[volt-nuts] What made a HP3458A so expensive

Poul-Henning Kamp phk at phk.freebsd.dk
Sat Jan 18 13:29:07 EST 2014

In message <BLU170-W99A6289D3FD1B2B5AEA2BACEBB0 at phx.gbl>, Mark Sims writes:

>One problem with leaving the 3458A on all the time is the vacuum
>fluorescent display.  These have a rather limited lifetime and
>leaving them on 24/7 puts a lot of hours on the tube.  Someday those
>displays will become unobtainium...

That's a smaller catastrophe than it sounds:  The display has a
pretty trivial parallel interface, and it will be pretty trivial
to connect something else instead.

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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