[time-nuts] OCXO phase pops

[Magnus Danielson]

How does it behave when you run the PRS-45 in open loop?

Cheers,
Magnus

On 05/09/2016 02:43 AM, Bob Stewart wrote:
> I started getting phase pops in my testing recently, and I'm pretty sure they're from the PRS-45A Cs standard.  Is this likely to go away after it cooks some more, or do I need to start looking for a new OCXO?  It's been running since January, and has an MTI marked model number 250-0827.  The only thing I has as a potential replacement is the 260-0624-C in a spare KS-24361.  I have no idea whether they are even close in quality or power/EFC needs.  Oh, and when one of these pops happens (usually between 1 and 2ns) the output tracks back to where it was, so it doesn't seem like it's a problem with the other parts of the PRS.
>
> Bob - AE6RV
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