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//Example 3.14
clear;
clc;
C=100*10^(-9);//Assuming C=100 nF
C1=C;
C2=2*C;
f0=60;
BW=5;
R=1/(2*%pi*f0*C);
R1=R;
R2=R/2;
Q=f0/BW;
K=(4-(1/Q))/2;
RA=10*10^3;
RB=(K-1)*RA;
printf("Designed Second Order Notch Filter :")
printf("\nR1=%.2f kohms",R1*10^(-3));
printf("\nR2=%.2f kohms",R2*10^(-3));
printf("\nRA=%.2f kohms",RA*10^(-3));
printf("\nRB=%.2f kohms",RB*10^(-3));
printf("\nC1=%.2f nF",C1*10^9);
printf("\nC2=%.2f nF",C2*10^9);
printf("\n\nLow and High Frequency Gain=%.2f V/V",K);
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