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Rigol DHO800 memory depth / bandwidth upgrades and noise level!

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bdunham7:

--- Quote from: 2N3055 on November 06, 2023, 09:54:58 pm ---Now people can compare to other scopes with same settings..

--- End quote ---

Here you go:



Bob773:
Thanks to all for the information regarding memory depth.  BTW I changed the title since this took a bit of a turn… let me know if it needs changed again, I am here to please  ;D

Fungus:

--- Quote from: bdunham7 on November 07, 2023, 01:12:39 am ---
--- Quote from: 2N3055 on November 06, 2023, 09:54:58 pm ---Now people can compare to other scopes with same settings..

--- End quote ---

Here you go:



--- End quote ---

Is that a 1104X-E?

Why is it worse with the bandwidth limit on?

tautech:

--- Quote from: Fungus on November 07, 2023, 06:16:37 am ---
--- Quote from: bdunham7 on November 07, 2023, 01:12:39 am ---
--- Quote from: 2N3055 on November 06, 2023, 09:54:58 pm ---Now people can compare to other scopes with same settings..

--- End quote ---

Here you go:



--- End quote ---

Is that a 1104X-E?

Why is it worse with the bandwidth limit on?

--- End quote ---
One of the X-E's.
Only std dev on std dev is worse.
Look at the Current value column.  ;)

iMo:
On the above Siglent picture the aprox 80uVrms noise is aprox 500uVp-p seen on the screen which basically matches the theory. The standard deviation of 2.44uV is the STD for the set of measurements (the 51 measurements of that 80uVrms), not to mix it with the "rms".

On the DHO804 picture the aprox 65uVrms is rather high, imho, that should lead to aprox 400uVp-p seen on the screen, so basically the "same level" as the Siglent.

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