Re: [KX3] ADC/DAC access, keyer input

Posted by Christian KJ4VPK on
URL: http://elecraft.85.s1.nabble.com/KX3-ADC-DAC-access-keyer-input-tp6703089p6703638.html

? If the SDR in the KX3 is presenting analog stereo I/Q why can't this be simply USB to make the KX3 look like an external sound card to present the same I/Q as an all digital path to the USB host (PC). No need for outboard SDR, we aren't talking about IF.

73,
Christian
KJ4VPK

-----Original Message-----
From: Tony Estep
Sent: Friday, August 19, 2011 10:33 AM
To: [hidden email]
Subject: Re: [Elecraft] [KX3] ADC/DAC access, keyer input

On Fri, Aug 19, 2011 at 9:15 AM, gmaxwell <[hidden email]> wrote:

>
> > There's zero to be gained by having an outboard SDR box that would
> > duplicate
> > the down-conversion circuits in the KX3. My bet is that Elecraft would do
> > a
> > better job with that circuitry than today's SDR makers.
> >
>
> Exactly.
>

============
Which is why you don't want the I-Q created by an outboard box, you want to
get it out of the KX3. And that's just what the Elecrafters have done for us
in the KX3's design, in response to requests from those who now have
outboard SDR boxes.

Tony KT0NY

--
http://www.isb.edu/faculty/facultydir.aspx?ddlFaculty=352
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