Internal feedback compensation in amplifier

Q.  Internal feedback or compensation in an amplifier usually compensates for ______
- Published on 24 Sep 15

a. Overshoot
b. Ring
c. Oscillations
d. All of the above

ANSWER: All of the above

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  • Satyawati Patil   -Posted on 09 Oct 15
    Generally, the gain of an amplifier becomes out of control without feedback that varies by a factor of 10 or more. The effective method for controlling the gain variations is with an assistance of feedback. Along with this feedback, there exists the possibility of overshoot, ringing and oscillations to some extent.

    Hence, in order to overcome these possible effects of overshoot, ringing and oscillations, internal feedback technique is adopted. In this technique, internal level of compensation is provided that compensates for the amplifier's tendency to overshoot, ring and oscillate.

    Internal compensation provides transparency to the user and the stability to the amplifier in the recommended conditions and applications.

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