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Analog ElectronicsPower Amplifiers

The maximum theoretical efficiency of an ideal class-B push-pull amplifier is approximately?

  • A25%
  • B50%
  • C78.5%
  • D100%
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Correct Answer: C. 78.5%
Explanation: The ideal maximum class-B push-pull efficiency is π/4, approximately 78.5%.
Reference: Standard analog electronics: power amplifiers
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