Products > Test Equipment
Spectrum analyser HP3582A
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cowasaki:
I design, build, modify and repair valve amplifiers and some other audio stuff plus also do some digital work. I’ve not had a spectrum analyser before but I’ve wanted one for audio work for a long time. Unfortunately spectrum analysers that go low enough for audio work are rare and I can’t find a modern one at a realistic price.

Most people seem to go for older HP ones and I found a HP3582A at a nice price at a police auction so I’ve bought it. The machine is untested other than lighting up but there is a 30 day refund policy on faulty items so I’m ok with that.

The journey is 120 miles each way but they said I can plug it in and test it when I get there so I would like to test it to avoid another 240 mile round trip to return it if it isn’t working.

So my question. How am I best testing it? It doesn’t come with any probes, what should I take with me? I understand what it can do but I will be learning how to use it once I get it so some tips on testing would be appreciated. What leads or other things should I take with me? Sig gen? BNC leads? I only have scope probes.

What are the input limits on spectrum analysers?  I can probably download the manual to find that question.

Thanks
cowasaki:
I’ve got the manual and this quick reference document. https://web.mst.edu/cottrell/ME240/Resources/Inst_manuals/HP_3582A_Spectrum_Analyzer_quick_reference_guide.pdf
joeqsmith:
I used that analyzer back in the early-mid 80s.   At one time I was wanting to get a waterfall curve and used that trigger input with a delay circuit that would step through the wave I was trying to sample.  I would repeat the wave over and over to collect the data.  Nightmare but hey, we had the IBM PC at the time and I don't think the SoundBlaster was even around yet. 

I would just take along a function generator along and some cables and just try it. 
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