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

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Wim13:

--- Quote from: marmad on April 18, 2013, 08:54:03 am ---
--- Quote from: Wim13 on April 18, 2013, 06:45:22 am ---On arrival users want to do a self-cal, but the next time you do a self call is much much later,
then your options are long ago expired..., so it is a real solution..., good thinking from Rigol.

--- End quote ---

1) This is not a solution - it's a bug that hasn't been fixed. Self-calibration should not affect trial minutes not matter how many you do.

2) As mentioned before, I installed a brand new trial license key - did one self calibration - and the trial minutes were erased. So this does not work in every situation.

3) Until more is known about the parameters, self-calibration is still not something I would recommend new users do - unless they have a spare trial license key or until their trial minutes are gone.

--- End quote ---

A bug is when you made a mistake in your software. But i am not sure it is a mistake.

From your point of view from the software site, yes it looks like a mistake.

But what if it part of there proces. They designed it this way to come to a factory proces,
so they could simply design a cheap working proces.  It is a way of thinking, we probally dont understand.

Also they did not tell anything about it in the release note, which is very strange.

marmad:

--- Quote from: Wim13 on April 18, 2013, 09:48:03 am ---A bug is when you made a mistake in your software. But i am not sure it is a mistake.
--- End quote ---

Since I doubt any company wants it's customers complaining and demanding help (i.e. requiring new trial keys) I'm convinced it's a bug.


--- Quote ---Also they did not tell anything about it in the release note, which is very strange.

--- End quote ---

Another reason to believe that any change you've noticed is just the by-product of other work they did on the firmware, and the original self-cal bug still remains.

marmad:
Same post as at "New Rigol DS2000-S series with built-in dual-channel 25-MHz AWG". I'm double-posting this because I thought it might be interesting to people following either thread.

Using SCPI commands, I was able to play around with the features of the DS2000-S waveform generator 'inside' of the new firmware on the DS2000: setting the frequencies, voltage levels, phase, etc. of the two source channels. I also located (but haven't tested yet) the command to download waveforms to the AWG.

Of course, without any external outputs on my model (and not having it open), it was impossible to know if anything other than variable settings inside memory were being affected (probably not of course). I haven't been able to make the DSO show anything (including the new menus or screen icons associated with the AWG - as shown in the image), so I'm wondering if those things are tied to having the model number with the "-S" in non-volatile memory (just like the bandwidth, 2ns timebase, and 100MHz filter seem to be tied to the model number inside the DS2XXX).

Wim13:

AWG functions...very nice

Why is it all in chinees..,

Maybe we have to solder in two BNC plugs on the back side.., have to look on Daves
teardown, to see if there is already something on the circuitboard..to connect to

marmad:

--- Quote from: Wim13 on April 18, 2013, 10:41:44 am ---Why is it all in chinees..,
--- End quote ---
Image is from Chinese document - Rigol always releases new products first in China (more 'beta' testing ;D ) before Western markets.


--- Quote ---Maybe we have to solder in two BNC plugs on the back side.., have to look on Daves
teardown, to see if there is already something on the circuitboard..to connect to
--- End quote ---
I was looking over Dave's photos last night; I couldn't see any obvious DDS circuitry, but there is certainly space for a daughterboard. One bad thing though - the new DS2000-S series has a button on the front panel that isn't on the normal DS2000 series.

From one of Dave's hi-res photos:




New front panel button:

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