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MCQ Practice Question

Electronic Devices & Circuits Amplifier Frequency Response

A cascode amplifier is commonly used because it can provide high gain while reducing the influence of which high-frequency effect associated with input-output capacitance?

AMiller effect
BHall effect
CZener effect
DPhotoelectric effect

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Correct Answer: A. Miller effect

Explanation: The cascode keeps the voltage variation across the input transistor's feedback capacitance relatively small, reducing Miller multiplication and improving high-frequency response.

Reference: Standard analog electronics: cascode and Miller effect

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