Products > Test Equipment

o scope for someone starting out 200-400$

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nctnico:

--- Quote from: Bionicbone on March 21, 2023, 07:11:39 am ---https://youtu.be/wZQj7TnWVNg I think a really good side by side comparison tests between the DS1104Z Plus and SDS1104X-E. Each seems to be better at different things. Rigol gets to 160mhz at -3db and 400mhz showing a signal. The Siglent is 117mhz and 140mhz bombs out. But the speed of the Siglent is much better, he says brighter screen, faster updates, but there sometimes seems some display issues on square waves (need to watch that bit again). I think when I first looked at this video I was drawn to the 400mhz thing just mentioned and memory but now I'm questioning memory especially given the responses below. Is the 400mhz thing a big positive that would sway the experts?

--- End quote ---
You might want to check out the GW Instek GDS1054B as well but it depends on your location whether it is cheaper or not. If you need bus decoding, this is the only model at the low end that decodes the entire memory and not just what is on screen compared to Rigol / Siglent (the latter becomes a problem when the start of a message is not on the screen). Another handy feature is signal filtering.

mwb1100:

--- Quote from: Bionicbone on March 21, 2023, 06:31:38 am ---The thing that sways me away from Siglent to Rigol in this price range is the memory depth. But maybe I am missing something. Siglent state 14mpts (2 X 7mpts for 4 ch) and Rigol just state 24Mpts.

--- End quote ---

Small correction - from the DS1000Z datasheet: "24 Mpts (single-channel), 12 Mpts (dual-channel), 6 Mpts (three/four-channel)"

n4u:
IMO spending too much on first scope isnt worth it. U may easily damage it. But some old analog, or tds210 etc - they arent as good as chinese scope like rigol1024 etc but they are cheap - u can spend cash on sth u will use more frequently - like soldering station, or multimeter. For automatic logic state reading u can buy logic state analyzer.

james_s:
Where are you finding TDS210 scopes cheap? They've always been overpriced IMO, I don't recall ever seeing a bargain on one. Good working analog scopes are getting a lot harder to come by too, they're almost all more than 20 years old now.

And really, it's 2023, we have autocomplete and autocorrect, and bandwidth is cheap, is there really any reason to use "u" instead of "you"?

jonpaul:
I would avoid the Chinese digital scopes.

A beginner can easily find a 2 ch 10..50 MHz vintage analog scope for $/€ 25..100.

Hameg, Philips, Tektronix HP.

We found a,Hameg HM103 in Paris at a flea market is €5, ans another Hameg, HM203 at a,street market forward €25

Both still,working

Jon

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