[Elecraft] RX I/Q output planned or thought about for the K3/P3?

[Joe Subich, W4TV]

Mike,

The software used for the Elecraft reflector strips HTML.  Thus if your
e-mail program is configured to send HTML only, the message will be blank.

To answer your question:

> I may be wrong on this, but I have (in the past) looked at each and
> every page on the Elecraft web site, looking for "SDR" and "defined"
> and the like. I was unable to locate these (or similar) terms. Had I
> missed a page?

While Elecraft do not specifically state the K3 is an "SDR" on the
web site, Eric, Wayne and Lyle have all referred to it as such on
the reflector.

The definition of software defined radio as given at Wikipedia
(http://en.wikipedia.org/wiki/Software-defined_radio) is:

> A software-defined radio system, or SDR, is a radio communication
> system where components that have been typically implemented in
> hardware (e.g. mixers, filters, amplifiers, modulators/demodulators,
> detectors, etc.) are instead implemented by means of software on a
> personal computer or embedded computing devices.[1] While the concept
> of SDR is not new, the rapidly evolving capabilities of digital
> electronics render practical many processes which used to be only
> theoretically possible.

While there are SDRs that use a minimum of dedicated RF hardware with
most of the control and processing preformed by *software* running on
a general purpose processor (e.g, "IBM PC" or "Macintosh") platform,
an SDR may also be implemented by running code on a dedicated processor
in the device (e.g. Elecraft K3, or any other transceiver that can be
significantly modified by uploading new firmware).

There is currently no commercially manufactured amateur HF rig that
is 100% SDR.  Every one, from the Flex-5000 to KX3 uses a different
mix of dedicated hardware and processor based functions.  However,
nearly every transceiver currently offered contains some decree of
SDR elements.

73,

    ... Joe, W4TV


On 5/9/2012 11:30 AM, Mike Schwendeman wrote:
> FOURTH try… (!!) This time, I have copied the text, and placed it
> into a text editor. I converted (saved it as) a plain TEXT DOCUMENT.
> (Maybe some formatting has entered..?)
>
> I have also removed all TABS, which were in the previous attempts.
>
> I am making this latest attempt on a different machine, different OS,
> etc.
>
> Mike KØJTA
>
> The "THird try" below was sent my be at 10:17 AM, central time.
> ==============================
>
> Third try... (Still am puzzled by my two previous attempts that
> showed that I had posted, but there was no content.) Art, I am CC'ing
> this to you, also; Can you identify my error, please? (Thank you.)
> -Mike- KØJTA === (The following was sent by me at about 0936, my
> time) =========
>
> Hmmm.... For some reason, the TEXT of this email (sent at my time of
> 09:23 AM) was not viewable on the Elecraft reflector. (!) I will trim
> a bit off, and see if this helps. -Mike- KØJTA
>
>
> On 5/9/12 9:23 AM, Mike Schwendeman wrote: Hi, Art;
>
> I may be wrong on this, but I have (in the past) looked at each and
> every page on the Elecraft web site, looking for "SDR" and "defined"
> and the like. I was unable to locate these (or similar) terms. Had I
> missed a page?
>
> I am ASSUMING that the good folks at Elecraft would be extremely
> happy to use the coveted "SDR" term in the description of the K3.
> Yet, I have missed it, if it is there.
>
> To me, the K3 is not an SDR for so many reasons, to be GENTLY
> honest. The KX3 is an SDR, per the block diagram, however.
>
> -Mike-
>
> On 5/9/12 8:52 AM, Arthur Burke wrote: The folks at Elecraft *have*
> mentioned this - they have often made reference to it as an SDR - not
> that it really matters to me one way or the other.
>
> Art - N4PJ
>
>
>
> On Wed, May 9, 2012 at 9:01 AM, Mike Schwendeman ‪<mike at s3com.net>‬
> wrote: Geoff;
>
> As far as I know, the K3 is NOT an SDR........... (Snipped)
> ...........
>
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