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// Example 11.6
f=150*10^3; // Frequency
Bw=75*10^3; // Band width
Q=f/Bw; // Q-Factor
disp(' Q-Factor is = '+string(Q));
// since Q < 10 there for we need to solve by Equation
// 75= f2-f1 & 150= root(f1*f2)
// will get Eq ( f1^2+ 75f1- 22500= 0 ) by Eliminating f2
// by factorization we have f1=( 117.1kHz or -192.1kHz )
f1=117.1;
f2=75+f1;
disp(' The half Power Frequencies are f1= '+string(f1)+' kHz & f2= '+string(f2)+' kHz');
// p 382 11.6
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