Explain why are differential inputs used in electronics

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1. When filtering an audio signal, what frequencies must bepreserved? First determine the frequency range produced by thehuman voice, and the audible range of the human ear.

2. For pulse oximeter signals for heart rates less than 240 beatsper minute, what do you expect will be the important spectral andother signal characteristics that need to be preserved in anelectronic system?

3. Why are differential inputs used in electronics?

Reference no: EM13281701

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