Electronic Devices - BJT Amplifiers - Discussion


Which of the following configurations has the lowest output impedance?

[A]. Fixed-bias
[B]. Voltage-divider
[C]. Emitter-follower
[D]. None of the above

Answer: Option C


No answer description available for this question.

Akj said: (Apr 7, 2015)  
Common collector is used as emitter follower, which has high input and low output impedance.

Ananta said: (Oct 25, 2016)  
The answer is option C. because Ie = Ic + Ib. We known I = V/R.

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