Electronics and Communication Engineering - Communication Systems
Exercise : Communication Systems - Section 1
- 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
46.
Which of the following is taken as reference antenna for directive gain?
Answer: Option
Explanation:
Isotropic antenna is one which radiates equally in all directions. It is a standard reference antenna.
47.
Push pull amplifier is
Answer: Option
Explanation:
Push pull is a power amplifier.
48.
When the channel is noisy, producing a conditional probability of error p = 0.5; the channel capacity and entropy function would be, respectively,
Answer: Option
Explanation:
.
49.
In CCIR-B system, the time between start of one H syn. pulse and next is
Answer: Option
Explanation:
The frequency of H pulses is 15625 Hz.
Hence 
.
50.
Counterpoise is used in coils having
Answer: Option
Explanation:
Counterpoise is a horizontally buried wire used to provide low grounding resistance in high resistivity soils.
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