International University
Principles of EE II
School of Electrical Engineering
EE056IU
Principles of EE II Laboratory
Lab 5
Steady State Frequency Response
Using Bode Plots
Student A
Student B
Full name:
Full name:
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Student number:
Student number:
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1 | Principles of EE II
International University
Principles of EE II
School of Electrical Engineering
EE056IU
Procedure
Student A
Student B
Circuit 1
Figure 1
R1  1000, R2  10000, R3  1000, C  0.1 F , vS  t   5sin  2 ft  volt
Construct the circuit in Figure 1 and measure
Perform an AC sweeping simulation with
the ratio of the output voltage to the input
frequency range from 50 Hz to 20 KHz,
voltage and the phase difference between
measure the ratio of the output voltage to the
them and finish Table 1.
input voltage and the phase difference
between them. Filling your part in Table 1.
Plot the Bode diagram for both simulation and experiment.
2 | Principles of EE II
International University
Principles of EE II
School of Electrical Engineering
EE056IU
Table 1
Student A
Student A
Student B
Student B
Amplitude
Phase
Amplitude
Phase
50
436.24 m
14.475
60
447.24 m
17.845
80
464.08 m
21.768
100
489.41 m
26.164
160
580.09 m
35.456
400
1.036
45.578
600
1.421
72.262
Frequency (Hz)
95
800
950
1000
1600
4000
6000
8000
9500
10000
20000
3 | Principles of EE II
International University
Principles of EE II
School of Electrical Engineering
EE056IU
Circuit 2
Figure 2
R1  1000, R2  2000, C1  C2  0.1 F , vS  t   5sin  2 ft  volt
Construct the circuit in Figure 2 and measure Perform an AC sweeping simulation with
the ratio of the output voltage to the input frequency range from 50 Hz to 100 KHz,
voltage and the phase difference between them measure the ratio of the output voltage to the
and finish Table 2.
input voltage and the phase difference between
them. Filling your part in Table 2.
Plot the Bode diagram for both simulation and experiment.
4 | Principles of EE II
International University
Principles of EE II
School of Electrical Engineering
EE056IU
Table 2
Frequency (Hz)
50
60
80
100
270
460
600
800
1000
2700
4600
6000
8000
10000
27000
46000
80000
100000
5 | Principles of EE II
Student A
Student A
Student B
Student B
Amplitude
Phase
Amplitude
Phase
International University
Principles of EE II
School of Electrical Engineering
EE056IU
Circuit 3
Figure 3
6 | Principles of EE II
International University
Principles of EE II
School of Electrical Engineering
EE056IU
Construct the circuit in Figure 3 and measure the ratio of the output voltage to the input voltage
and the phase difference between them and finish Table 3.
The frequency range should be from 100 Hz The frequency range should be from 100
to 100 KHz. Use an R so that Rg + R + RL is Hz to 50 KHz. Use Rg + R + RL = 200 Ω, L =
around 200 Ω (Rg is the internal impedance of 15 mH, and C = 1 µF.
the function generator, and RL is the
resistance of the inductor), L = 15mH, and C 60+R+RL=200
= 1 µF.
RL=
Table 3
Student A
Frequency (Hz)
100
160
300
400
500
600
800
1000
1600
3000
4000
5000
6000
8000
10000
16000
30000
40000
7 | Principles of EE II
Amplitude
Student B
Phase
Amplitude
Phase
International University
Principles of EE II
School of Electrical Engineering
EE056IU
50000
60000
80000
100000
8 | Principles of EE II
International University
Principles of EE II
School of Electrical Engineering
EE056IU
9 | Principles of EE II