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Analog ElectronicsOperational Amplifiers

An op-amp has PSRR = 80 dB. The corresponding rejection ratio is approximately?

  • A100
  • B1000
  • C10000
  • D100000
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Correct Answer: C. 10000
Explanation: For a voltage ratio, 80 dB corresponds to 10^(80/20)=10000.
Reference: Standard analog electronics: PSRR numerical
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