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+clc;
+//Example 7.5
+//Page No 260
+
+
+
+//Solution
+
+df=75; 
+
+fm=15;
+
+//(a)
+
+disp("(a)The deviation ratio is found by substituting into equation 7-35(refer pgno), ");
+
+DR=df/fm;
+
+disp(DR,"DR = ");
+
+disp("From Table 7.3);
+
+B=2*(8*fm);
+
+disp('kHz',B,"B = ");
+
+//(b)
+
+disp("(b)For an 37.5kHz frequency deviation and modulating signal frequency fm=7.5, the modulation index is, ");
+
+m=37.5/7.5;
+
+disp(m,"m = ");
+
+disp("and the bandwidth is, ");
+
+b=2*(8*7.5);
+
+disp('kHz',b,"B = ");