Hi Yes, that’s pretty normal operation for any of the telecom Rb’s. They also typically drift about 1x10^-9 over the first day of operation. It’s best to leave them running all the time. Second best is to turn them on a couple days before you need to use them.
Bob > On Dec 11, 2021, at 2:23 AM, Erik Kaashoek <[email protected]> wrote: > > My rubidium frequency standard (Accubeat AR60A) finally got its nice box with > good cooling and some LED's showing the status. > While watching the unlock LED I noticed the AR60 say's it is locked, about 4 > or 5 minutes after cold start, when the frequency error jumps below about 1e-8 > It takes 2 or 3 more minutes of slow drift to become stable within 1e-10. Is > this to be expected? > With this locking speed it is tempting to switch off the AR60A unless needed > for some measurement. Would daily switching on/off have any impact on > lifetime? > _______________________________________________ > time-nuts mailing list -- [email protected] -- To unsubscribe send an > email to [email protected] > To unsubscribe, go to and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] -- To unsubscribe send an email to [email protected] To unsubscribe, go to and follow the instructions there.
