[time-nuts] Symmetricom Launches CSAC Product for Precise Timing and Synchronization

Bob Camp lists at rtty.us
Tue Jan 18 17:24:24 UTC 2011


Hi

If you had one delivered to your door today, what on your bench would you
replace with it?

A lot of what it does is not "as good as" a $30 e-place DOCXO. Other than
power / weight / size, you can significantly beat it today with a sub $100
Rb from the same sources. For stationary time nut in the basement stuff,
it's tough to find a place for it. 

That said, it's a very cool little gizmo. If you do need low power / tight
accuracy it's going to be hard to beat. It's certainly a good part for
portable applications. Packing around enough battery to run a 10 W Rb for a
few days isn't very practical. Running one of these off a couple of lithium
cells would work pretty well. 

Bob

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of paul swed
Sent: Tuesday, January 18, 2011 11:57 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Symmetricom Launches CSAC Product for Precise
Timing and Synchronization

Wonder what the lifetime is?
Surely for time nuts they will have a special deal. Like $199 for today
only.
Well we might dream.

On Tue, Jan 18, 2011 at 11:20 AM, Pierpaolo Bernardi
<olopierpa at gmail.com>wrote:

> On Tue, Jan 18, 2011 at 17:04, Julien Goodwin
> <time-nuts at studio442.com.au> wrote:
> > 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.
>
> Also for low cost applications, I think.
>
> It says 1500 USD for low volume.  And surely the price is going to
> decrease in the near future?
>
> Cheers
> P.
>
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