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애플리케이션 노트
How much oscilloscope bandwidth do you need and how fast does the rise time need to be to measure your signals accurately? Oscilloscope users ask this question regularly, but getting a good answer is typically difficult. The answer depends on the frequency response roll-off characteristics of the signal under test (SUT); it must be down about 15 db or more at the scope bandwidth. Most users don’t know the roll-off characteristics of their signals, so this answer isn’t likely to be useful.
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