[time-nuts] GPSDO project
Christophe Huygens
christophe.huygens at cs.kuleuven.ac.be
Mon Jun 29 13:19:13 UTC 2009
Consider a 2nd hand low phase noise source like a
PTS-160.
Best regards,
Xtof.
Brad Dye wrote:
> Many thanks to all who responded to my request for help on this project.
>
> The SDR-IQ (http://www.rfspace.com/SDR-IQ.html) already has a built-in
> 66.6667 MHz osc, I just want to make it more stable and reasonably
> accurate, as I use it as a general coverage HF receiver with a one-Hertz
> read-out. There is a place for a surface-mount jack on the PC board --
> so that an external osc can be used -- although this feature is not
> promoted by the manufacturer. This SDR does most of its own processing
> in hardware and doesn't rely on a computer sound card as much as some
> SDRs do.
>
> There was one response, offering a kit to do what I need, but it
> requires more test equipment for tuning and calibration than what I have
> available. I am still looking for a simple, completed oscillator that
> will accept 10 MHz from a Thunderbolt GPS receiver and supply 66.66666
> MHz for my SDR as described here:
>
> http://www.braddye.com/gps_do.html
>
> My background is in radio paging where we use GPS receivers to keep our
> 900 MHz transmitters on frequency for simulcast operation. I really
> appreciate the time everyone took to offer suggestions.
>
> 73s
>
> Brad Dye, K9IQY
> Springfield, Illinois
>
>
>
>
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