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+clc;
+//page no 207
+//prob no. 5.11
+//A PLL FM generator refering fig.5.25 with
+f_ref=100*10^3;N=200;kf=50*10^3;//in Hz/V
+//a)Determination of carrier freq of o/p signal
+fc=N*f_ref;
+disp('MHz',fc/10^6,'The carrier freq of o/p signal');
+//b)Determination of RMS modulating voltage for 10kHz deviation
+dev=10*10^3;
+Vp=dev/kf;
+//Converting peak voltage to RMS voltage
+V_RMS=Vp/sqrt(2);
+disp('mV',V_RMS*1000,'The RMS voltage for needed deviation is ');
+\ No newline at end of file