Hi Aging tends to be bidirectional ( equal probability positive or negative within a group of Rb's ). That would make it tough to pre-estimate.
Bob On Jan 30, 2012, at 1:40 PM, Chris Albertson <[email protected]> wrote: > On Mon, Jan 30, 2012 at 9:16 AM, <[email protected]> wrote: >> With a Rb we are talking loop time in excess of 20 minutes. Any thing other >> than digital is out of reach. To day I should get my second Rb and I will >> put it on aging test. > > My guess about why you don't see aging or so little of it is that > maybe some engineer at FEI already did the test and added firmware in > the FE5680 to correct the output for estimated aging. So what you are > measuring is the difference between true aging and the unit's internal > aging model. > > Trimble does something like this in holdover mode, the controller > compensates for the OCXO's estimated aging > > Chris Albertson > Redondo Beach, California > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
