ETC EngineeringMCQs
Home › Analog Electronics › For a second-order Butterworth low-pass response, the quality factor Q of the complex pole pair is approximately?
MCQ Practice Question
Analog ElectronicsActive Filters

For a second-order Butterworth low-pass response, the quality factor Q of the complex pole pair is approximately?

  • A0.5
  • B0.707
  • C1.0
  • D1.414
Report an error
Correct Answer: B. 0.707
Explanation: A normalized second-order Butterworth section has Q=1/sqrt(2), approximately 0.707, giving a maximally flat magnitude response.
Reference: Standard analog electronics: Butterworth filter
Continue practicing: Analog Electronics MCQs or browse all MCQs.