//ANALOG AND DIGITAL COMMUNICATION //BY Dr.SANJAY SHARMA //CHAPTER 5 //ANGLE MODULATION clear all; clc; printf("EXAMPLE 5.13(PAGENO 220)"); //given f_m = 1*10^3//modulating frequency V_m = 2//modulating voltage in volts deltaf = 6*10^3//frequency deviation V_m1 = 4//increased modulation voltage for first case V_m2 = 8//increased modulation voltage for second case //calculations k_f = deltaf/V_m//proportion constant //first case deltaf1 = k_f*V_m1//frequency deviation for first case //second case deltaf2 = k_f*V_m2//frequency deviation for second case //results printf("\n\ni.Frequency deviation for modulating voltage 4V = %.2f Hz",deltaf1); printf("\n\nii.Frequency deviation for modulating voltage 8V = %.2f Hz",deltaf2);