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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