[time-nuts] OT: Prologix GPIB and HP3478A...The Answer!

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Nov 28 20:46:00 UTC 2007


In message <474DD168.3080903 at erols.com>, Chuck Harris writes:
>Hi John,
>
>
>> I have run mine with at least a half-dozen daisy-chained instruments on
>> 20-30 feet of cabling with no problem at all.  Some of the 8650-series
>> signal generators cause loading problems when they're powered off, but
>> that's true with the NI boards as well.

Part of the IEEE spec is certain limitations on how many devices on the
bus can be powered off.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
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Never attribute to malice what can adequately be explained by incompetence.




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