initial commit / add all books

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+//Page Number: 163

+//Example 3.12

+clc;

+//Given

+S11=0.6;

+S12=0.045;

+S21=2.5;

+S22=0.50;

+TS=0.5;

+TL=0.4;

+Z0=50; //ohm

+Vrms=10; //V

+

+//(i) Gain Parameters

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

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

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

+

+//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:');

+

+//(ii) Power levels

+//Power available at source

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

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

+

+Pl=9.4*Pavs;

+//Power available at input

+Pin=Pl/13.5;

+disp('W',Pin,'Power available at input:');

+

+//(iii) VSWRs

+M1=Pin/Pavs;

+M2=Pl/(9.6*Pavs);

+

+Tin1=sqrt(1-M1);

+Tout1=sqrt(1-M2);

+

+vswrin=(1+Tin1)/(1-Tin1);

+disp(vswrin,'Input VSWR:');

+vswrout=(1+Tout1)/(1-Tout1);

+disp(vswrout,'Output VSWR:');

+

+//Calculations for gain are done wrong in book, hence answers dont match