ETC EngineeringMCQs
Home › Analog Electronics › For a Wien-bridge oscillator, the lead-lag feedback network has an attenuation of approximately 1/3 at resonance, so the amplifier gain required for sustained oscillation is approximately?
MCQ Practice Question
Analog ElectronicsOscillators

For a Wien-bridge oscillator, the lead-lag feedback network has an attenuation of approximately 1/3 at resonance, so the amplifier gain required for sustained oscillation is approximately?

  • A1
  • B2
  • C3
  • D29
Report an error
Correct Answer: C. 3
Explanation: At the balance frequency the Wien network returns about one-third of the output, so the amplifier must provide a gain of approximately 3.
Reference: Standard analog electronics: oscillators
Continue practicing: Analog Electronics MCQs or browse all MCQs.