Electronics and Communication Engineering - Communication Systems

36.
If the radiated power of AM transmitter is 10 kW, the power in the carrier for modulation index of 0.6 is nearly.
8.24 kW
8.47 kW
9.26 kW
9.6 kW
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
Satellite communication uses frequencies in the range of
3 to 6 GHz
3-10 MHZ
10-50 GHz
100-200 GHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
In a channel voice coder, the outputs of sixteen 20 Hz low pass filters are sampled, multiplexed and A/D converted. If sampling is at 40 samples/second and 3 bits/sample represents each voltage sample, the bit rate is about
1.9 k bits/sec
0.95 k bits/sec
3.8 k bits/sec
7.6 k bits/sec
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
Super high frequency means more than 3000 MHz.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
Impedance inversion may be obtained with
half wave line
a short circuited stub
complex impedance Z connected in series with line
quarter wave line
Answer: Option
Explanation:
No answer description is available. Let's discuss.