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REVIEW - Rigol DS2072 - First Impressions of the DS2000 series from Rigol

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Teneyes:
There also looks like an Error on the other end of the Persistence settings, It looks like there are different processing for these two settings
Below I show settings of 20 seconds and Infinite Persistence

marmad:

--- Quote from: Teneyes on August 25, 2014, 07:54:27 am ---Could this be SinX/X extrapolation??
It would nice to be able to turn off SinX/X .
--- End quote ---

I can't replicate this particular error on my Rigol, so I'm not sure what is causing it.


--- Quote ---Fuzzy Traces
--- End quote ---

The Siglent changes the grading a bit when when turning on more channels, but not nearly as much as the Rigol. In fact, the intensity grading on the Siglent is really quite beautiful - much better, in general, than the Rigol. I'm going to make an extra short video just about the intensity grading and post it in the next couple of days.


--- Quote ---It looks like Min. Presistence is set to an incorrect value!!!
and is about 200ms
--- End quote ---

Min. persistence is zero persistence - just intensity grading. And even though both intensity grading and persistence produce the same visual effect of shades of color, they are calculated and graded differently (although I don't know exactly how Rigol is doing it).

Teneyes:

--- Quote from: marmad on August 25, 2014, 07:19:32 pm ---
--- Quote from: Teneyes on August 25, 2014, 07:54:27 am ---Could this be SinX/X extrapolation??
It would nice to be able to turn off SinX/X .
--- End quote ---
I can't replicate this particular error on my Rigol, so I'm not sure what is causing it.

--- End quote ---
to Clarify , the setup is :
    FW 00.03.00.01.03
    300MHz options, all Options installed??
    mostly observed on 5nsec/div
    70 MHz input
    2 channels On
    Memory Depth = 28MPts, , AUto sets to 700 Pts and Blurs  traces
    Single scan to show ripple  (less ripples with only 1 chan on)

DIsplays with DOts and Vectors at Infinite Persiostence

marmad:

--- Quote from: Teneyes on August 25, 2014, 08:16:14 pm ---    70 MHz input

--- End quote ---

It has to be a 70MHz input @5ns/div? That seems like a pretty specific bug  ;D

Teneyes:

--- Quote from: marmad on August 25, 2014, 09:16:15 pm ---It has to be a 70MHz input @5ns/div? That seems like a pretty specific bug  ;D

--- End quote ---
Well   ;D, It shows on the peaks of 30-120 Mhz, and more at 5ns/div.
I say it is a quirk of the SinX/X implementation

I un-installed all Options an only added 56MPts back

Here are Gifs. , of Vectors and Dots Recording  with 50MHz input ON FW00.03
Note how the dots are follow on the sin curve but in VECTORS there is a rolling ripple of 1 GHz !!   :-//

The next Post will be on FW 00.01

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