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What is the application of an emitter follower amplifier?(a) Positive feedback(b) Voltage gain(c) Power gain(d) Impedance matchingThis question was addressed to me by my college professor while I was bunking the class.This interesting question is from The Emitter Follower topic in section Low Frequency Transistor Amplifier Circuit of Electronic Devices & Circuits

Answer» RIGHT choice is (d) Impedance matching

Explanation: The high input impedance ALONG with low output impedance makes the emitter follower amplifier ideal for impedance matching. Along with that, its key characteristics include a COMPARATIVELY high current and power gain.


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