Electronics and Communication Engineering - Communication Systems

11.
Which of the following is not advantage of FM over AM?
Noise immunity
Capture effect
Fidelity
Spluttering effect
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
In single tone FM discriminator (S0/N0) is
proportional to deviation
proportional to cube of deviation
proportional to square of deviation
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
In a PCM the amplitude levels are transmitted in a 7 unit code. The no. of levels is
18
14
128
64
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
In high power AM transmission modulation is done at
IF stage
RF power
buffer stage
oscillator stage
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
Which one of the following gives maximum probability of error?
ASK
DPSK
FSK
PSK
Answer: Option
Explanation:
No answer description is available. Let's discuss.