Hi NTP server? Time tagging remotely collected data? Large area industrial automation?
Generally as you relax the timing requirement, the number of applications goes up quite a bit. If all you need is a few hundred ns (but under a few microseconds), a bare timing receiver is a fine thing. Bob -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: Wednesday, October 03, 2012 8:46 AM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Best counter setting for ADEV? Of course, that only works when you actually need a GPSDO, but what is the point of a GPS timing receiver if not to discipline a high quality oscillator? Didier KO4BB Sent from my Droid Razr 4G LTE wireless tracker. -----Original Message----- From: Jim Lux <[email protected]> To: [email protected] Sent: Tue, 02 Oct 2012 9:34 PM Subject: Re: [time-nuts] Best counter setting for ADEV? On 10/2/12 7:00 PM, [email protected] wrote: > The Thunderbolt is a special case that does not provide sawtooth correction because it does not need it. > > It uses the OCXO as the clock for the processor while disciplining it to GPS so there is no nominal timing error between where the 1PPS is versus where it should be. > > The processor is able to bring the PPS edge exactly where it wants it, instead of the typical 25 to 40 ns granularity of most other GPS receivers that operate on a separate clock. > > Pretty simple and elegant solution. > But it does depend on having a good oscillator that can be shoved around. That costs money and power. _______________________________________________ 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.
