clear all
sis1=tf([1],[10^-8 5*10^-5 1])
sis2=tf([1],[10^-8 10^-4 1])
sis3=tf([1],[10^-8 2*10^-4 1])
sis4=tf([1],[10^-8 3*10^-4 1])
sis5=tf([1],[10^-8 5*10^-4 1])
figure(1)
bode(sis1,sis2,sis3,sis4,sis5)
legend('50 Ohm','100 Ohm','200 Ohm','300 Ohm','500 Ohm')
figure(2)
pzmap(sis1,sis2,sis3,sis4,sis5)
legend('50 Ohm','100 Ohm','200 Ohm','300 Ohm','500 Ohm')
grid on
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