[time-nuts] 5680A what is a reasonable case temp ?

[Tom Knox]

Hi Pete;
I saw a paper from on of the "Blood Suckers" that said the cooler the better, and the effect of temp on life was huge. I looked on my computer and couldn't find the paper again. I now think that data may have been in the hard copy of a manual for one of the telecom shelves I have worked with. If I find it, I will pass the numbers on. But needless to say, for long life keep it as cool as reasonably possible.
Best Wishes;
Thomas Knox



> From: lists at rtty.us
> To: time-nuts at febo.com
> Date: Tue, 28 Feb 2012 17:13:12 -0500
> Subject: Re: [time-nuts] 5680A what is a reasonable case temp ?
> 
> Hi
> 
> I would aim for a 40C base plate temperature under normal conditions. Other
> parts of the unit will be a bit hotter. The temperature rise to the stuff
> inside will be a few degrees. Not to hard to do with a modest fan.
> 
> Bob
> 
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Pete Lancashire
> Sent: Tuesday, February 28, 2012 2:25 PM
> To: Discussion of precise time and frequency measurement
> Subject: [time-nuts] 5680A what is a reasonable case temp ?
> 
> I'm ready to mount on of my 5680A in a case and looking for suggestions on
> what one would consider a reasonable maximum case temp. Not being
> a blood sucking cell provider,  I can't replace a dead one every year.
> 
> Eventually I see locking the 5680A to GPS if that changes what one would
> suggest.
> 
> -pete
> 
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