[time-nuts] General Purpose Instrument Troubles

Brooke Clarke brooke at pacific.net
Fri Nov 26 14:55:49 EST 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

-- 
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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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