But although I can understand backlogs, I begin to see a red flag when a manufacturer repeatedly fails to meet already-promised distributor commitments within a reasonable time span.
I think you're being a little paranoid. Everyone knows the -S version is coming out shortly (if not already on sale in China) - so it's quite possible that backlogs/delays are connected to that. BTW, Batronix here in the EU (as well as other companies) seems to continue to have stock so it seems to be an NA problem - not a manufacturing or FW problem.Quote...and serious, unfixed bugs
What might those be? There are no serious bugs - and just one rather annoying one.Quote...and we see a very unclear picture of where Rigol is taking this product.
I'm not sure I follow. The DS2000 is very successful - so Rigol is coming out with an enhanced version with built-in AWG (the -S model) to broaden the line.
But although I can understand backlogs, I begin to see a red flag when a manufacturer repeatedly fails to meet already-promised distributor commitments within a reasonable time span.
I think you're being a little paranoid. Everyone knows the -S version is coming out shortly (if not already on sale in China) - so it's quite possible that backlogs/delays are connected to that.Quote...and serious, unfixed bugs
What might those be? There are no serious bugs - and just one rather annoying one.Quote...and we see a very unclear picture of where Rigol is taking this product.
I'm not sure I follow. The DS2000 is very successful - so Rigol is coming out with an enhanced version with built-in AWG (the -S model) to broaden the line.
I consider the very security flaws that have been successfully exploited to be serious.
The anti-aliasing bug-- okay, you consider it an annoyance but others might consider it a serious bug.
Or maybe it's the bug that wipes out the trial options when the scope is calibrated that is the annoyance.
I am concerned about how well this model will be supported by the manufacturer going forward: the timeliness of customer support, bug fixes, product updates, response to customer feedback, etc.
I wish they did a 4 channel version of the DS2000. The 4000 series is rather expensive so there is nothing to compete with Agilent's 4 channel 2000X scopes.
...No function generators in stock except for a few models of the DG5000 (no 1000's, or 4000's)...
If one of the members here would be kind enough to PM me the EEV discount code I would be very grateful.
...No function generators in stock except for a few models of the DG5000 (no 1000's, or 4000's)...I ordered a DG4162 on June 17th from Tequipment and much to my surprise the tentative shipping date is August 7th . I also planned on purchasing a DS2202 but still haven't gotten a reply to my PM here to Tequipment regarding the EEVblog discount . In addition, I e-mailed Rick @ Tequipment directly on June 19th when I found out they were out of stock until August about the possibility of changing the order from the generator to a scope and haven't gotten a reply from him either . I expect poor customer service from Rigol, but certainly not from Tequipment .
If one of the members here would be kind enough to PM me the EEV discount code I would be very grateful.
And finally, a special thank you goes out to Marmad and the other ingenious folks who have put so much time and effort into exploring the full potential of these scopes . All your efforts are greatly appreciated by countless members here and elsewhere.
Marc -
It was Rick I just talked to @ TE. I had asked if he was the guy who is on EEVBlog and he said generally no, so if you PM'ed him then I don't think he comes to the site too much... I wouldn't hold it against them, I don't think the EEVBlog is an official support channel for them...
I will set up a coupon code today to give a flat discount. Its a bit complicated as some manufactures have a min sale price that we cannot go below that applies to certain items and with our current back end its not as sophisticated we would like.
Its also possible we can do better than this flat discount.. sometimes there is margin and sometimes there is not. It depends on the brand or item. Sometimes a quote is better but I think the flat discount would work for most items.
PM me for the code. It was set up as I typed this. This would also work on all clearance. We are moving a bunch of items out below cost right now.
Thanks for the business,
Evan Cirelli
Co-owner of TEquipment.NET
Turning on anti aliasing does not change anything, only the brightness.
The anti-aliasing bug-- okay, you consider it an annoyance but others might consider it a serious bug.
We already knew it was a sample->display thing, but here's an example where it actually fixes up waveform aliasing.
I found Hi Res to be even worse: Putting "High Resolution" in the sample section of the datasheet (and the acquire menu of the scope) is pretty much a lie, especially if other scopes actually implement it at signal->sample time.
