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+//clear//

+//Example5.6:design a circuit with upper break frequency

+//Page 142

+clear;

+clc;

+Av1=26;     //in dB

+Av=20;      //ordinary gain

+f2=500*10^3;    //in Hz

+

+funity=f2*Av;    //(Anoise=Av for non inverting terminal)

+disp("Hz",funity,"funity")

+//411 has funity =4MHZ ,therefore atleast 2 stages would be required

+//Stage 1

+f411=4*10^6;            //in hz

+Av1=f411/f2;

+ disp(Av1,"Av");

+//To achive gain of 20 second stage should have gain of atleast Av2=2.5

+Av2=2.5;

+f2=f411/Av2;

+disp("Hz",f2,"f2");