| Products > Test Equipment |
| REVIEW - Rigol DS2072 - First Impressions of the DS2000 series from Rigol |
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| etc6849:
Newbie X-Y plotting question: I was trying to display oscillofun on my Rigol DS2072 (aka DS2202) , hacked and running the latest firmware. It seems it only displays normally with a sample rate of 1GSa/s and a memory depth of only 700 pts. If I try to increase the memory depth, the display gets very very slow at updates (basically unusable). I also noticed that the manual states memory depth is not applicable to X-Y mode, but the option is not grayed out and you can actually change it?!? Any advice? I'd also like to use persistTime in X-Y mode, but this option is grayed out; while the manual does not state it is not available?!? I must say, I'm very jealous of Dave's Agilent he used in the YouScope video. It seemed to work much much better in X-Y mode than my Rigol DS2072?!? I also tried YouScope, but the display was nothing like the Agilent 2024A in the Dave's video (starting at ~3m 28s): Could it be that the Agilent 2000 series scopes out perform the DS2072 in X-Y mode by leaps and bounds or is there some setting I'm missing?!? The manual states: "The following functions are not available in X-Y mode: Auto measure, cursor measure, math operation, reference waveform, delayed sweep, vector display, HORIZONTAL POSITION, trigger control, memory depth, acquisition mode, Pass/Fail test and waveform record." |
| PA0PBZ:
--- Quote from: etc6849 on August 19, 2013, 04:13:07 am ---I was trying to display oscillofun on my Rigol DS2072 (aka DS2202) , hacked and running the latest firmware. It seems it only displays normally with a sample rate of 1GSa/s and a memory depth of only 700 pts. If I try to increase the memory depth, the display gets very very slow at updates (basically unusable). --- End quote --- In X-Y mode you are not really capturing a waveform, it's more like watchin a movie, so what you want is the fastest screen update possible. I'm not sure why you can even increase the memory depth, it makes no sense to me, you don't want any memory at all in this mode. If (and it looks like they do) you only update the screen after capturing a full memory worth of data things will get slow. So while it is normal what you are seeing I have no idea what Rigol is doing with memory in X-Y mode. |
| Carrington:
--- Quote from: K3KO on August 13, 2013, 10:12:35 pm ---I had ordered a 2072 for hacking but I can't find anybody who can give me a firm shipping date in the US. --- End quote --- Can you measure the frequency response when you receive it? Thanks. |
| K3KO:
Not even ordered. I believe the freq response of the 2xxx series scopes is given here. https://www.eevblog.com/forum/testgear/first-impressions-and-review-of-the-rigol-ds2072-ds2000-series-dso/?action=dlattach;attach=57539 Brian |
| Carrington:
--- Quote from: K3KO on August 19, 2013, 01:52:42 pm ---Not even ordered. I believe the freq response of the 2xxx series scopes is given here. ... Brian --- End quote --- Yes, I know, is just to have another reference. |
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