Differential Amplifier: Effect of Increasing R_E on Gains & CMRR | GATE EC 2014 Set 2 Question 22

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EC > GATE 2014 SET-2 > Differential Amplifiers

In the differential amplifier shown in the figure, the magnitudes of the common-mode and differential-mode gains are A_cm and A_d, respectively. If the resistance R_E is increased, then

A

A_cm increases

B

common-mode rejection ratio increases

C

A_d increases

D

common-mode rejection ratio decreases

Correct : d

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