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What type of amplifier is a high frequency response of emitter follower amplifier?

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What type of amplifier is a high frequency response of emitter follower amplifier?

(a) Voltage amplifier

(b) Wideband amplifier

(c) Feedback amplifier

(d) Power amplifier

This question was posed to me in an international level competition.

My doubt is from High-Frequency Response of the Emitter Followers in division Frequency Response of Electronic Devices & Circuits

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Right answer is (c) Feedback amplifier

Explanation: The high frequency response of emitter follower amplifier is one of the most noticeable feedback amplifiers. It provides a negative current feedback to the circuit. These type of amplifiers are usually used in the end stage or the last stage of a series of amplifiers.

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