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// Example no 6.2
// To compute a)the peak frequency deviation b)the modulation index.
// Page no. 265
clc;
clear all;
// Given data
kf=10*10^3; // Frequency deviation constant gain in Hz/V
fm=4*10^3; // Modulating frequency in Hz
A=4; // Maximum instantaneous value of input signal in V
// To compute the peak frequency deviation
deltaf=A*kf; // The peak frequency deviation in Hz
// To compute the modulation index
betaf=deltaf/fm; // The modulation index
// Displaying the result in command window
printf('\n The peak frequency deviation = %0.0f kHz',deltaf*10^-3);
printf('\n The modulation index = %0.0f',betaf);
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