albertson.chris at gmail.com
Tue Aug 28 05:45:23 UTC 2012
On Mon, Aug 27, 2012 at 7:33 PM, Jim Lux <jimlux at earthlink.net> wrote:
> On 8/27/12 4:15 PM, Rick Karlquist wrote:
>> Several decades ago, the concept of the "smart clock" arose
>> at what was then HP. The idea was as discussed here to
>> "characterize" past aging, "predict" future aging, and
>> then "correct" the aging.
We know what a OCXO is and a TCXO is. I was at a presentation at work a
whike back and they called what you describe a "MPCXO" or MicroProcessor
Compensated XO. They said the characteristics were between the OCXO and
Doesn't the thunderbolt do this. I think it watches the aging rate of the
OCXO and adjusts during hold over.
Redondo Beach, California
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