Question 7.5: An integrated circuit that produces an openloop gain of 100 ...

An integrated circuit that produces an openloop gain of 100 is to be used as the basis of an amplifier stage having a precise voltage gain of 20. Determine the amount of feedback required.

The blue check mark means that this solution has been answered and checked by an expert. This guarantees that the final answer is accurate.
Learn more on how we answer questions.

Re-arranging the formula, G=\frac{A_v}{1+\beta A_v} to make β the subject gives:

\beta =\frac{1}{G}-\frac{1}{A_v}

Thus

\beta =\frac{1}{20}-\frac{1}{100} =0.05-0.01=0.04

Related Answered Questions

Question: 7.8

Verified Answer:

Since 2 V appears across R4, we can determine the ...