[time-nuts] frequency reference for portable operation

Bob Camp lists at rtty.us
Tue Mar 12 07:35:11 EDT 2013


It's not just the hot enough to be lockable that you are after. You also are after a condition where you can tell the difference between several transitions. Locking to the wrong one isn't a good thing.

I suspect they do something like: wait for oven to cut back, then delay for xxx seconds. That's a lot easier than deciding based on a temperature sensor reading. 


On Mar 12, 2013, at 7:25 AM, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:

> On 12/03/13 12:03, Bob Camp wrote:
>> Hi
>> I'm not sure that the cheap ones really report back the temperature as part of the BITE. I suspect they report something more along the lines of "oven is not running all the time".
> I'm after "sufficiently high" here, as in lockable, and I wonder if not the LPRO already has that detection. Hope that it has a linear oven rather than bang-bang regulated.
> Cheers,
> Magnus
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