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+//Page Number: 455

+//Example 9.6

+clc;

+//Given

+S11=0.60;

+S12=0.045;

+S21=2.50;

+S22=0.50

+TS=0.5;

+TL=0.4;

+Vrms=10; //V

+Z0=50; //ohm

+

+//(i)Reflection coefficients of input and output

+Tin=S11+((S12*S21*TL)/(1-(S22*TL)));

+Tout=S22+((S12*S21*TS)/(1-(S22*TS)));

+disp(Tin,'Reflection coefficients of input:');

+disp(Tout,'Reflection coefficients of output:');

+

+//(ii) Gains

+//Transducer Gain

+x=(1-(TS)^2)/((1-(S11*TS))^2);

+y=(S21*S21);

+z=(1-(TL)^2)/((1-(Tout*TL))^2);

+GT=x*y*z;

+disp(GT,'Transducer Gain:');

+

+//Available Power Gain

+z1=1-(Tout)^2;

+GA=(x*y)/z1;

+disp(GA,'Available power Gain:'); 

+

+//Power Gain

+z2=1-(Tin)^2;

+GP=(x*y)/z2;

+disp(GP,'Power Gain:');

+

+//Calculation for Tout and Gains are wrong in the book, hence the answers dont match

+

+//(iii) Power available

+Gt=9.4;

+Pas=(sqrt(2)*Vrms)^2/(8*Z0);

+Pal=Gt*Pas;

+disp('W',Pas,'Power available at source:');

+disp('W',Pal,'Power available at load:');