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//Example5.10 // To Determine the percent of change in the closed loop gain Af of feedback op-amp circuit
clc;
clear;
close;
A = 10^5 ; // open loop gain
Af = 50 ; // close loop gain
beta = 0.01999 ; // feedback transfer function
dA = 10^4 ; // the change in the open llop gain
// close loop gain
dAf = ((dA)/(1+dA*beta));
disp('close loop gain dAf is = '+string(dAf)+'');
// the percent change of closed loop gain
%dAf = (((Af-dAf)/(Af))*100);
disp('the percent change of closed loop gain dAf is = '+string(%dAf)+'%');
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