Products > Test Equipment
Rigol DSO2302A or DHO1072?
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thm_w:

--- Quote from: Fotom on August 25, 2023, 11:44:29 pm ---I want to control several ECU on CAN (max speed 500kB/s) and LIN for functional tests. Maybe there will be FlexRay come to it as well. Not sure about the specs there, but 70MHz should be fine.
--- End quote ---

You probably want a dedicated logic analyzer instead, or in addition to. Sigrok software supports CAN, LIN, and flexray, and will be more convenient to use than a small scope (IMO). https://sigrok.org/wiki/Protocol_decoders

But what are you controlling them with, test software on the PC side? Are you looking at signal integrity or decoding and recording transmissions?
Fotom:
I will "simulate" a complete car and besides that I can go for the single ECU for flashing and coding. For that I have DTS Monaco and Vediamo for older stuff.

The MSO should decode LIN and CAN at least as far as I have read the specs. That would be interesting when there are more than 2 ECUs on the desk involved. The DHO comes with LIN and CAN decoding as well.

But besides that I had several situations when it would have been great to have a scope to check if there was something bad on the bus in the car as well without needing a decoding capability but simply "signal ok or not".
nctnico:
For your purpose I'd definitely get a 4 channel scope. But how about using the MicSig on your desk? The MicSig scopes work fine on a desk as well. Unfortunately MSO functions on the lower cost scopes you are looking at (check the reviews & comments from people actually owning those scopes) are not that good so getting an external logic analyser might be a better idea.
Fotom:
Yes, the 4 channels would be better, you are right and that was what I thought already.

What other scopes would you prefer instead of Rigol?
nctnico:

--- Quote from: Fotom on August 26, 2023, 02:40:29 pm ---Yes, the 4 channels would be better, you are right and that was what I thought already.

What other scopes would you prefer instead of Rigol?

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Ones that work as expected. At the lower end: GW Instek or Micsig. At the higher end: Keysight, R&S, Tektronix and Yokogawa. But keep in mind I make a living from using an oscilloscope.
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