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Analog ElectronicsComparators & Schmitt Triggers

A comparator differs from a linear op-amp amplifier mainly because a comparator is normally intended to operate?

  • AWith its output switching between high and low states
  • BOnly with exactly unity negative feedback
  • COnly as an integrator
  • DAt zero supply voltage
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Correct Answer: A. With its output switching between high and low states
Explanation: A comparator determines which input is larger and normally drives its output toward one of two limiting states rather than operating linearly.
Reference: Standard analog electronics: comparators & schmitt triggers
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