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Measurements & InstrumentationSignal Conditioning

An instrumentation amplifier is especially useful for sensor signals because it typically provides?

  • AHigh input impedance and high common-mode rejection
  • BVery low input impedance and zero gain
  • COnly digital output
  • DNo differential amplification
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Correct Answer: A. High input impedance and high common-mode rejection
Explanation: Instrumentation amplifiers are designed for accurate amplification of small differential signals in the presence of common-mode voltage.
Reference: Standard measurements and instrumentation: signal conditioning
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