9- In AM DSB/SC, the carrier is suppressed in order to: a) simplify the receiver design b) reduce the transmitter complexity c) increase the transmission efficiency
9- In AM DSB/SC, the carrier is suppressed in order to: a) simplify the receiver design b) reduce the transmitter complexity c) increase the transmission efficiency
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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![9- In AM DSB/SC, the carrier is suppressed in order to:
a) simplify the receiver design
b) reduce the transmitter complexity
c) increase the transmission efficiency
10-If the transmission channel is crowded, the preferable modulation to use is:
a) AM-SSB
b) AM-VSB
c) AM-DSB
d) FM
11- In AM-VSB, the vestige of the lower side band is important in order to:
a) include the carrier wave to simplify the receiver design
b) include the d.c. component of the message signal
c) reduce the total bandwidth comparing with AM-DSB
d) all of the above, and to increase transmission efficiency
12-Using Smith chart, if a piece of T.L. with a length of (lambda/4) is terminated with open-circuit,
then its input impedance will be:
a) open circuit
b) short circuit
c) inductive reactance
d) capacitive reactance
e) complex impedance](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc3f9b52b-2b97-410e-92ef-cabff95fb718%2F4fa869be-a185-45b1-8cdd-97ab7f40391e%2Fnh1kxlh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9- In AM DSB/SC, the carrier is suppressed in order to:
a) simplify the receiver design
b) reduce the transmitter complexity
c) increase the transmission efficiency
10-If the transmission channel is crowded, the preferable modulation to use is:
a) AM-SSB
b) AM-VSB
c) AM-DSB
d) FM
11- In AM-VSB, the vestige of the lower side band is important in order to:
a) include the carrier wave to simplify the receiver design
b) include the d.c. component of the message signal
c) reduce the total bandwidth comparing with AM-DSB
d) all of the above, and to increase transmission efficiency
12-Using Smith chart, if a piece of T.L. with a length of (lambda/4) is terminated with open-circuit,
then its input impedance will be:
a) open circuit
b) short circuit
c) inductive reactance
d) capacitive reactance
e) complex impedance
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