I found Hi Res to be even worse: Putting "High Resolution" in the sample section of the datasheet (and the acquire menu of the scope) is pretty much a lie, especially if other scopes actually implement it at signal->sample time.
The digitizing oscilloscope supports five acquisition modes.
Sample
Peak Detect
Hi Res
Envelope
Average
HighRes is acquisition mode - exactly.
Tell to Tektronix they have done it wrong. It is more like they have defined world of oscilloscpes (in history) and others have then followed....
Btw, it is also good to understand what is High Res mode, how it works.
It's almost certainly working as intended. I wouldn't call it a bug, but it is deceptive.
Just to elaborate: the way that the DSO SHOULD be implementing anti-aliasing is with oversampling which is then randomly decimated before display to avoid the appearance of a false low frequency component - or if the sample length is already deep, just random decimation when displayed.
Tell to Tektronix they have done it wrong. It is more like they have defined world of oscilloscpes (in history) and others have then followed....
I know the meaning of AC and DC coupling for the Signal input
But is the function of AC and DC coupling on the Trigger settings independent of the Channel signal coupling on the DS2000?
What happens with the Signal DC coupled, and Trigger AC coupled?
What happens with the Signal AC coupled, and Trigger DC coupled?
With the Trigger set to AC coupling;
the Trigger level (edge) varies with the trigger level knob, (orange voltage value)
but there is No orange Line --------------------.
Is that because the triggering subsystem cannot know the absolute DC level to put the line on the Display?
Am I explaining that OK.
Right, we're agreeing with each other. I'm saying the DS2000 seems to do the second part; it does sample->display randomization or something similar. But it doesn't do the much more important signal->sample randomization.
This is not what the Rigol does. I don't think the DS2000 can oversample; that if the Rigol ADC is making 2G readings/s, then it's writing 2Gsa/s to sample memory. Rigol's High Resolution averaging happens when displaying the sample memory. This is how Rigol achieves 2GSa/s, by moving everything to sample memory post-processing.
Rigol is approximating features of the big boy scopes, so they named them the same and put them in the same place... but they're not the same! And their approximation of Anti-Alias is nearly useless since their "vectors" algorithm already does a decent job preventing sample->display waveform aliasing. Calling them the same thing is definitely deceptive.
What happens with the Signal AC coupled, and Trigger DC coupled?
What happens with the Signal AC coupled, and Trigger AC coupled?So in AC mode the trigger signal is not the same level anymore as the displayed signal.
The DSO of course does not know the difference of the AC + DC componont of the signal, so
the trigger in AC mode does not know where the desired trigger level is on the screen. And the orange line is meaningless.
Well I tried modes with and input signal = a 1 Vpp Sin with 0.5 Vdc offset
when the DS2072 is Chan 1 AC coupled
and Trigger Setting is set to DC coupled
ACTs the Same as
Chan 1 AC coupled
and Trigger Setting is set to AC coupled
So why not show the orange line!!
I'll try the RFQ process and hopefully, they'll be a little more responsive thru that channel.
when the DS2072 is Chan 1 AC coupled and Trigger Setting is set to DC coupled
ACTs the Same as Chan 1 AC coupled and Trigger Setting is set to AC coupled
So why not show the orange line!!Because it is not the same.....
If trigger mode is in DC, there is a relation with the showed grid on the display ( not the displayed signal )so the DSO can display a orange line.
If trigger on DC and is on 1 volt, there is a relation with 1 volt on the screen.
But in AC mode there is NO relation the the value next to the displayed grid
and the DSO does not now where to display the line, so it does not.
In AC trigger mode 1 volt can be anywhere on the screen.Does this go back to old Scope devices,
because I would think this DS2000 can determine the trigger value that is used to set the position on the display ,
thus show the trigger level line
Below are 4 displays , (note trigger level in low left corner)
1. Input DC coupled with trigger DC coupled
2. Input DC coupled with trigger AC coupled (no trigger line)
3. Input AC coupled with trigger DC coupled
4. Input AC coupled with trigger AC coupled (no trigger line)
What is the Difference between 3 & 4?
Just my small preference