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//Example5.28 // To determine the compensated capacitance of an op-amp
clc;
clear;
close;
Slewrate = 10 ; // V/u sec
Ic = 1*10^-3 ; // mA // capacitor current
Vt = 0.7 ; // V // threshold voltage
// the slew rate of an op-amp is defined as
// Slew rate = (dVo/dt)
// the unity frequency f is
f =(Slewrate/(8*3.14*Vt));
f = f*10^6; // *10^6 because Slew rate is V/uV
disp('the unity frequency f is = '+string(f)+' Hz ');
// The compansated capacitance Cm is
gm = (Ic/Vt);
Cm = (gm)/(4*3.14*f) ;
disp('The compansated capacitance Cm value is = '+string(Cm)+' F ');
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