disp('chapter 8 ex8.4')
disp('given')
disp('Determine required minimum slew rate for circuit designed in example 8.3')
disp('output voltage Vo=4volt')
Vo=4
disp(' change in time t=1*10^(-3)')
t=1*10^(-3)
disp('let C1=.1*10^(-6)F')    //(standard value)
C1=.1*10^(-6)
disp('R1=12.5kohm')
R1=12500
disp('Smin=Vo/(t/10)')
Smin=Vo/(t/10)
disp('V/us',Smin)
disp('fc=1/(2*%pi*R1*C1)')
fc=1/(2*%pi*R1*C1)
disp('Hz',fc)