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//Example 4.5 // Determine the differece voltage and open loop gain of an op-amp
clc ;
clear ;
close ;
V1 = 5 ; // volt // input voltage // GND
V2 = -5 ; // volt
Vo = -20 ; //volt // output voltage
// the difference voltage is given by
Vd = V2-V1 ;
disp(' The difference voltage is = '+string(Vd)+' V ');
// open loop gain
A = (Vo/Vd);
disp(' The open loop gain is = '+string(A)+' ');
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