Exam Details
| Subject | Principles of Communication Engineering | |
| Paper | ||
| Exam / Course | Diploma -VIEP-Computer Science and Engineering(DCSVI)/Advanced Level O Certificate Course In Cse (ACCSVI) B.Tech. Computer Science And Engineering (BT | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2015 | |
| City, State | new delhi, |
Question Paper
1. Choose the correct answer.
The type of modulation used for sound in TV transmission is
AM
FM
PCM
PWM
A pre-emphasis circuit is
low pass filter
high pass filter
phase shifter
band pass filter
A field can exist, if it satisfies
Gauss' law
Faraday's law
Coulomb's law
All Maxwell equations
Simultaneous two-way communication IS known as
Full duplex
Simplex
Half duplex
Bi-communication
Tropospheric scatter is used with frequencies in the following range
HF
UHF
VLF
VHF
An antenna that transmits or receives equally well in all directions is
omnidirectional
bidirectional
unidirectional
quasidirectional
Fidelity of a radio receiver depends on
RF amplifier
IF amplifier
Audio amplifier
Detector
Draw the block diagram of a communication system and explain the functions of each block.
What do you understand by electromagnetic spectrum and its various bands?
Describe the working of FM slope detector.
Differentiate between· single and double impedance matching stubs.
Define the terms critical frequency and skip distance in detail.
Explain the phenomena of duct propagation.
What is ground wave propagation?
What functions are performed by an antenna What do you mean by antenna reciprocity?
Describe various types of losses in transmission lines.
6. Explain the structure, radiation pattern and applications of any one of the following antennas:
Yagi-Uda Antenna
Microwave Horn Antenna
What is fading and how does it affect the performance of a communication system?
What do you understand by space wave propagation?
8. Write short notes on any four of the following:
Polarization
Modulation
Virtual Height
Quarter Wave Transformer
Maximum Deviation Ratio
Antenna Gain
The type of modulation used for sound in TV transmission is
AM
FM
PCM
PWM
A pre-emphasis circuit is
low pass filter
high pass filter
phase shifter
band pass filter
A field can exist, if it satisfies
Gauss' law
Faraday's law
Coulomb's law
All Maxwell equations
Simultaneous two-way communication IS known as
Full duplex
Simplex
Half duplex
Bi-communication
Tropospheric scatter is used with frequencies in the following range
HF
UHF
VLF
VHF
An antenna that transmits or receives equally well in all directions is
omnidirectional
bidirectional
unidirectional
quasidirectional
Fidelity of a radio receiver depends on
RF amplifier
IF amplifier
Audio amplifier
Detector
Draw the block diagram of a communication system and explain the functions of each block.
What do you understand by electromagnetic spectrum and its various bands?
Describe the working of FM slope detector.
Differentiate between· single and double impedance matching stubs.
Define the terms critical frequency and skip distance in detail.
Explain the phenomena of duct propagation.
What is ground wave propagation?
What functions are performed by an antenna What do you mean by antenna reciprocity?
Describe various types of losses in transmission lines.
6. Explain the structure, radiation pattern and applications of any one of the following antennas:
Yagi-Uda Antenna
Microwave Horn Antenna
What is fading and how does it affect the performance of a communication system?
What do you understand by space wave propagation?
8. Write short notes on any four of the following:
Polarization
Modulation
Virtual Height
Quarter Wave Transformer
Maximum Deviation Ratio
Antenna Gain
Other Question Papers
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