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SDS800x HD vs DHO800x FFT
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2N3055:
About "heatmap", Siglent also (and many other) support color grading.. I have no idea why people think it is something "only Rigol has".

As for speed, Siglent didn't fail on it. Rigol is faster because it does a fraction of things, with much less points. Basically Rigol optimized for speed at the expense of everything else. Siglent chose to make full implementation.

I did "have a feeling" that you are talking about FFT (or spectrum mode) on higher end devices as a reference.
On Siglent SDS7000A FFT is also very fast.  >:D

Anyways, I don't know if Rigol have fixed wrong windowing, and if they did and if all other shortcomings are not important to you maybe for you Rigol will do..
Martin72:

--- Quote from: 2N3055 on July 16, 2024, 08:03:15 am ---To be honest, only scope in less than 7000-8000 € range that has something resembling realtime SA is GW-Instek MDO-2000A series.
And that is because it literally has realtime SA mode implemented. It works well but it's ADC are only 8 bit so limited dynamic range. Also scopes are in 1500€ ranges, a bit old fashioned by now etc.....

--- End quote ---

I had a look at it earlier, the built-in SA has a bandwidth of DC-500Mhz.
I find that interesting, other SAs only start at 9kHz (why actually, because of possible interference on the mains voltage?), much to my regret.
I find it “stupid” to add a (software) analyzer for the LF range.
tautech:
cyo3fff

As I have said numerous times and you as a EMC engineer should know only too well, sweep speed is directly related to settings in use.
Speed vs accuracy, pick your poison.

Before I need setup gear for other tasks, some closing screenshots.
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