[time-nuts] nubie querie

Tom Van Baak tvb at LeapSecond.com
Thu Mar 4 18:14:36 UTC 2010


> I`m not sure that questions like these is welcome on this list, but here goes anyway :
>
> 1/ What are the the 10 sources of the most constant [invariant] frequencies known to man, in order of decreacing 
> constancy? Four immediately come to mind.
>
> 2/ What is the mechanism in an oscillator, that is responsible for phase noise? [In only one sentence please]
> If this is known, then it becomes easier to design low phase noise oscillators.
>
> I hope you enjoy these questions,.................................Don.

Don,

See http://www.leapsecond.com/ten/
and http://www.leapsecond.com/ten/clock-powers-of-ten-tvb.pdf

/tvb 






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