[Elecraft] using P3 and Skimmer

[Guy Olinger K2AV]

One is enough.  If skimmer is really needed, and you want the panadapter and
the ability to drive various programs, you get LP-Pan instead of a P3.

A P3 was made so someone with ONLY a K3 and a P3, WITHOUT a PC, could have a
panadapter.  The P3 was not designed as a do-all for all things SDR.
 Elecraft may get around to some add-ons, like IQ output from a P3 or some
such, but those are business decisions.  A K3 had a very clear, specific
intention to begin with, which it brought to life very nicely.

73, Guy.

On Mon, Aug 29, 2011 at 2:34 AM, David Gilbert <xdavid at cis-broadband.com>wrote:

>
>
> OK ... I was wrong about how easy it would be to do.  I still find it
> difficult to believe that any of us should need two different pieces of
> hardware to accomplish what is basically the same job.
>
> Dave   AB7E
>
>
>
> On 8/28/2011 6:22 PM, Joe Subich, W4TV wrote:
> >
> >> The upcoming KX3 will have buffered I/Q outputs, though, so clearly
> >> it could have been accomplished without undue cost adders. In my
> >> opinion, it would have made far more sense to include it in the P3.
> >
> > The circuit of the P3 and the KX3 are massively different.  If you had
> > bothered to read the P3 manual and study the block diagram/circuit
> > description you would not have made such a ridiculous statement.
> >
> > The P3 does not create audio internally *at all* - to generate I/Q
> > would require essentially duplicating the P3's entire "IF" along
> > with a separate controller to maintain independent tracking frequency
> > control, an independent "wideband" I/Q audio output and digital to
> > analog converters.
> >
> > 73,
> >
> >    ... Joe, W4TV
> >
> >
> >
> > On 8/28/2011 8:08 PM, David Gilbert wrote:
> >>
> >> Hi, Doug.
> >>
> >> It cannot be done without the addition of some other SDR hardware, such
> >> as an LP-Pan or SDR-IQ or Softrock.
> >>
> >> I publicly, privately, and unsuccessfully lobbied for well over six
> >> months prior to the introduction of the P3 for Elecraft to include
> >> buffered I/Q outputs in it so that it could be used with third party SDR
> >> software like CW Skimmer.  The fact that it doesn't is why I don't own
> >> one and instead bought an LP-Pan.  There are so many interesting things
> >> that can be accomplished with SDR applications that I don't want to be
> >> without that capability, and in my opinion buying two sets of hardware
> >> to do essentially the same thing is an unnecessary redundancy.
> >>
> >> The upcoming KX3 will have buffered I/Q outputs, though, so clearly it
> >> could have been accomplished without undue cost adders.  In my opinion,
> >> it would have made far more sense to include it in the P3.
> >>
> >> 73,
> >> Dave   AB7E
> >>
> >>
> >>
> >>
> >> On 8/28/2011 2:51 PM, DOUGLAS ZWIEBEL wrote:
> >>> I have noted on the P3 panadapter page from Elecraft, that one of the
> >>> "features" or uses is cited as
> >>>
> >>> http://www.elecraft.com/P3/p3.htm  (bullet #11)
> >>> Buffered IF output to drive other equipment (CW Skimmer etc.)
> >>>
> >>> Can anyone describe for me just how this is specifically
> >>> accomplished for
> >>> use with Skimmer?  I don't see any references to "how to hook it up
> >>> with
> >>> Skimmer" anywhere in the P3 user's manual, while I see a lot of
> >>> documentation for "how to" with LP-Pan.
> >>>
> >>> Thanks,
> >>> de Doug KR2Q
> >>>
> >>> K3 SN: 295, 822
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