Time-Domain Analysis and z Transform - Introduction to Digital Signal Processing and Filter Design - page 103

0.5 − 0.5

1.5

X(z)

z − 1 z − 1

Σ Σ Σ Y 3 (z)

1.5

z − 1

− 0.6

1.2 0.3

− 0.1

Figure 2.14 Problem 2.66.

0.4

z − 1

0.5

X(z) Σ Σ Σ Y(z)

z − 1

z − 1

0.3 − 0.2

0.2

− 0.1

z − 1 z − 1

0.1

0.4

−

Figure 2.15 Problem 2.67.

X(n) Σ

z − 1

1.0

− 0.1

z − 1

Σ

Y(n)

0.02 0.4

Figure 2.16 Problem 2.68.

2.67 Repeat Problem 2.66 for the circuit given in Figure 2.15.

2.68 Find the unit pulse response of the LTI-DT system shown in Figure 2.16.

2.69 Find the unit pulse response h(n) of the discrete-time system shown in

Figure 2.17.