[time-nuts] Rubidium standard
Marco A. Ferra
maferra at gmx.com
Mon Nov 23 19:18:59 UTC 2009
>I was told by a Technical Support Engineer from Symmetricom Global Services
>that
> "The typical life span is ~10 years for these Rubidium Time Bases".
>
> This is in response to my request for information on a Ball/Efratom
> PTB-100.
>
> Is this a typical life span of a rubidium standard?
We had a guy from Pendulum Instruments in our Laboratory that stated that
the life span of Rubidium crystals are between 10 ~ 12 years, so the
information seems to be correct. I believe that when the rubidium starts to
get older, it loses stability and inversely behaves like the quartz (when
older, the more stable).
Kind regards,
>
> Do some standards last longer than others?
>
> What are the symptoms of a failing rubidium bulb?
>
> Thanks
> 73
> Glenn
> WB4UIV
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