engineering physics MCQ #1891

The CMRR of an op-amp is given by CMRR = 20log(A_d / A_c). What does A_d represent?

engineering physics MCQ #1891

  1. Question 1

    Q1. The CMRR of an op-amp is given by CMRR = 20log(A_d / A_c). What does A_d represent?

    • A) Common-mode gain
    • B) Differential gain
    • C) Input resistance
    • D) Output resistance

    Answer: Differential gain

    Explanation: A_d is the differential gain, representing the gain for differential input signals.