[time-nuts] Counter averaging errors near clock harmonics
Charles Steinmetz
csteinmetz at yandex.com
Fri Apr 10 19:27:57 UTC 2015
The subject of errors in averaging counters at input frequencies near
the clock frequency and its subharmonics and harmonics comes up on
the list from time to time. There is a nice discussion of the
phenomenon, and how it was addressed in the design of the HP 5345A
counter, in the June, 1974 issue of the Hewlett-Packard Journal:
David C. Chu, "Time Interval Averaging: Theory, Problems, and
Solutions," HP Journal v25 n10, June 1974
<www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1974-06.pdf>
Best regards,
Charles
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