Which amplifier circuit is used as an emitter follower circuit?a)Common baseb)Common emitterc)Common collectord)Common source JFET amplifierCorrect answer is option 'C'. Can you explain this answer? - EduRev Electronics and Communication Engineering (ECE) Question

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Which amplifier circuit is used as an emitter follower circuit?

a)
Common base
b)
Common emitter
c)
Common collector
d)
Common source JFET amplifier

Correct answer is option 'C'. Can you explain this answer?

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Which amplifier circuit is used as an emitter follower circuit?a)Commo...

The common collector transistor circuit configuration gains its name from the fact that the collector circuit is common to both input and output circuits, the base is associated with only the input, and then the emitter with the output only.
The other name for the common collector is emitter follower. This name is derived from the fact that the emitter voltage "follows" that of the base circuit - the circuit has unit voltage gain.
The emitter follower transistor amplifier has a very straightforward circuit. The base is connected to the previous stage, and often this may be directly connected as this can save on additional bias resistors which lower the input impedance and hence increase the loading to the previous stage.

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Which amplifier circuit is used as an emitter follower circuit?a)Common baseb)Common emitterc)Common collectord)Common source JFET amplifierCorrect answer is option 'C'. Can you explain this answer?

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