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//clear//
//Example5.3:Finimum acceptable frequency
//Page 138
//figure 5.5
clear;
clc;
Rf=20000; //in Ohms
Ri=500; //in Ohms
f2=50*10^3; //In Hz
Anoise=1+(Rf/Ri);
disp(Anoise,"Anoise");
funity=Anoise*f2;
disp("Hz",funity,"funity");
disp("For this application 741 would not be fast enough, therefore 411 would be fine");
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