// Exa 13.2 clc; clear; close; // Given data C = 1;// in µF C = C * 10^-6;// in F R_A = 4.7;// in k ohm R_A = R_A * 10^3;// in ohm R_B = 1;// in k ohm R_B = R_B * 10^3;// in ohm T_on = 0.693*(R_A+R_B)*C;// in s T_on = T_on;// in sec disp(T_on * 10^3,"Positive pulse width in ms is"); T_off = 0.693*R_B*C;// in s T_off = T_off;// in ms disp(T_off * 10^3,"Negative pulse width in ms is"); f = 1.4/((R_A+2*R_B)*C);// in Hz disp(f,"Free running frequency in Hz is"); D = ((R_A+R_B)/(R_A+(2*R_B)))*100;// in % disp(D,"The duty cycle in % is");