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+// Exa 2.18

+clc;

+clear; 

+close;

+// Given data 

+Vt= 1;// in V

+unCox= 120;// in µA/V^2

+unCox= unCox*10^-6;// in A/V^2

+L1=1;// in µm

+L2=L1;// in µm

+I_D= 120;//in µA

+I_D= I_D*10^-6;//in A

+V_GS1= 1.5;//in V

+V_G2= 3.5;// in V

+V_S2= 1.5;// in V

+V_DD= 5;// in V

+V_D2= 3.5;// in V

+// Formul I_D= 1/2*unCox*W/L*(V_GS1-Vt)^2

+W1= 2*I_D*L1/(unCox*(V_GS1-Vt)^2);// in µm

+disp(W1,"The value of W1 in µm is : ")

+V_GS2= V_G2-V_S2;//in V

+// Formul I_D= 1/2*unCox*W/L*(V_GS1-Vt)^2

+W2= 2*I_D*L2/(unCox*(V_GS2-Vt)^2);// in µm

+disp(W2,"The value of W2 in µm is : ")

+R= (V_DD-V_D2)/I_D;// in Ω

+disp(R*10^-3,"Resistance in kΩ");