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Q.

How many carrier frequencies are used in BFSK?

A

2

B

1

D

none of the above

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Similar Questions

MCQ

1.

________ uses two carriers, one in-phase and the other quadrature

A

ASK

B

PSK

C

FSK

D

QAM

Discussion

MCQ

2.

In _____ transmission, the frequency of the carrier signal is modulated to follow the changing voltage level (amplitude) of the modulating signal. The peak amplitude and phase of the carrier signal remain constant, but as the amplitude of the information signal changes, the frequency of the carrier changes correspondingly.

A

AM

B

PM

C

FM

D

none of the above

Discussion

MCQ

3.

The minimum bandwidth of Manchester and differential Manchester is ____ that of NRZ.

A

the same as

B

twice

C

thrice

D

none of the above

Discussion

MCQ

4.

In ______ schemes, the voltages are on the both sides of the time axis. For example, the voltage level for 0 can be positive and the voltage level for 1 can be negative.

A

polar

B

bipolar

C

unipolar

D

all of the above

Discussion

MCQ

5.

How many carrier frequencies are used in BPSK?

A

2

B

1

D

none of the above

Discussion

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