
(c) The capacitor voltages are both initially zero, and the input is a step voltage of 12 V
applied at t ¼0. Solve the difference equa tions recursively, and plot the discrete-time
outputs in the output vector y
A
(n) ¼[y
1, A
(n)y
2, A
(n)y
3, A
(n)]
T
.
(d) The initial capacitor voltages are v
C
1
(0) ¼ 1 V v
C
2
(0) ¼ 0 V, and the input v
i
(t) ¼0V,
t 0. Solve the difference equations recursively and plot the discrete-time outputs in the
output vector
y
A
(n) ¼ [ y
1,A
(n)y
2, A
(n)y
3, A
(n)]
T
.
3.22 For the circuit in Example 3.8 described by Equations 3.97 and 3.98
(a) Use the technique presented in Section 2.3 for converting two first-order differential
equations into ...