1.  broadband FM

2.  SSB with carrier

3.  DSB-SC

4.  SSB without carrier

4
Correct Answer :

SSB with carrier


Explanation :
No Explanation available for this question

1.  the input to the modulator is essentially constant

2.    the modulator is going through slope overload

3.   the accumulator is in saturation

4.  the speech signal is being sampled at the Nyquist rate

4
Correct Answer :

the input to the modulator is essentially constant


Explanation :
No Explanation available for this question

1.  equal to its group velocity

2.   less than the velocity of light in free space

3.  equal to the velocity of light in free space

4.  greater than the velocity of light in free space

4
Correct Answer :

greater than the velocity of light in free space


Explanation :
No Explanation available for this question

1.  4 mW

2.  1 mW

3.  7 mW

4.  (1/4) mW

4
Correct Answer :

4 mW


Explanation :
No Explanation available for this question

1.  25

2.  50

3.  100

4.  5000

4
Correct Answer :

50


Explanation :
No Explanation available for this question

1.  (1 - 2e-t + e-2t) u (t)

2.  (1 + 2e-t - e-2t) u (t)

3.  (0.5 + e-t+ 1.5e-2t) u (t)

4.  (0.5 + 2e-t+ 2e-2t) u (t)

4
Correct Answer :

(1 - 2e-t + e-2t) u (t)


Explanation :
No Explanation available for this question

1.  S1 is FALSE and S2 is TRUE

2.   both S1 and S2 are TRUE

3.  S1 is TRUE and S2 is FALSE

4.   both S1 and S2 are FALSE

4
Correct Answer :

both S1 and S2 are FALSE


Explanation :
No Explanation available for this question

1.  S1 is FALSE and S2 is TRUE

2.  both S1 and S2 are TRUE

3.  S1 is TRUE and S2 is FALSE

4.  both S1 and S2 are FALSE

4
Correct Answer :

S1 is FALSE and S2 is TRUE


Explanation :
No Explanation available for this question

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