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//Example 6.11
clear;
clc;
C=(5/%pi)*10^(-9);
R1=10*10^3;
R2=30*10^3;
GBP=1*10^6;
Hreler=0.01;//Departure of H from Hideal
ft=1*10^6;
fx=ft/(1+(R2/R1));
fmax=((1/((1-Hreler)^2)-1)^(1/2))*fx;
f0=1/(2*%pi*R1*C);
fmin3dB=(1/((1/(f0^2))-(1/(fx^2))-(1/((f0^2)*(fx^2)))))^(1/2);//f(-3dB)
f3dBer=((fmin3dB-f0)/fmin3dB)*100;
printf("Percentage Deviation of cut off frequency=%.2f",f3dBer*2);
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