disp('chapter 5 ex5.8')
disp('given')
disp('Using the gain-bandwidth product estimate upper cut off frequencies')
disp('741 op-amp')
disp('fu=800kHz and Av=1')
fu=800000
Av=1
disp('f2=fu/Av')
f2=fu/Av
disp('Hz',f2)
disp('for unity gain R1=R2')
disp('Av=(R1+R2)/R1')
R1=R2
Av=(R1+R2)/R1
disp(Av)
disp('f2=fu/Av')
f2=fu/Av
disp('Hz',f2)