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Analog ElectronicsFrequency Response

For an amplifier having lower cutoff frequency fL and upper cutoff frequency fH, its bandwidth is conventionally defined as?

  • AfH+fL
  • BfH-fL
  • CfH/fL
  • Dsqrt(fH fL)
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Correct Answer: B. fH-fL
Explanation: The passband bandwidth is the difference between the upper and lower cutoff frequencies: BW=fH-fL.
Reference: Standard analog electronics: amplifier bandwidth
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