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Analog ElectronicsActive Filters

A high-pass filter ideally attenuates signals primarily?

  • AAbove its cutoff frequency
  • BBelow its cutoff frequency
  • COnly exactly at resonance
  • DAt all frequencies equally
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Correct Answer: B. Below its cutoff frequency
Explanation: A high-pass filter passes frequencies above its cutoff region while attenuating lower-frequency components.
Reference: Standard analog electronics: active filters
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