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Rigol HDO1000 and HDO4000 12bit oscilloscopes launched in China

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rpro:

--- Quote from: ebastler on August 02, 2024, 08:18:52 am ---
--- Quote from: rpro on August 02, 2024, 01:38:39 am ---Fast enough (on DHO800 at least)  for some use cases....e.g., see attached.

--- End quote ---

Thanks for sharing the video. It shows 270 waveform captures in 3 seconds or so, around 10 ms per capture. But each actual sweep only takes 500 µs. So what is the scope doing in the meantime?

--- End quote ---
Waiting for the next burst, among other things.

ebastler:

--- Quote from: rpro on August 02, 2024, 10:01:27 am ---
--- Quote from: ebastler on August 02, 2024, 08:18:52 am ---Thanks for sharing the video. It shows 270 waveform captures in 3 seconds or so, around 10 ms per capture. But each actual sweep only takes 500 µs. So what is the scope doing in the meantime?

--- End quote ---
Waiting for the next burst, among other things.

--- End quote ---

Alright. So how fast can the scope record when the occurence of signals is not the limiting factor?

When I had a DHO1074 for a while, the best I could get was less than one shot every 5 ms, even for much faster signals and trigger rates. And the stored time stamps for the recorded traces did not seem real, they did not match stop-watch time.

Here's my list of some reasons for eventually returning the scope. Not sure whether anything has been changed by a firmware update in the meantime? Of course, others might not consider these as critical and will be happy enough with the Rigol.

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