Electronics and Communication Engineering - Communication Systems
Exercise : Communication Systems - Section 8
- 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
26.
In cellular telephone each cell is designed to handle
Answer: Option
Explanation:
Each cell is designed for 45 two way conversations.
27.
A UPS contains
Answer: Option
Explanation:
Rectifier is needed to charge the battery. Inverter is needed to feed the loads during power failure.
28.
A transmitter power of 10 W is increased by 30 dB. The effective radiated power is
Answer: Option
Explanation:
or P = 10000 W.
29.
It is desired to couple a coaxial line to a two parallel wire line. It is best to use
Answer: Option
Explanation:
Balun gives 4 : 1 impedance transformation and is suited for coupling a coaxial line to two wire line.
30.
24 telephone channels are frequency division multiplexed using an SSB modulation. Assuming 3 kHz per channel, the required band width is
Answer: Option
Explanation:
Since SSB modulation is used, bandwidth = 24 x 3 = 72 kHz.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers