[time-nuts] Agilent appnote

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Jul 25 14:30:38 EDT 2005


In message <42E5296C.6090709 at bellsouth.net>, Brian Kirby writes:

>You may have a "bias" error.  Try connecting 1 PPS to the start input 
>and stop input via equal length of  bnc barrels or  two very short 
>pieces of matched length cable.  Run your measurements again - you mave 
>have to subtract the "bias" from your measurements to get a true reading.

If this is a 5370B there is an easier way:  Use TI+/- mode, and
measure first from start to stop, then from stop to start and take
the average.

-- 
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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