Spectrum analyzer for LF section

Started by Whoseywhatsit, 01-08-2017 -- 22:48:41

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Whoseywhatsit

01-08-2017 -- 22:48:41
Looking to upgrade our LF section and was wondering if anyone has any suggestions/recommendations for a good low frequency range spectrum analyzer. Thanks

CalMachine

#1
01-18-2017 -- 13:11:09
How low of frequency?  Like sub GHz? 

There is an HP 35665A that I feel is a pretty good unit.  DC-102 kHz spectrum analyzer for the most part.

briansalomon

#2
01-23-2017 -- 11:25:39
I have used and liked the older 85XX series HP spectrum Analyzers. Unless they were periodically realigned about 1/2 of these won't meet spec but many from this series have a self-cal/self diagnostic function which is very useful if you are buying used and want to get an on-the-spot idea of the condition.

I think the low end for these is around 10Khz.

Below that you might be looking at a Dynamic Signal Analyzer.
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Hawaii596

#3
01-27-2017 -- 08:46:28
The HP 3588A and 3589A are still pretty good instruments. I also really like the HP 89441A. It has an LF section. Can't remember bottom frequency specs, but it is a nice analyzer.
"I often say that when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind."
Lord Kelvin (1824-1907)
from lecture to the Institute of Civil Engineers, 3 May 1883
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