clc //ex6.3 R=1000/(2*%pi); //resistance C=10*10^-6; //capacitance f_B=1/(2*%pi*R*C); //half-power frequency //the three parts of V_in are V_1=5*cos(20*%pi*t)+5*cos(200*%pi*t)+5*cos(2000*%pi*t) //first component V_in_1 V_in_1=5*complex(cos(0),sin(0)); //V_in_1 phasor w_1=20*%pi; //omega f_1=w_1/(2*%pi); //frequency H_1=1/(1+%i*(f_1/f_B)); //transfer function V_out_1=H_1*V_in_1; V_out_1_R=real(V_out_1); //real part V_out_1_I=imag(V_out_1); //imaginary part V_out_1_max=sqrt((V_out_1_R^2)+(V_out_1_I^2)); //peak value V_out_1_phi=atan(V_out_1_I/V_out_1_R); //phase angle //second component V_in_2 V_in_2=5*complex(cos(0),sin(0)); //V_in_2 phasor w_2=200*%pi; //omega f_2=w_2/(2*%pi); //frequency H_2=1/(1+%i*(f_2/f_B)); //transfer function V_out_2=H_2*V_in_2; V_out_2_R=real(V_out_2); //real part V_out_2_I=imag(V_out_2); //imaginary part V_out_2_max=sqrt((V_out_2_R^2)+(V_out_2_I^2)); //peak value V_out_2_phi=atan(V_out_2_I/V_out_2_R); //phase angle //third component V_in_3 V_in_3=5*complex(cos(0),sin(0)); //V_in_3 phasor w_3=2000*%pi; //omega f_3=w_3/(2*%pi); //frequency H_3=1/(1+%i*(f_3/f_B)); //transfer function V_out_3=H_3*V_in_3; V_out_3_R=real(V_out_3); //real part V_out_3_I=imag(V_out_3); //imaginary part V_out_3_max=sqrt((V_out_3_R^2)+(V_out_3_I^2)); //peak value V_out_3_phi=atan(V_out_3_I/V_out_3_R); //phase angle printf(" All the values in the textbook are approximated, hence the values in this code differ from those of Textbook") disp('Output voltage is Vout1+Vout2+Vout3 where') disp('') disp('FOR Vout1:') disp(V_out_1_max,'peak value in volts') disp(V_out_1_phi*180/%pi,'phase angle in degrees') disp(f_1,'with frequency in hertz') disp('') disp('FOR Vout2:') disp(V_out_2_max,'peak value in volts') disp(V_out_2_phi*180/%pi,'phase angle in degrees') disp(f_2,'with frequency in hertz') disp('') disp('FOR Vout3:') disp(V_out_3_max,'peak value in volts') disp(V_out_3_phi*180/%pi,'phase angle in degrees') disp(f_3,'with frequency in hertz') //we can observe that there is a clear discrimination in output signals based on frequencies i.e, lesser the frequency lesser the effect.