[time-nuts] Basic question regarding comparing two frequencies

J. Forster jfor at quik.com
Sat Jul 24 20:28:26 EDT 2010

I very much doubt that the majority on this list have major govenmental or
corporate funding and shop from the new Agilent catalog that just came in
the mail.

As a result, I'd guess almost all the commercial test gear in the
posession of listers is from 1970 to 2000. That says GPIB and almost
nothing else. A very few instruments did use dedicated ISA, LSI-11, or
RS-232, but the numbers are tiny.

The fact is that with GPIB you can cobble up a system to almost anything
from simple to complex very quickly.




> J. Forster wrote:
>> "..  more generic interface." ??
>> The vast majority of professional test equipment has GPIB. Virtually
>> anything else is an "also ran".
>> FWIW,
>> -John
> these days, ethernet and USB are becoming more popular.  My own
> preference is Ethernet and I long for the day when I can ditch the last
> GPIB cable (and the stacking connectors where you always seem to need
> the one on the bottom of the stack)  Yes, GPIB provides some clever
> triggering across the interface, useful for things like sweepers and
> vector voltmeters, but I suspect that it's not much used these days..
> rather you wind up sending binary or ascii strings across the interface.

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