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Basic scope requirements except need to see ~10 ns pulses
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2N3055:

--- Quote from: Performa01 on March 07, 2024, 09:59:52 am ---

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Good advice.

I would like to add fact that scope also have segmented /history mode that you can use to capture many individual events and than analyse them one by one.
You also have search to automatically find certain signal parameters.
stephencox:
Thanks, everyone. I am going to chat with some former collaborators before making a decision, but I am now leaning toward the Siglent option.

The topic of the different focuses of legacy and budget or upstart brands is definitely an interesting one! I live in different market segments for different types of equipment, so it comes up a lot. For example, I think my needs are in the mid-range for lasers, electronics that aren't part of the mass spectrometers, and microscopes. Unfortunately for microscopes I don't think that market segment exists, so we're wasting money because we can't tolerate the budget equipment. Also there are some egregious monopoly practices with proprietary software and camera compatibility, etc., but that's a digression . . .
Fungus:

--- Quote from: Performa01 on March 07, 2024, 09:59:52 am ---I would not stumble from one extreme to the other – any sub 500 $ DSO isn’t the right choice to replace a 15 k$ Tek.

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If all the Tek was doing was look at 10ns pulses then why not?
2N3055:

--- Quote from: Fungus on March 07, 2024, 08:47:52 pm ---
--- Quote from: Performa01 on March 07, 2024, 09:59:52 am ---I would not stumble from one extreme to the other – any sub 500 $ DSO isn’t the right choice to replace a 15 k$ Tek.

--- End quote ---

If all the Tek was doing was look at 10ns pulses then why not?

--- End quote ---

Because it was 500MHz Tek with proper 50Ω inputs with good SWR etc.
Simple in processing as those were, they had serious signal integrity, those old scopes.
They were not toys, but serious machines.

So for a modern replacement you need to replace with same quality front end.
That excludes lower end. For instance, although in processing functions SDS800xHD is way more powerful than OP needs, we would need to go to minimum SDS2000x+ class.
Rigols first level would be DS7000 or DHO4000.
It is shame they don't have anything in between like Siglent's 2000 class (8/12bit).

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