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Home › Electronic Devices & Circuits › The CMRR of 10000 expressed in decibels is approximately?
MCQ Practice Question
Electronic Devices & CircuitsDifferential Amplifiers

The CMRR of 10000 expressed in decibels is approximately?

  • A20 dB
  • B40 dB
  • C80 dB
  • D100 dB
Report an error
Correct Answer: C. 80 dB
Explanation: CMRR(dB)=20 log10(10000)=20×4=80 dB.
Reference: Standard analog electronics: CMRR in decibels
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