[time-nuts] 5071A Cs Oven

Tom Knox actast at hotmail.com
Thu Oct 4 19:19:33 UTC 2012


We really need a group buy of 5071A tubes for a couple hundred each.

Thomas Knox



> Date: Thu, 4 Oct 2012 15:10:11 -0400
> From: paulswedb at gmail.com
> To: time-nuts at febo.com
> Subject: Re: [time-nuts] 5071A Cs Oven
> 
> Learn something every day here. How to really extend the old dead C life a
> bit longer.
> 
> On Thu, Oct 4, 2012 at 3:04 PM, Richard (Rick) Karlquist <
> richard at karlquist.com> wrote:
> 
> >
> >
> > On 10/4/2012 9:45 AM, Tom Van Baak wrote:
> >
> >> Bob,
> >>
> >> Right, not good. There should be a fault message associated with it.
> >> Check the internal log.
> >>
> >> OTOH, to conserve cesium, I've heard that some people run 5071A in
> >> standby mode most of the time and only turn on the cesium for a fraction of
> >> an hour a day or a week (to recal the quartz). Running in this standby mode
> >> is also advisable if one wants the best short-term performance out of a
> >> 5071A, without the loop noise. In this respect it's just like a GPSDO - you
> >> get the best short-term performance if you turn off disciplining.
> >>
> >> /tvb
> >>
> >>  Hi
> >>>
> >>> Is "Cs oven: 0.0V" a good thing on a 5071A?
> >>>
> >>> I suspect not, since either it or GPS is off frequency.
> >>>
> >>> Bob
> >>>
> >>
> >>
> >>
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