So you want a wide-spectrum signal analyzer ?
Tim Pozar
pozar at kumr.lns.com
Fri Dec 18 08:28:39 PST 1992
Richard Childers wrote:
> These capabilities allow spectrum analyzers to provide frequency-
> domain signal analysis for numerous applications, including the
> manufacture and maintenance of microwave communication links, radar,
> telecom equipment, CATV systems, and broadcast equipment ; EMI
> diagnostic testing ; and signal surveillance.
>
> ( I can't believe they actually said that. Gee, I wonder if They're going
> to classify test & measurement equipment next. )-:
We use them all the time to track down pirate stations and wierd
emissions (spurs, harmonics...). BTW... If you have an O-Scope that has
X-Y inputs, it isn't that difficult to design and build a low-end, front-end
for the scope that will provide the same functions as a spectrum analyzer.
> I'm not encouraging you to spoof these folks, merely noting that it is a
> regrettable necessity. If you don't present yourself as a prospect, they
> may blow you off, and if you give any hint that you don't represent some
> sort of company, you are sure to be blown off, presumed to be a waste of
> their time. ( Of course, this posting may lead to three or four analyzers,
> $ 100-200 thousand worth of sales, but try to persuade a salescritter of
> this. :-)
I think they partially do this 'cause the catalogs are so bloody
expensive to produce. They are an education if you get one.
Tim
--
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