[time-nuts] Re: What phase variations to expect in a DMTD due to temperature fluctuations?
Poul-Henning Kamp
phk at phk.freebsd.dk
Sun Oct 23 19:58:54 UTC 2022
--------
Erik Kaashoek via time-nuts writes:
> The rest is digital and not expected to be temperature sensitive.
At a 1ps level of interest, that is not a well-founded expectation.
In particular look out for power-supply variations, which will transpose the trigger point for your "digital" clock-signals.
PS: Do not ignore mechanics either: At the speed of light 1ps takes you only 0.3mm.
--
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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