initial commit / add all books

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+//Page Number: 216

+//Example 4.15

+clc;

+//Given

+T1=1/2;

+T2=3/5;

+T3=0;

+T4=4/5;

+p=500D-3; //W

+//S matrix for magic Tee

+x=1/sqrt(2);

+s=[0 0 x x;0 0 x -x;x x 0 0;x -x 0 0];

+//Using the input output relation

+//[b]=[s]*[a]

+b=[0.6565;0.7576;0.5536;0.0892];

+

+//(i) Power transmitted through ports

+//Port 1

+p1=(1/2)*b(1,1)^2*(1-T1^2);

+disp('W',p1,'Power at port 1:');

+

+//Port2

+p2=(1/2)*(b(2,1)^2)*(1-(T2^2));

+disp('W',p2,'Power at port 2:');

+

+//Port 4

+p4=(1/2)*b(4,1)^2*(1-T4^2);

+disp('W',p4,'Power at port 4:');

+

+//(ii) Power reflected at port 3

+//Port 3

+p3=p*b(3,1)^2;

+disp('W',p3,'Power at port 3:');

+

+//(iii) Power absorbed

+pabs=p-(p1+p2+p3+p4);

+disp('W',pabs,'Power absorbed:');

+

+//Answer for power absorbed is calculated wrong in book