// Exa 5.18 clc; clear; close; format('v',6) // Given data Vo = 36;// in V Vi = 0.028;// in V A = Vo/Vi; Vf = 1.2; Vo = 100; Beta = Vf/Vo; // Gain with feedback Af = A/(1+(A*Beta)); Vs = Vi;// in V // Output voltage Vo =Af*Vs;// in V disp(Vo,"The output voltage in V is"); //Df =D/(1+(A*Beta)); DbyDf = 7/1; ABeta = (DbyDf)-1; Af =A/(1+(ABeta)); Vo = 36;// in V // The input voltage, Vs =Vo/Af; disp(Vs,"The input voltage is");