General > General Technical Chat
How much accuracy do YOU really need?
TimFox:
Another potential problem with any ADC system is stuck bits: a diagnostic can tabulate the frequency of the individual bits to look for stickiness.
madires:
--- Quote from: ebastler on February 10, 2023, 09:53:47 pm ---
--- Quote from: madires on February 09, 2023, 02:57:27 pm ---accuracy <-> precision <-> resolution
--- End quote ---
Umm... what do you mean by the "<->" symbol?
--- End quote ---
Arrows. All three are different things, but still connected.
David Hess:
--- Quote from: TimFox on February 11, 2023, 05:37:03 am ---Another potential problem with any ADC system is stuck bits: a diagnostic can tabulate the frequency of the individual bits to look for stickiness.
--- End quote ---
Missing codes and lack of being monotonic may or may not indicate a problem depending on the design and resolution.
Siwastaja:
Test gear is 99% masturbation.
Whether the accuracy specs matter for real projects, completely depends on what kind of projects one works with. Generally most of the projects are fine with 2-3 digits of resolution and 1-5% of accuracy in pretty much everything, but if your specific project needs higher accuracy, then such generalization is not helpful for that project.
Incidentally, people who discuss and collect highly accurate test gear almost never build any actual projects that need this accuracy. At most, they build more test gear.
TimFox:
--- Quote from: David Hess on February 11, 2023, 02:25:12 pm ---
--- Quote from: TimFox on February 11, 2023, 05:37:03 am ---Another potential problem with any ADC system is stuck bits: a diagnostic can tabulate the frequency of the individual bits to look for stickiness.
--- End quote ---
Missing codes and lack of being monotonic may or may not indicate a problem depending on the design and resolution.
--- End quote ---
My experience where it was a problem were on large-scale digitized x-ray detector arrays.
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