[time-nuts] Using GPS to Fine Tune a Rubidium Frequency Standard.

[Hal Murray]

albertson.chris at gmail.com said:
> There seem to be two different class of Rb.  One takes an EFC just like the
> OCXO so the controller looks just like a GPSDO and the other class of Rb
> accepts serial commends to adjust the frequency.  These have an internal
> DAC.  But either way the logic is the same. 

Is it a DAC or DDS chip?  Has anybody looked at the spectrum?


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