[time-nuts] Caveats on Allan Deviation with ultra stable oscillators

Richard (Rick) Karlquist richard at karlquist.com
Thu May 29 12:47:05 EDT 2014


On 5/29/2014 9:15 AM, cdelect at juno.com wrote:

> On these latest oscillators at the longer Tau (>100sec.)
> the Quartz versus Quartz data shows much better performance
> than the Quartz versus Maser!
>
> What is happening (I think) in this case is that both Quartz units
> have exceptionally low and similar ageing.

Or alternately, the quartz units are injection locking to
each other.

Rick



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