I'm certainly not going t buy it just because it has a 12bit ADC.
This thing is badly in need of a good and thorough review.
This thing is badly in need of a good and thorough review.
Once you've tried a touch screen (or mouse) then using a twisty knob for navigation is a complete joke. I went from a Rigol DS1054Z to a Micsig and I'd never go back even though the Rigol can do more things.
Once you've tried a touch screen (or mouse) then using a twisty knob for navigation is a complete joke. I went from a Rigol DS1054Z to a Micsig and I'd never go back even though the Rigol can do more things.
I’m almost completely the opposite: I have two Micsigs, one with the knobs, one without. I also have an MSO1074Z. I always prefer using the Rigol over the Micsigs, I just don’t find working with touch screens works particularly well for me.
The same applies to the other touch screen scopes I use, MSO5000, SDS2000X+ and MDO3104T: if I can do it with the knobs, I prefer to use the knobs. I do have a wireless mouse hooked up to the MDO3104T which occasionally comes in useful.
I also have an early touchscreen scope, an MSO8104A, at my soldering workbench. You have to use a keyboard and mouse or touchscreen for anything but primary functions. I can’t remember ever using the touchscreen. I very recently replaced it with a 2nd hand MSO6104A, with no touch screen, keyboard or mouse, and consider my life improved!
if this Rigol with it's 12 bit ADC still has a 3% accuracy for on screen RMS measurements, then that's pretty atrocious in my view.
with it's 12 bit ADC
if this Rigol with it's 12 bit ADC still has a 3% accuracy for on screen RMS measurements, then that's pretty atrocious in my view.
I think you have unrealistic expectations of oscilloscopes, if you regard them as precision measuring instruments. You could spend 4-5 times the amount on a current A-brand scope and not achieve better.with it's 12 bit ADC
resolution != accuracy
if this Rigol with it's 12 bit ADC still has a 3% accuracy for on screen RMS measurements, then that's pretty atrocious in my view.
I think you have unrealistic expectations of oscilloscopes, if you regard them as precision measuring instruments. You could spend 4-5 times the amount on a current A-brand scope and not achieve better.with it's 12 bit ADC
resolution != accuracyThat seems reasonable. Which then makes me curious how much that improved resolution actually benefits the user. Because is the resolution can't really be conveyed through the wave image on the screen - and the measurements are still not 'accurate' - then where is the real benefit?
I'm guessing a 12bit will be more 'accurate' than an 8bit scope, even though neither is good enough as a precision instrument?
Who buys a DHO814 when the DHO804 is hackable?
Who buys a DHO814 when the DHO804 is hackable?I searched around a bit and haven't been able to find information on that hack... Do you have a link? Thanks.
Thank you,hubert.
My DHO804 is DHO924 now.
Two extra drams are only for LA.It can be unpopulate if doesn't use the LA .
The bandwidth is increased successfully.it has 800ps rise time now.
And the memory depth is 50M now.
where is the real benefit?
I'm guessing a 12bit will be more 'accurate' than an 8bit scope, even though neither is good enough as a precision instrument?
EDIT - one area where I expect more bits does make a big improvement is that frequently signals are not measured at their full scale, so many bits go unused and the displayed waveform is based on only a portion of the bits available
More bits = more precise capturing of the shape.
Who buys a DHO814 when the DHO804 is hackable?I searched around a bit and haven't been able to find information on that hack... Do you have a link? Thanks.Earlier in the thread, the following was mentioned, although it's less of a hack and more of a complete reflash:
Considering that scopes are not precision measurement devices, and seem to be most useful for visually identifying signal issues and time based analysis, I have to admit that the whole 12bit vs 8bit thing has me confused. Technically, I get it and my gut says more bits is better. But I feel the same way with audio and a lot of people say there isn't a huge difference in 24bit vs 16bit audio (I've never bothered to do any real A/B testing).
Even DHO4000 has only 2% ...
The latter is the benefit of 24bit audio, especially for classical music (if done right). At the same time it's not hard fit less demanding music into 16 bits without clipping, but some studios manage to screw up even that (loudness wars). More bits can help if used properly.
It's also obvious that the system is wide open to hacking. It will probably be done via USB within 30 minutes of the first wave of deliveries at the end of this month.
(And before you ask: No, Rigol is NOT going to do anything about this ... hacking is their bread and butter)
In that case/my case with a 924S on its way (so need for hacking higher specs to a lower specced model), I propose two hacks:
Hack 1: a button that closes all surrounding menus/info panels around the main display and enlarges the display to the full 7-inch,
Hack 2: the possibility to adjust the timebase in a VCO-like manner, just like in an analog scope like the PM3230.
In that case/my case with a 924S on its way (so need for hacking higher specs to a lower specced model), I propose two hacks:
Hack 1: a button that closes all surrounding menus/info panels around the main display and enlarges the display to the full 7-inch,
Hack 2: the possibility to adjust the timebase in a VCO-like manner, just like in an analog scope like the PM3230.
I'm sure you'll be very popular if you do those two things for us.
Previous posts in this thread have indicated that the code is not obfuscated and therefore decompiled easily. This might be the most modable scope ever. If Rigol continues to allow the community to "hack" these scopes or better yet embraces the community we may have the futures most popular scope family available here.
Rigol: Do you remember what opening up iPhone to 3rd party app development did for iPhone sales?
Hack 2 needs both hardware and software adaptions.