// Example 5.8:3-db frequency and bandwidth clc; clear; close; Cp=1;//PARALLEL capacitance IN PICO FARAD Cs=2;//series capacitance IN micro FARAD rs=1;//series resistance in killo ohms rp=10;//PARALLEL resistance in killo ohms ts= ((rs+rp)*10^3*Cp*10^-12);//time constant tp= ((rs*rp)/(rs+rp)*10^3*Cp*10^-12);//time constant fl= (1/(2*%pi*ts))*10^-6;//lower frequency in mega hertz fh= (1/(2*%pi*tp))*10^-6;//upper frequency in mega hertz BW=fh-fl;//bandwidth in mega hertz disp(fl,"lower 3 dB frequency in mega hertz") disp(fh,"upper 3 dB frequency in mega hertz") disp(BW,"bandwidth in mega hertz is")