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Electronic Devices & CircuitsPower Amplifiers

A class-C amplifier conducts for a portion of the input cycle that is typically?

  • AGreater than 360 degrees
  • BExactly 360 degrees
  • CLess than 180 degrees
  • DExactly 180 degrees
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Correct Answer: C. Less than 180 degrees
Explanation: Class-C bias allows device current for less than half of each cycle. Tuned circuits are commonly used to recover a sinusoidal output in RF applications.
Reference: Standard analog electronics: class-C operation
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