A sinusoidal signal with a frequency of 100 Hz is used to modulate a carrier signal with a frequency of 0.5 kHz by DSB amplitude modulation. Which of the images below represents the spectrum of the modulated signal? Select one: O a. O b. magnitude 160 140 120 100 80 60 40 20 0 500 1000 1500 2000 2500 E frequency (Hz) O d. 200 180 160 140 120 100 80 60 magnitude 200 180 40 20 0 0 500 1000 1500 frequency (Hz) 2000 O c. 2500 magnitude magnitude 250 200 150 100 50 0 0 200 180 160 140 120 100 80 60 40 20 0 0 500 500 1000 1500 frequency (Hz) 1000 1500 frequency (Hz) 2000 2000 2500 2500
A sinusoidal signal with a frequency of 100 Hz is used to modulate a carrier signal with a frequency of 0.5 kHz by DSB amplitude modulation. Which of the images below represents the spectrum of the modulated signal? Select one: O a. O b. magnitude 160 140 120 100 80 60 40 20 0 500 1000 1500 2000 2500 E frequency (Hz) O d. 200 180 160 140 120 100 80 60 magnitude 200 180 40 20 0 0 500 1000 1500 frequency (Hz) 2000 O c. 2500 magnitude magnitude 250 200 150 100 50 0 0 200 180 160 140 120 100 80 60 40 20 0 0 500 500 1000 1500 frequency (Hz) 1000 1500 frequency (Hz) 2000 2000 2500 2500
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:A sinusoidal signal with a frequency of 100 Hz is used to modulate a carrier signal with a frequency of 0.5 kHz by
DSB amplitude modulation. Which of the images below represents the spectrum of the modulated signal?
Select one:
O a.
O b.
magnitude
magnitude
200
180
160
140
120
100
80
60
40
20
0
200
180
160
140
120
100
80
60
40
20
0
0
0
500
500
1000
1500
frequency (Hz)
1000
1500
frequency (Hz)
2000
2000
2500
2500
O c.
d.
magnitude
magnitude
250
200
150
100
50
0
200
180
160
0
140
120
100
80
60
40
20
8°
0
0
500
500
1000
1500
frequency (Hz)
1000
1500
frequency (Hz)
2000
2000
2500
2500
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