// Exa 15.8 clc; clear all; // Given data // Active notch filter Fn=50; //Notch out frequency(Hz) // Solution disp(" Let C=0.047 micro farads"); C=0.047; // micro farads R=1/(2*%pi*Fn*C*10^-6); printf(' The value of R is calculated as %d k Ohms \n',round(R/1000)); disp("For R/2, two 68 k Ohms resistors connected in parallel are used and for the 2C components, two 0.047 micro farad capacitors connected in parallel are used.");