Signals and Systems - Electrical Engineering

342 CHAPTER 5: Frequency Analysis: The Fourier Transform

0510

0

0.2

0.4

0.6

0.8

1

|H

(j

Ω

)|

Ω

Magnitude Response

0510

− 50

0

50

∠

H

(j

Ω

)

Ω

σ

Phase Response

− 1 −0.5 0 0.5

− 1

0

1

jΩ

Poles/Zeros

(a)

0510

0

0.5

1

|H

(j

Ω

)|

Ω

Magnitude Response

0510

0

50

100

150

∠

H

(j

Ω

)

Ω

Phase Response

− 1 −0.5^0 0.5

− 1

0

1

σ

jΩ

Poles/Zeros

(b)

FIGURE 5.11

Frequency response and poles/zeros location of (a) band-pass and (b) high-pass RLC filters.