Sam gave a thorough paper on the 5120 technology at the 2009
FCS/EFTF. I don't know if the proceedings are published on the IEEE
archive yet, but they should be soon.
He has also given a tutorial on digital phase measurement for the
past 5-6 years at the NIST Time & Frequency Seminar
(http://tf.nist.gov/seminars/T&Foverview.html).
Occasionally, he also gives a tutorial on phase measurement at the
FCS. See, for example,
http://www.ieee-uffc.org/frequency_control/teaching/stein_2002_files/frame.htm
-RL
-----------------------
Robert Lutwak
Symmetricom - Technology Realization Center
<mhtml:mid://00000000/mailto:[email protected]>[email protected]
(Business)
<mhtml:mid://00000000/mailto:[email protected]>[email protected]
(Personal)
(978) 232-1461 (Desk)
(339) 927-7896 (Mobile)
(978) 927-4099 (Facsimile)
At 03:13 AM 8/5/2009, you wrote:
I had a quick look at the manual. From the block diagram of the
technique, seems that one could use the USRP board (Ettus Research)
and GNU Radio functions to do the whole thing. Oddly, the OSRP board
clock is 64 MHz....
Don Latham
----- Original Message ----- From: "M. Warner Losh" <[email protected]>
To: <[email protected]>; <[email protected]>
Sent: Tuesday, August 04, 2009 11:03 PM
Subject: Re: [time-nuts] Method for comparing oscillators
In message:
<ece7a93bd093e1439c20020fbe87c47feb74c94...@altphyembevsp20.res.ad.jpl>
"Lux, Jim (337C)" <[email protected]> writes:
: >
: > Bruce,
: >
: > Thanks, that looks interesting. I found the manual here...
: > http://www.symmetricom.com/media/files/support/ttm/product-
: > manual/5120A-MAN.pdf
: >
: > But I haven't figured out where to get a list of related patents. Can
: > anyone provide key number(s) or point me to a list?
:
:
: http://www.uspto.gov/
:
: patent search
: quick
: symmetricom in "Assignee Name"
:
:
: 47 patents assigned to symmetricom.
:
: To be honest, though, none of the titles look relevant.
:
: You might need to search on the name of someone who worked on it,
or the company that originally developed it.
:
: For instance, S.R. Stein signed the DoC, and is also a co-author
of the paper they cite.
Sam Stein works for Symmetricom these days. Many of the patents might
be under "Timing Solutions", the name of his old company.
Warner
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-RL
-----------------------
Robert Lutwak
Symmetricom - Technology Realization Center
<mhtml:mid://00000000/mailto:[email protected]>[email protected]
(Business)
<mhtml:mid://00000000/mailto:[email protected]>[email protected]
(Personal)
(978) 232-1461 (Desk)
(339) 927-7896 (Mobile)
(978) 927-4099 (Facsimile)
_______________________________________________
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To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
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