Deck 13: Module B More on Modulation

Question 1

BPSK uses ________ phase levels.

A)2
B)4
C)8
D)15

Answer 1

A

Question 2

BPSK modulation uses two ________.

A)amplitudes
B)frequencies
C)phases
D)none of the above

Answer 2

C

Question 3

QAM uses ________.

A)amplitude modulation
B)phase modulation
C)both A and B
D)neither A nor B

Answer 3

C

Question 4

QPSK sends ________ bit(s)per clock cycle.

A)1
B)2
C)4
D)16

Question 5

Phase modulation uses two ________ levels.

A)loudness
B)frequency
C)both A and B
D)neither A nor B

Question 6

QPSK modulation uses ________ phases.

A)2
B)4
C)8
D)15

Question 7

Frequency modulation uses two loudness levels.

Question 8

QAM uses ________ levels.

A)loudness
B)frequency
C)both A and B
D)neither A nor B

Question 9

In QAM,if you have four possible amplitudes,you have ________ possible states.

A)4
B)8
C)16
D)none of the above

Question 10

Amplitude modulation uses two ________ levels.

A)loudness
B)frequency
C)both A and B

Question 11

In QAM,if you have eight possible amplitudes,how many bits can you send per clock cycle?

A)3
B)6
C)8
D)16

Question 12

In QAM,if you have eight possible amplitudes,you have ________ possible states.

A)4
B)8
C)16
D)none of the above