Electronics and Communication Engineering - Communication Systems
Exercise : Communication Systems - Section 3
- 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
6.
Which camera tube has highest dark current?
Answer: Option
Explanation:
Dark current is the small signal current even when there is no illumination on the face plate of camera tube.
7.
If a sound wave has a frequency of 50 Hz, the wavelength is
Answer: Option
Explanation:
8.
Skin depth at 1000 MHz in comparison with that at 500 MHz is
2
2
1/2
Answer: Option
Explanation:
Skin depth decreases as square root increase in frequency.
9.
Consider the following
- Generation of SSB signals
- Design of minimum phase type filters
- Representation of band pass signals
Answer: Option
Explanation:
Hilbert transform is used in all the applications.
10.
The dc voltage on plate modulated class C amplifier is 8 kV. If the peak modulating voltage is 4 kV, the peak RF voltage delivered to load is
Answer: Option
Explanation:
Peak RF voltage delivered to load = 2 (8 + 4) = 24 kV.
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