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diff --git a/1409/CH5/EX5.12/5_12.sce b/1409/CH5/EX5.12/5_12.sce
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+clc;
+//page no 5-23
+//Example 5.12
+//Given s(t)=10*sin[(5.7*10^8*t)+5*sin(12*10^3*t)]
+//Comparing it with standard FM: s(t)= Ac(wc*t+beta*sin(wm*t))
+Ac=10;
+wc=5.7*10^8;
+wm=12*10^3;
+beta1=5;
+fc=(wc/(2*%pi))*10^(-6);
+disp(+'MHz',fc,'Carrier frequency=');
+fm=(wm/(2*%pi))*10^(-3);
+disp(+'kHz',fm,'Modulating frequency=');
+disp(beta1,'Modulation index=');
+fd=beta1*fm;
+disp(+'kHz',fd,'Frequency deviation=');
+R=100;//in ohms
+p=[(Ac/sqrt(2))^2]/R;
+disp(+'W',p,'Power dissipated=');