[time-nuts] X72 Rb units, any experience ?

Scott Mace smace at intt.net
Mon Aug 22 13:11:26 EDT 2011

I experimented with one of the older, used Datum X72 units.  It's nice,
low power, but was unusable with the Jackson Labs Fury I was using to
discipline it.  The EFC was very sensitive as compared to the LPRO, and
it would jump 10-20ns randomly (both directions).  I'm not sure if the
unit was just defective, or there were other issues at hand.
This unit did not include the firmware bits to enable the 1-PPS input.
Newer Datum and Symmetricom units apparently do.


On 08/22/2011 08:35 AM, Poul-Henning Kamp wrote:
> I'm in the market for a new Rb for general use, and noticed that we have
> heard surprising little about the X72 on the list ?
> Anybody got any experience to share ?

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