A buffer
A) produces a 180° input/output voltage phase shift.
B) does not produce an input/output voltage phase shift.
C) is usually used to provide voltage gain.
D) requires at least two active devices.

Question

Quizplus · Accepted Answer

Buffers are designed to provide unity gain, meaning they do not alter the phase or amplitude of the signal. Their primary purpose is to isolate different stages of a circuit, not to introduce phase shifts or gain.

A Buffer