+1 vote
in Linear Integrated Circuits by (38.2k points)
If the feedback voltage and the output voltage are given as 10v and 4v. Find the gain of the feedback circuit in voltage-series feedback amplifier?

(a) 2.5v

(b) 40v

(c) 3v

(d) 6.2v

The question was asked during an interview.

This interesting question is from Voltage Series Feedback Amplifier topic in chapter Operational Amplifier Characteristics of Linear Integrated Circuits

1 Answer

0 votes
by (39.8k points)
Right answer is (a) 2.5v

Expand on the concept with: Gain of feedback, B =  Vf /Vo  = 10v/4v = 2.5v.

Related questions

We welcome you to Carrieradda QnA with open heart. Our small community of enthusiastic learners are very helpful and supportive. Here on this platform you can ask questions and receive answers from other members of the community. We also monitor posted questions and answers periodically to maintain the quality and integrity of the platform. Hope you will join our beautiful community
...