clc; //page no 8-57 //Example 8.17 fo=1010;//in kHz fs=555;//in kHz Q=40; fi=fo-fs; disp(+'kHz',fi,'Intermediate frequency is '); fsi=fs+(2*fi); disp(+'kHz',fsi,'Image frequency is '); rho=(fsi/fs)-(fs/fsi); alpha=sqrt(1+(Q^2*rho^2)); disp(alpha,'Image frequency rejection ratio is ');