[hpsdr] Jackson Labs GSPTCXO 'News'

[John Westmoreland]

HPSDR,

I have updated the Wiki Page with the following files provided by George
'Said' of Jackson Labs:

http://openhpsdr.org/wiki/index.php?title=GPSTCXO

Some File Updates:

PDF Schematic of
EVB<http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/gpsocxo_eval.pdf>

GPSTCXO Eval Board
Gerbers<http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/GPSOCXO_EVAL_BOARD_Rev1-0-gerber.zip>

GPSTCXO Eval Board Mechanical
Dimensions<http://www.westmorelandengineering.com/OpenHPSDR/GPSDO_Candidate_Designs/mechanical_dim.pdf>
73's,
John
AJ6BC

On Thu, Apr 26, 2012 at 10:40 AM, John Westmoreland <
john at westmorelandengineering.com> wrote:

> Open HPSDR,
>
> Just some 'news' regarding the Jackson Labs GPSTCXO.
>
> I have been able to calibrate Excalibur with the GPSTCXO with J1 removed
> from Excalibur (since the JL EVB outputs to a High-Z).
>
> That seems to work OK.  There are a few errors in the docs - like the
> module is 3.3V not 5V.  The EVB has a 5V to 3.3V converter on it.  Also
> there is a 1PPS output on the EVB (just some slight rework that isn't
> reflected in the docs nor the schematic).
>
> Said has given me updated files, schematic plus gerbers for the EVB.  I
> will update the Wiki later today with links.
>
> Overall I think this looks like a good/great candidate solution.  The
> console program provided by JL works fine plus I downloaded GPS CON and
> that works fine as well.
>
> If anyone else is interested in acquiring a unit, which contains the
> module, antenna, EVB board, USB cable, and software CD - please let me know
> and I will e-mail you the information.
>
> 73's,
> John
> AJ6BC
>
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