[time-nuts] Is oscillator sync always bad?

[Lux, James P]

> -----Original Message-----
> From: time-nuts-bounces at febo.com
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Predrag Dukic
> Sent: Thursday, December 18, 2008 12:20 PM
> To: Discussion of precise time and frequency measurement
> Subject: [time-nuts] Is oscillator sync always bad?
>
>
>
> Hi, Time -Nuts,
>
> Did anyone try to deliberately allow  syncronisation  of two
> oscillators, by , for example paralleling  outputs of two 10811.
>
> I expect to see some benefits from the usual statistics:   Phase
> noise divided by sqrt of 2    and also decreased  amplitude   random
> frequency jumps.
>
> Aging could also be average of the two.....
>
> Predrag Dukic
>
>

 Allan, et al., did a thing with 8 small oscillators in a ring.  I don't recall if they deliberately tried to have them mutually couple, or if it was designed to try and cancel acceleration effects.


James Lux, P.E.
Task Manager, SOMD Software Defined Radios
Flight Communications Systems Section
Jet Propulsion Laboratory
4800 Oak Grove Drive, Mail Stop 161-213
Pasadena, CA, 91109
+1(818)354-2075 phone
+1(818)393-6875 fax
>