A common-base amplifier has values of rʹe = 15 Ω and RE = 3 kΩ. What is the approximate input impedance of the circuit?

Name: A common-base amplifier has values of rʹe = 15 Ω and RE = 3 kΩ. What is the approximate input impedance of the circuit?
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Question

Quizplus · Accepted Answer

In a common-base amplifier, the input impedance is approximately equal to rʹe, which is given as 15 Ω.

A Common-Base Amplifier Has Values of Rʹe = 15 Ω