Electronics and Communication Engineering - Communication Systems
Exercise : Communication Systems - Section 7
- Communication Systems - Section 13
- Communication Systems - Section 25
- Communication Systems - Section 24
- Communication Systems - Section 23
- Communication Systems - Section 22
- Communication Systems - Section 21
- Communication Systems - Section 20
- Communication Systems - Section 19
- Communication Systems - Section 18
- Communication Systems - Section 17
- Communication Systems - Section 16
- Communication Systems - Section 15
- Communication Systems - Section 14
- Communication Systems - Section 1
- Communication Systems - Section 12
- Communication Systems - Section 11
- Communication Systems - Section 10
- Communication Systems - Section 9
- Communication Systems - Section 8
- Communication Systems - Section 7
- Communication Systems - Section 6
- Communication Systems - Section 5
- Communication Systems - Section 4
- Communication Systems - Section 3
- Communication Systems - Section 2
36.
In PCM the amplitude levels are transmitted in a 7 unit code. Sampling frequency is 10 kHz. The bandwidth should be
Answer: Option
Explanation:
Bandwidth = 
(10 x 7) = 35 kHz.
37.
In colour television V and U signals are
Answer: Option
Explanation:
U = 0.493 (B - Y) and V = 0.877 (R - Y).
38.
Which of the following has highest power gain?
Answer: Option
Explanation:
CE connection has good current and voltage gain. Therefore power gain is very high.
39.
Two messages m1, and m2 have a probability of 0.5 each. The entropy is
Answer: Option
Explanation:
Entropy = 0.5 log2 2 + 0.5 log2 2 = 1.
40.
A TV receiver is 40 cm wide and 30 cm high. The EHT supply required is about
Answer: Option
Explanation:
and EHT supply is 1 kV per diagonal inch.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers