dave at nk7z.net> wrote:
> > Hi,
> >
> > We are starting to focus on the Signalink soundcard itself...  I can't
> > imagine it is the Elecraft K3 failing, as a dead carrier does not cause
> > the spray, only when audio is being supplied to the transmitter, and
> > only when from the Signalink, does the problem happen...
> >
> > --
> > Thanks and 73's,
> > For equipment, and software setups and reviews see:
> > www.nk7z.net
> > for MixW support see;
> > http://groups.yahoo.com/neo/groups/mixw/info
> > for Dopplergram information see:
> > http://groups.yahoo.com/neo/groups/dopplergram/info
> > for MM-SSTV see:
> > http://groups.yahoo.com/neo/groups/MM-SSTV/info
> >
> >
> > On Tue, 2014-07-01 at 14:49 +0100, Ian White wrote:
> >> >
> >> >That indicates to me that your soundcard ADC is being overdriven, or
> >> >that you have a bad soundcard.
> >> >
> >> >73,
> >> >Don W3FPR
> >> >
> >>
> >> The sound card could also be overdriven if another unrelated program has
> >> changed the settings.
> >>
> >>
> >> 73 from Ian GM3SEK
> >>
> >>
> >>
> >>
> >> >-----Original Message-----
> >> >On 7/1/2014 1:02 AM, David Cole wrote:
> >> >> Here is a bit more info on the issue...
> >> >>
> >> >> If my friend moves his frequency just out of the radio passband, as
> >> >> shown on the P3, the problem go away...  The base noise level drops
> >> back
> >> >> down to normal...  Only when his signal is within the passband as
> >> shown
> >> >> on the P3 does the base noise level rise...  I also narrowed the
> >> filter
> >> >> down to eliminate his signal, and as soon as his signal movers out of
> >> >> the pass band, the problem ends...
> >> >>
> >> >> Is it just that the K3 is not dealing with his signal levels?  This
> >> >> happens when he is running 5 Watts, and he is 1/2 mile from me...
> >> >>
> >> >
> >>
> >
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