[time-nuts] PRS10 1 PPS Out having random phase jumps

Mike Cook michael.cook at sfr.fr
Mon Nov 23 16:26:00 EST 2015

I’ve not seen this but have only used the 1PPS OUT for validating the perf. specs. I have seen no issues over 1-100000 secs. Over what time scales are you talking  ? Is the 1PPS IN being used to discipline the outputs?

> Le 23 nov. 2015 à 21:11, James Robbins <jsrobbins at earthlink.net> a écrit :
> Has anyone using the 1 PPS output from a PRS10 rubidium found significant
> random phase jumps?  I'm getting these random phase jumps while using the
> PRS10 as a TI base for ADEV.  I can use the 10 MHz output of the PRS10 to
> feed a T2mini without any similar jumps.  Wondering if it might be heat
> related or other.  Needless to say, such jumps screw up the TI ADEV readings
> and convert the TimeLab readings from the E-12 range to E-1 or so.  Thanks.
> Jim Robbins
> N1JR
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