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+// Exa 8.12

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+I_DSS = 15;// in mA

+I_DSS  = I_DSS * 10^-3;// in A

+V_P = -4;// in V

+g_mo = (-2*I_DSS)/V_P;// in S

+V_GSQ = -2;// in V

+g_m = g_mo*( 1-(V_GSQ/V_P) );// in S

+R_D = 2.7;// in k ohm

+R_D = R_D * 10^3;// in ohm

+Av1 = -g_m*R_D;// voltage gain of first stage

+Av2 = Av1;// voltage gain of second stage

+Av = Av1*Av2;// overall voltage gain

+disp(Av,"The overall voltage gain is");

+R_G = 2;// in Mohm

+Rin = R_G;// in Mohm

+disp(Rin,"The input impedance in Mohm is");

+Rout = R_D;// in ohm

+Rout= Rout*10^-3;// in k ohm

+disp(Rout,"The output impedance in k ohm is");

+Rout= Rout*10^3;// in ohm

+Vin = 15;// in mV

+Vin = Vin  * 10^-3;// in V

+Vout = Av*Vin;// in V

+disp(Vout,"The output voltage in V is");

+R_L = 15;// in k ohm

+R_L = R_L * 10^3;// in ohm

+V_L = (R_L/(Rout+R_L))*Vout;// in V

+disp(V_L,"The output voltage across load resistance in V is");