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// Exa 15.9
clc;
clear all;
// Given data
// Refering Fig. 15.2(a)- All pass filter
f=2.5;// Input frequency in kHz
// Solution
disp(" Let C=0.01 micro farads and R= 15 k Ohms");
C=0.01;// micro farads
R=15;// k Ohms
Phi=2*atan(2*%pi*f*C*R); // phase angle in radians
printf(' This means that the output voltage Vo has the same frequency and amplitude as the input voltage but lags it by - %d degrees\n',Phi*180/%pi);
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