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

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marmad:

--- Quote from: TP on May 19, 2013, 06:11:39 pm ---Unfortunately when I checked the data saved on a USB stick (CSV format) it was 8 bit quantized even when it had been taken in HiRes mode.  I don't know about data transfered directly to the PC via USB or Ethernet (say using Marmad's program).

--- End quote ---

Unfortunately, I believe the HighRes mode is only used to generate the display from the sample memory - I don't think it's ever actually saved anywhere as 12-bit. Originally, because the SCPI command set has a special command to transfer samples in WORD format, I thought that it would be possible to get the 12-bit data out of the DSO. But I did some testing transferring the sample memory in both Normal and HighRes modes (as BYTE and WORD) - and it was exactly the same.

BTW, I did pass on to Rigol (via Drieg) that it would be nice to use the WORD command in order to get the 12-bit data out of the DSO.

egonotto:
Hi

I think one has to do the hires in PC. Perhaps one can find a better algorithm as boxcar.
In PC you have more processing power and more time.
Hires is a kind of low-pass filter.  Perhaps I have soon time to introduce me in digital filter.

Best Regards
egonotto

marmad:
Ha, ha  ;D  When I just sent my DS2000 a SCPI command to make the DSO enter Logic Analyzer (LA) mode, it responded with the following message:

TP:

--- Quote from: egonotto on May 19, 2013, 06:39:51 pm ---Hi

I think one has to do the hires in PC. Perhaps one can find a better algorithm as boxcar.
In PC you have more processing power and more time.
Hires is a kind of low-pass filter.  Perhaps I have soon time to introduce me in digital filter.

Best Regards
egonotto

--- End quote ---

Sorry, I misunderstood you.  Yes you can post process via a boxcar averaging to get more resolution; I've done it successfully.

Wim13:

--- Quote from: marmad on May 19, 2013, 06:59:01 pm ---Ha, ha  ;D  When I just sent my DS2000 a SCPI command to make the DSO enter Logic Analyzer (LA) mode, it responded with the following message:

--- End quote ---


Yes, i have tried also lots of AWG variables, you can write to and read back...
fun, but nothing you can use for something.... :-[

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