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Analog ElectronicsDifferential Amplifiers

For the differential amplifier with CMRR = 10000, CMRR in decibels is?

  • A40 dB
  • B60 dB
  • C80 dB
  • D100 dB
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Correct Answer: C. 80 dB
Explanation: CMRR(dB) = 20 log10(10000) = 80 dB.
Reference: Standard analog electronics: differential amplifiers
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