Electronics and Communication Engineering - Communication Systems - Discussion

Discussion Forum : Communication Systems - Section 4 (Q.No. 44)
44.
A broadcast radio transmitter radiates 5 kW when the modulation percentage is 60. How much of this is carrier power?
6.66 kW
5 kW
4.9 kW
4.23 kW
Answer: Option
Explanation:

m = 1,

Discussion:
5 comments Page 1 of 1.

Maloy said:   5 years ago
Pt = Pc ( 1+m^2/2),
5000 = Pc ( 1+.60^2/2),
= 4.23Kw.

Jeeva said:   7 years ago
The value of m is 0.6 that is 60 percent.

Abrahamrufus said:   7 years ago
@Vishal.

How did you get 1.18?

Vishal said:   8 years ago
Pt=Pc(1+m^2/2),
5000=Pc(1+m^2/2),
Pc=5000/1.18=4.23 W.

Rehnu said:   8 years ago
The obtained answer here is 0.66. How is option D is answer? Please help me figure it out.

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