7/31/2019 Chapter 2 Freq Response -1- How to Plot Bode Plot
1/10
PLOT BODE
Given
Convert the transfer function to standard
form as:
102200
)(
jj
jH
101
21
10)(
jj
jH
7/31/2019 Chapter 2 Freq Response -1- How to Plot Bode Plot
2/10
101
1
21
110)(
jjjH
Refer to the table , plot the response :
7/31/2019 Chapter 2 Freq Response -1- How to Plot Bode Plot
3/10
1 10 100 1000
20
40
-20
-40
0db
20log10=20db
1/(1+j/2)
1/(1+j/10)
j
7/31/2019 Chapter 2 Freq Response -1- How to Plot Bode Plot
4/10
1 10 100 1000
0
-450
450
-900
900
K
1/(1+j/2) 1/(1+j/10)
j
7/31/2019 Chapter 2 Freq Response -1- How to Plot Bode Plot
5/10
Exercise 1
10
25
)(
jj
j
H
7/31/2019 Chapter 2 Freq Response -1- How to Plot Bode Plot
6/10
Solution
7/31/2019 Chapter 2 Freq Response -1- How to Plot Bode Plot
7/10
7/31/2019 Chapter 2 Freq Response -1- How to Plot Bode Plot
8/10
Exercise 2
10
25
)(
jj
j
H
7/31/2019 Chapter 2 Freq Response -1- How to Plot Bode Plot
9/10
Solution
7/31/2019 Chapter 2 Freq Response -1- How to Plot Bode Plot
10/10