initial commit / add all books

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+//Page Number: 12

+//Example 1.2

+clc;

+//Given

+z0=50;//ohm

+zg=50;//ohm

+l=0.25;//m

+f=4D+9;//hz

+zl=100;//ohm

+vg=10;//V

+w=2*%pi*f;//rad/sec

+c=3D+8; //m/s

+

+//(i) Voltage and current at any point

+tg=(zg-z0)/(zg+z0);

+tl=(zl-z0)/(zl+z0);

+vi=z0*vg/(z0+zg);//V

+disp('V',vi,'Voltage at any point:');

+ii=vg/(2*z0);//A

+disp('A',ii,'Current at any point:');

+

+//(ii) Voltage at generator end

+//Taking z=1

+z=1;

+bet=w/c;

+vz=(vg/2)*exp(-%i*bet*(z+l))*(1+(tl*exp(2*%i*bet*z)));//V

+disp('V',vz,'Voltage at generator end:');

+iz=ii*exp(-%i*bet*(z+l))*(1-(tl*exp(2*%i*bet*z)));//A

+vz1=(vg/2)*exp(-%i*bet*(z+l))*(1+(tl*exp(2*%i*bet*z)));//V

+

+//Voltage at load end, z=0

+z11=0;

+vl=(vg/2)*exp(-%i*bet*l)*(1+(tl*exp(2*%i*bet*z11)));//V

+disp('V',vl,'Voltage at load end:');

+

+//(iii) Reflection coefficient

+zx=0.25;

+tz=tl*exp(%i*2*bet*zx);

+disp(tz,'Reflection coefficient:');

+

+//(iv) VSWR

+p=(1+tl)/(1-tl);

+disp(p,'VSWR:');

+

+//(v) Average power delivered to the load

+vl=20/3;

+pl0=vl^2/(2*zl);//W

+disp('W',pl0,'Average power delivered to the load:');