// Exa 5.11 format('v',5); clc; clear; close; // Given data gm=2;// in mA/V gm=gm*10^-3;// in A/V r_d= 40;// in kohm r_d= r_d*10^3;// in ohm Rs= 3;// in kohm Rs= Rs*10^3;// in ohm miu= gm*r_d; Bita=1; Av= miu*Rs/(r_d+Rs); D= 1+Bita*Av; Avf= Av/D; // Ri=infinite, so R_if = Ri*D = infinite Rof= r_d/D;// in ohm disp(Av,"Value of Av is : ") disp(D,"Value of D is ") disp(Avf,"Value of Avf is : ") disp("Value of R_if is ") disp("infinite") disp(Rof,"Value of Rof in ohm is : ")