[time-nuts] OT: leaching was, Alternative time interval interpolation technique

Attila Kinali attila at kinali.ch
Sun Aug 15 19:29:47 UTC 2010


On Sun, 15 Aug 2010 14:59:43 +1200
Bruce Griffiths <bruce.griffiths at xtra.co.nz> wrote:

> Mea Culpa.
> 
> Below is a link to the paper using SAW filters to achieve a sub ps time 
> interval interpolator noise:
> http://cddis.gsfc.nasa.gov/lw16/docs/papers/las_4_Prochazka_p.pdf
> 
> And the associated presentation:
> http://cddis.gsfc.nasa.gov/lw16/docs/presentations/las_4_Prochazka.pdf

A quick skimming over the error analysis Panek made, suggests that
the jitter of the clock source is the biggest contributor to measurement
errors. But he never says how a clock source with such a low jitter is
build. Although he references a few times a module build by Josef Kölbl
of the Fachhochschule Deggendorf, there is no description available what
kind of device that is.

Does anyone have any pointers to recommended reading on the design of such
low jitter oscillators?

			Attila Kinali

-- 
The trouble with you, Shev, is you don't say anything until you've saved
up a whole truckload of damned heavy brick arguments and then you dump
them all out and never look at the bleeding body mangled beneath the heap
		-- Tirin, The Dispossessed, U. Le Guin



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