[time-nuts] HP5065A environmental sensitivities

Poul-Henning Kamp phk at phk.freebsd.dk
Sun May 22 16:33:34 UTC 2016


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In message <B1C92A76-2349-48DB-9FA5-F95F5D31AB02 at n1k.org>, Bob Camp writes:

>At least 5C offset relative to an external sensor. Likely more in some rack
>installations. Past that it depends on how close the item of
>interest is to the oven assembly.

That's only part of it.

The rather important zener diode regulating the C-field is located
on the DC regulator board, where the temperature depends directly
on the grid voltage...

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
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Never attribute to malice what can adequately be explained by incompetence.



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