[time-nuts] Synchronisation of crystal oscillators

[Richard (Rick) Karlquist]

On 3/1/2020 3:03 PM, Hal Murray wrote:
> 
>
>> OTOH, if you carefully adjust a couple of HP10811's to zero beat, you will
>> have to go to extraordinary measures to keep them from injection locking. A
>> lot more than just running them on individual voltage
> 
> How extraordinary?  How likely are 2 GPSDOs sitting side by side to ock?
> 
It would depend on how well shielded they are, and how well isolated
the supplies are.  I've heard various "war stores" about oscillators
that "couldn't" injection lock but did.

Rick N6RK