Products > Test Equipment

o scope for someone starting out 200-400$

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james_s:
"Showing a signal" is useless. If you are that far beyond the rated bandwidth you have no idea if what the scope is showing you bears any resemblance to what the signal actually looks like.

Bionicbone:
Thanks, I do have a cheapo logic analyzer that I can use with pulseview. When I started looking at this I was thinking the scope "Decoder" would bring further options but slowly discovering this is not the case in terms of data analysis. I think the scope would have saved my squeaky bum though when I first connected my home made CAN device to the car without first checking signal integrity, especially the acknowledge signal which I think I manage to disable.

Really interesting about the memory depth, these are the things that are designed to draw in a newbie, and why forums like this and the people like yourself are invaluable. Thanks.

Bionicbone:
Crikey, something else to read up and check about 😄
I may have to bite the bullet here, buy one of the two on my list and learn lessons once I know what I'm doing lol
Probably the Rigol just because it's available through Amazon and they don't mess around if there's an issue.
Thanks for the great info.

james_s:
Additional memory depth doesn't really hurt, and unlike in the past, memory is cheap now. It's not something I avoid, it just isn't something that would be a deciding factor for me either.

2N3055:

--- 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 ---

First, SDS1104X-E is 200MHz design. There is a SDS1204X-E. That is same hardware...
Second, SDS1104X-E has two ADC. Meaning it has minimum 500MS/s with 4ch, and 2ch with full 1 GS/s sampling rate. Compared to min 250 MS/s for DS1054Z.
Also that means that it has 2x14MPts banks. With 1 and 2 ch it has 14MPts and 7MPts 4ch.
In segmented memory mode it has much more memory, in excess of 50-60 Mpts..
Compared to DS1054Z that goes 24/12/6MPts.. No real segmented memory mode, it has recording but you cannot use it for anything..
Also SDS1104X-E has up to 500uV/div real hardware preamp and low noise input. It has color grading display.. 1MPts FFT, Bode plot II...
More decodes (CAN for instance). etc..etc..etc.

Little DS1054Z is cute little bugger that is good value for money. SDS1104X-E is a class above scope that is already at level of using it for entry level professional work.

Both are good choice, but, if you have money go for SDS1104X-E... It's just better.
I have no personal experience with GW instek 1000 series.

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