| Electronics > Beginners |
| Nicolet 3091 o'scope any good? |
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| DFC:
Hello,been lurking awhile but pretty much new here. I can get my hands on a above mentioned oscilloscope but there is something that bothers me. Manual reckons it's a digital scope but it looks to me like a combo. OK, scope came out in 1982, making it as old as me and it seems to have a lot of bells and whistles but what bothers me is in the manual the analog specs for bandwidth clocks out at 300khz?That seems really low. The digital max sampling rate is at 1mhz?12 bit dac? It just seems bloody low for a scope that seems to have had a lot of effort on manufacturing side of things. Has features that I would imagine would be top tier for back in the day. My question is can I use this scope as a replacement for the 20mhz,cheap piece of GW Instek 620 crap that never bloody works cause something else keeps breaking?I want something for general electronics work and the advice has always been 20mhz minimum. |
| PartialDischarge:
Not really, that scope is not meant to substitute a 20Mhz analog scope. However thanks to the 12 bit resolution it will be more precise than others so use it to make precise low frequency ac measurements, think of it as multimeter with an oscilloscope display |
| AVGresponding:
They seem rather expensive on ebay given the specs, and especially given the plethora of decent scopes at low prices out there, though I wouldn't like to speculate on shipping costs for a CRO type scope to RSA, which is where your flag indicates unless I'm horribly mistaken |
| james_s:
300kHz 12 bit? Is it intended for audio work? |
| PartialDischarge:
--- Quote from: james_s on September 24, 2019, 05:12:59 am ---300kHz 12 bit? Is it intended for audio work? --- End quote --- It was intended mainly for physical, mechanical and biological signals. Here is an ad from a NASA Tech brief of a later model, advertising their better accuracy and resolution. I'm lucky to have a Nicolet Sigma 30 which is 12 bit and 5MHz (http://www.testequipmenthq.com/datasheets/NICOLET-SIGMA%2030-Datasheet.pdf) |
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