[time-nuts] Sub-ps delay line
mattia.rizzi at gmail.com
Tue Feb 7 12:31:49 EST 2017
>Put a length of coax in an adjustable oven ?
Using the numbers provided by , RG58 has about -0.152 ps/m/deg. I need
1 ns range, cable length is prohibitive.
2017-02-07 18:04 GMT+01:00 Poul-Henning Kamp <phk at phk.freebsd.dk>:
> In message <CADv+7GhU-TKUN0OwXF99THpoHnQVp_mgFyG5cZZA0FXbOuQWCg at mail.
> , 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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