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Analog ElectronicsFrequency Response

An amplifier has lower cutoff frequency 200 Hz and upper cutoff frequency 20 kHz. Its bandwidth is?

  • A19.8 kHz
  • B20.2 kHz
  • C10 kHz
  • D200 kHz
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Correct Answer: A. 19.8 kHz
Explanation: Bandwidth = fH - fL = 20000 - 200 = 19800 Hz = 19.8 kHz.
Reference: Standard analog electronics: frequency response
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