[time-nuts] synchronizing a large number of weakly coupled oscillators

jimlux jimlux at earthlink.net
Wed May 12 13:03:11 UTC 2010

Eugen Leitl wrote:
> Has anyone utilized a network of locally, weakly coupled
> oscillator synchronization (a la http://www.projectcomputing.com/resources/sync/index.html )
> for precise timekeeping purposes?
There was a discussion on this list about doing something like filling a 
cavern with pendulums in this connection a couple months ago.

Bob York at UCSB and Ron Pogorzelski, a recently retired colleague of 
mine at JPL, hav done a lot of work with coupled oscillator arrays. 
They're used as a way to do phased array antennas.  googling "coupled 
oscillator array" will turn up many hits.

Allan had a paper where he had 8 inexpensive crystals coupled with 
mixers and a microcontroller.  I think it's called the Clever 
Temperature Compensated XO or something like that.

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