[time-nuts] 5070B once more....
Poul-Henning Kamp
phk at phk.freebsd.dk
Sat May 30 17:20:58 UTC 2009
In message <7487A8E5980845359B6047D0E84C6D53 at pc52>, "Tom Van Baak" writes:
>1) are you comparing two relatively stable 1pps sources, or
>
>If (1), then any time interval counter will work for you. There
>is no issue of "dead time" or "continuous" measurement. You
>can calculate ADEV directly from the raw output of the 5370,
>because it is giving you a periodic series of time interval (aka
>phase difference) measurements.
... as long as you remember to use TI+/- mode.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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