Hi Charles:
The SRS PRS-10 is based on their 10 MHz SC-10 oscillator. This is what I installed in the Gibbs rack box and made use
of it's the power supplies and added down counters to get a 1 PPS output.
http://www.thinksrs.com/products/SC10.htm
There are options for phase noise and aging and I suspect these same options
could be used when ordering the PRS-10.
Maybe Tom has data on some of the SC-10 oscillators?
Mail_Attachment --
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
http://www.prc68.com/I/DietNutrition.html
Charles Steinmetz wrote:
Karen wrote:
> Really I am looking for a source with a good short range stability
performance between 1 and 10 seconds.
I concur with everything Tom wrote. If that is your goal, the best you are likely to do is with a good, free-running
(non-disciplined) OCXO. That will have the best stability you can get (short of a hydrogen maser) from 0.1 seconds to
~100 seconds.
For the convenience of having automatic drift correction, many of us use GPSDOs and turn off the disciplining before
making measurements.
I might consider a PRS10 as an alternative, but certainly no other "compact" Rb, disciplined or otherwise. Even the
rack-mount HP 5065 can't beat a good free-running OCXO. Many of the "compact" Rb units (and especially the FE5680)
have nasty output waveforms with many spurs.
Best regards,
Charles
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