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| True analog scopes |
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| Mechatrommer:
--- Quote from: Sherlock Holmes on December 12, 2022, 09:59:30 pm ---Well, there's zero quantization noise, so I was wandering if some applications find that important? --- End quote --- oo weally? can you differentiate white noise vs black noise? analog vs digital noise? english noise vs asia noise? have you heard about sinc(x)? https://www.tek.com/en/support/faqs/why-does-my-digital-oscilloscope-have-more-noise-then-my-analog-oscilloscope |
| tautech:
Quietly hoping MED digs out all the pics of his old Teks from the TEA thread and posts them here. :popcorn: |
| Mechatrommer:
please dont! |
| tggzzz:
--- Quote from: tautech on December 12, 2022, 10:04:47 pm ---There's 12 bit DSO's available too. Guess which kicks arse. ;) --- End quote --- There are 14bit DSOs available too, but not from your supplier. One also includes a spectrum analyser (where the extra resolution is visible), network analyser, impedance analyser, bode plots, AWG, pattern generator, logic analyser, protocol analyser, curve tracer. Plus you can create extra instruments via scripting. Is it general purpose? Yes in some ways, no in others. Specify the job and use cases, then choose the tool. |
| Sherlock Holmes:
--- Quote from: Mechatrommer on December 13, 2022, 10:34:13 am --- --- Quote from: Sherlock Holmes on December 12, 2022, 09:59:30 pm ---Well, there's zero quantization noise, so I was wandering if some applications find that important? --- End quote --- oo weally? can you differentiate white noise vs black noise? analog vs digital noise? english noise vs asia noise? have you heard about sinc(x)? https://www.tek.com/en/support/faqs/why-does-my-digital-oscilloscope-have-more-noise-then-my-analog-oscilloscope --- End quote --- Yes, really. Didn't you know? if you convert an analog voltage to a digital representation of that voltage, you'll introduce quantization noise. If you actually watch that video, you'll see he's not talking about quantization noise. |
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