[time-nuts] Morion MV-89 Stability

John Miles john at miles.io
Sun Feb 22 04:24:18 UTC 2015


 

> Has anyone measured the AD of a few Morion MV-89?

> 

> Wondering how they do from 1 to 100 Seconds.

> 

> (With a setup able to reach 5X10-13th at those Tau.)

> 

> Thanks,

> 

> Corby

> 

 

They vary all over the place.  The ones I've bought on eBay range from "pretty good" to "darned good."  

 



The 10811-60109 used as a reference for the first four plots achieves ~3E-13 @ t=1s, so ZC4740 is an honest 5E-13 part.   I'll run that one overnight in a 3-corner hat with your two "Super" 5065As, since the light blue trace was taken with a stock unit...

 

-- john, KE5FX

Miles Design LLC

 

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