[time-nuts] Cheap jitter measurements

Attila Kinali attila at kinali.ch
Tue Apr 3 14:39:49 EDT 2018


On Tue, 3 Apr 2018 10:47:37 -0700
"Gary E. Miller" <gem at rellim.com> wrote:

> What would you guys suggest as the cheapest way to see jitter down to
> around 1 nano second?  

Look at Nick Sayers GPSDO and his interpolator. You wont get any
cheaper than that. Next best thing is to use a TDC7200 like in
the TICC.

Of course, you will need a standard that is stable enough on the
time scales you are looking at. Which is for short taus (<100s)
a good OCXO and for 1s to 10ks an Rb, and beyond that a Cs beam
standard or hydrogen maser.

				Attila Kinali

-- 
<JaberWorky>	The bad part of Zurich is where the degenerates
                throw DARK chocolate at you.



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