Electronics and Communication Engineering - Communication Systems

6.
Which of the following cannot be used to demodulate SSB?
Complete phase shift generator
Product detector
Diode balanced modulator
Bipolar transistor balanced modulator
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
The power required to produce a gain of 10 dB over 4 W of original power is __________ watt.
80
40
0.4
8
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Noise figure is defined as
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
The inductance of connecting leads can be a source of
low frequency parasitics
high frequency parasitics
carrier frequency parasitics
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
For F2 layer the critical frequency is about
500 MHz
100 MHz
25 MHz
10 MHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.