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Analog ElectronicsOscillators

For a resonant circuit with f0 = 1 MHz and Q = 100, its approximate 3 dB bandwidth is?

  • A1 kHz
  • B10 kHz
  • C100 kHz
  • D1 MHz
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Correct Answer: B. 10 kHz
Explanation: For a resonant circuit, bandwidth ≈ f0/Q = 1,000,000/100 = 10,000 Hz = 10 kHz.
Reference: Standard analog electronics: oscillators
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