[time-nuts] Z3801A
SAIDJACK at aol.com
SAIDJACK at aol.com
Sun Nov 12 22:37:01 UTC 2006
Hi Tom,
The plot from the brochure that you are looking at is one you had measured
for us on the FireFox GPSDO predecessor, which did not have Temperature or
aging compensation, and had a much coarser TIM, DAC, and DAC reference etc but
used the same OCXO as the Fury. The Fury improves upon this previous product
very significantly. We are still preparing the ADEV plot of the final Fury
using a Cs standard.
According to Symmetricom, the performance of the 58503b between 100s and
1000s is about 3E-011 typ and 5E-011 max. according to page 3 of this
Symmetricom datasheet:
_http://www.symmttm.com/pdf/Gps/ds_58503b.pdf_
(http://www.symmttm.com/pdf/Gps/ds_58503b.pdf)
Our spec is typical, and measures about <5E-012 on the PDF ADEV plot. That
is almost an order of magnitude better than the Symmetricom datasheet for 100s
to 1000s. Of course as you mentioned every oscillator is different, and
improves over time just as red wine :)
Also, our phase noise is about 10dB (or more) better, while our power is
almost an order of magnitude lower than the 58503b.
Our price is also about $3000 less I believe.
bye,
Said
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