[time-nuts] Sub-ps delay line

Poul-Henning Kamp phk at phk.freebsd.dk
Tue Feb 7 12:04:12 EST 2017

In message <CADv+7GhU-TKUN0OwXF99THpoHnQVp_mgFyG5cZZA0FXbOuQWCg at mail.gmail.com>
, Mattia Rizzi writes:

>I'm looking/designing a sub-ps delay line with very high stability.
>Basically it has microwave requirements on phase matching.
>The main features that such delay line should have are:
>- sub-ps resolution and about 1 ns range

Put a length of coax in an adjustable oven ?

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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