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Tablet DSO <= $500 for the recording of sub ms duration DC voltage spike events

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Silver_Is_Money:

--- Quote from: csuhi17 on January 03, 2024, 10:41:13 am ---The specs of the FNIRSI-1013D are a big lie. The original Altera FPGA has 270Kbits of available embedded memory and the newer ones with Anlogic FPGA's have more. (496Kbits or 700Kbits) But what counts is how many of these bits they used, and that is only 32768 bits per channel. So 4KByte per channel of which only about 3500 bytes are usable.

The sampling rate is only max 200MSa/s per channel instead of the 1GSa/s marking on the front and the bandwidth is 30MHz at best.

No. Fnirsi should be forgotten, because either they lie and do not provide the performance they claim, or they do not know what you want.

As far as I know, it is not possible to save the results only as an image, you cannot later load them into an Excel table.

I couldn't find anything better than the Hantek TO1112 in this price category.

IF I didn't have the two Owon HDS, I would have bought the Hantek TO1112 instead.

But I wouldn't buy the 1GSa/s version from the Hantek TO1000 series, because the Owon TAO series offers more and is only a little more expensive.

In other words, it's not worth it.
Under $200, I think the HANTEK TO1112 is the winner.
You don't need C, D edition, because if I think correctly, you are not in the electrical business.

--- End quote ---
I must thank you sincerely yet again!  You are correct, as I am not in the electrical business and my focus is only on this single task.

ebastler:
I agree with csuhi17, the FNIRSI is not adequate. For your application it would fail even if it meets all its specs: The storage depth is only "240 kbit", i.e. only 30k data points of 8 bit each. That translates into less than a millisecond of recording time if you sample at 50 MSamples/second; too short to capture your pressure pulse.

If you want the portability of a tablet scope, I agree that the Hantek TO1112 is a good balance of "good enough" at a decent price.

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