Quick question is this a rb reference. Looked at the symetricom site they never actually say or I missed it.
On Tue, Jan 18, 2011 at 2:37 PM, <[email protected]> wrote: > Here is a link to the press release with more technical details and > pictures: > > _ > http://www.eetimes.com/electronics-news/4212176/Chip-scale-atomic-clock-app > roaches-performance-of-modules-2_ > ( > http://www.eetimes.com/electronics-news/4212176/Chip-scale-atomic-clock-approaches-performance-of-modules-2 > ) > > > In a message dated 1/18/2011 11:32:33 Pacific Standard Time, > [email protected] writes: > > Hi Mark: > > I got the idea that it's a Rubidium clock. > > Have Fun, > > Brooke Clarke > http://www.PRC68.com > > > Mark Spencer wrote: > > The long term aging spec is interesting to me, as a cesium physics > package is a > > primary standard wouldn't there be an ultimate limit to the total long > term > > aging ? (I took a quick glance at the full data sheet and didn't see > any > > reference to this.) > > > > > > ----- Original Message ---- > > From: Julien Goodwin<[email protected]> > > To: Discussion of precise time and frequency > measurement<[email protected]> > > Sent: Tue, January 18, 2011 8:04:20 AM > > Subject: Re: [time-nuts] Symmetricom Launches CSAC Product for Precise > Timing > > and Synchronization > > > > On 19/01/11 02:35, Pierpaolo Bernardi wrote: > > > >> Though this could be of interest... > >> > >> http://www.insidegnss.com/node/2446 > >> > > "The SA.45s reportedly provides ... short-term stability (Allan > > Deviation) of 2E-10 @ 1 sec, long-term aging of 3E-10/month" > > > > > From the data sheet of the bigger Rubidium micro-clocks: > > > > SA.33/35m: > > 1 Sec stability-<3E-11 > > 1 month aging - +/1 1E-10 > > > > Neat, but only really of benefit to *really* space/weight/power critical > > devices. > > > > "The cesium atoms are “excited,” or heated to a vapor state by a beam > > generated from a vertical-cavity surface emitting laser (VCSEL) that > > passes between upper and lower polymide heater/suspension strips. The > > VCSEL was designed by Sandia Labs, one of Symmetricom’s partners on the > > CSAC team." > > > > _______________________________________________ > > 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. > _______________________________________________ > 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.
