On Tue, Jul 19, 2011 at 08:11:32AM -0400, Bob Camp wrote:
> The "OSC age alarm" is trying to estimate the aging rate of the OCXO in ppb
> per day. It then compares it to a limit. If it's past this magic limit you
> get an alarm. Since a lot of things can mess with the OCXO and *look* like
> aging, the alarm is not perfect.
Bob,
FWIW, since aging would normally slow down with time,
this alarm is more of a "DAC is nearing limits."
In Antonio's case he indicated to me off-list his DAC
voltage is beyond 4.1V. If anyone has any suggestions for
re-tuning or replacing the OCXO, they might prove helpful to
him.
--msa
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