It is very difficult to get a small output impedance with a common-collector amplifier.

Name: It is very difficult to get a small output impedance with a common-collector amplifier.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

A common-collector amplifier, also known as an emitter follower, naturally has a low output impedance due to its configuration, where the output is taken from the emitter, which follows the input voltage. This makes it ideal for impedance matching applications.

It Is Very Difficult to Get a Small Output Impedance