Electronics and Communication Engineering - Communication Systems

41.
Which of the following circuits cannot be demodulate SSB?
Product detector
Balanced modulator
Phase discriminator
BFO
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
Figure shows the arrangement of
FM
PM
AM-DSB
AM-SSB
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
During day time ionosphere can be considered to be consisting of
D, E, F1 and F2 layers
D, E, F1 layers
D, E, F2 layers
D and E layers
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
Baudot code is a six bit code.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
PWM can be generated
by a free running multivibrator
by integrating the signal
by a monostable multivibrator
by differentiating pulse position modulation
Answer: Option
Explanation:
No answer description is available. Let's discuss.