Chuck, Information about the HP submarine cesium standard (5062c) as well as details about Zeeman splitting are here: http://www.leapsecond.com/museum/hp5062c/theory.htm
/tvb (iPhone4) On Oct 28, 2012, at 1:25 AM, Chuck Harris <[email protected]> wrote: > Magnus Danielson wrote: >> On 10/28/2012 01:13 AM, Chuck Harris wrote: >>> Two things come to mind: >>> >>> 1) is this the high performance tube? Perhaps it has a different >>> Zeeman frequency than the standard tube? >>> 2) a non HP replacement tube? FTS Cs beam tubes are way different >>> Zeeman frequencies than HP. >> >> A high performance tube should give you better signal to noise. >> >> A non HP tube might give you a somewhat different C-field setting for same >> center >> lock-in. > > The FTS tubes in my 4050 have a Zeeman frequency of around 43KHz, which if > my estimate is right is about 10KHz different from the HP Zeeman frequency > of around 53KHz. And as I recall, the little HP submarine C-Beam has yet > another Zeeman frequency, but I can't dig up its manual at the moment. > > AFAIK, the Zeeman frequency is very much dependent on the architecture of > the particular physics package. > > -Chuck Harris > >> >> The physics of Cs-133 is still the same, and the RF-chain is still the same. >> If not, >> someone has to teach me something new, or at least inform me why the high >> performance >> tubes are so much different. >> >> Cheers, >> Magnus >> >> _______________________________________________ >> 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. _______________________________________________ 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.
