[time-nuts] General Purpose Instrument Troubles
Brooke Clarke
brooke at pacific.net
Fri Nov 26 19:55:49 UTC 2004
Hi Poul:
The newer NI 488 cards have buss analysis built in. It is very helpful
to get a bus timing log with every change in the bus status time
stamped. I haven't used a hardware 488 buss analyzer, but I expect that
the NI analyzer is more powerful.
Have Fun,
Brooke Clarke, N6GCE
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
Poul-Henning Kamp wrote:
>In message <000101c4d3ee$01050580$0500a8c0 at darius.domain.actdsltmp>, "Bill Hawk
>ins" writes:
>
>
>
>>I suspect that my problem is compounded incompatibilities.
>>Is 488.2 compatible with the earlier 488?
>>
>>
>
>488.2 is an upgrade, but it is backwards compatible.
>
>The two main causes of trouble are the CR/NL line termination
>differences and that some instruments actually want the EOT
>bit set.
>
>Consider buying a IEEE488 analyzer, I found my HP59401a very useful.
>
>
>
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