[time-nuts] HP5065A environmental sensitivities

Magnus Danielson magnus at rubidium.dyndns.org
Sun May 22 01:36:17 UTC 2016


Hej Poul-Henning,

On 05/20/2016 04:27 PM, Poul-Henning Kamp wrote:
> --------
> In message <573EDC73.9040603 at rubidium.dyndns.org>, Magnus Danielson writes:
>
>> Humidity and pressure play a role with surrounding temperature in
>> cooling in that it they will shift the thermal resistance through which
>> the cooling of the ovens goes, [...]
>
> Once we get below 5e-13, the temperature effects on electronic components
> should not be ignored either.

Well, yes. Many of the older gear uses components in loops who's 
environmental performance isn't stellar by any means.

> The C-field circuit in particular. (Yes, I'm still working on it, just not
> very fast...)

I was actually wondering how that was getting along.

When I get the time, it would be fun to improve on things.

Humidity, temperature, pressure, powergrid voltage...

Cheers,
Magnus



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