Chapter 4, Problem 6P

Revisit the exact analysis of the inverting configuration in Section 4.3.

(a) Find an expression for the gain if $R_{in}=\infty ,R_{out}=0,$ and $A_o\ne \infty .$

(b) Plot the ratio of the gain in (a) to the ideal gain versus $A_o$ for $1\le A_o\le 1000$ for an ideal gain of $-10.$

(c) From your plot, does the actual gain approach the ideal value as $A_o$. increases or decreases?

(d) From your plot, what is the minimum value of $A_o$ if the actual gain is within 5% of the ideal case?