[time-nuts] How to measure Allan Deviation?
John Miles
jmiles at pop.net
Mon Oct 23 01:40:28 UTC 2006
You can do a lot worse than straight TTL. Some useful graphs on pages 102
and 103 of Rohde's "Microwave and Wireless Synthesizers: Theory and Design".
Hint: Look it up at www.amazon.com and you can view those two pages, if you
search within the book for the phrase "170 dB".
-- john, KE5FX
> The few experiments I've done indicate that there isn't that much
> sample-to-sample jitter in a divider built up out of a reasonable-length
> string of 74HC390 dividers, but the temperature stability is horrible.
>
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