Exam Details
| Subject | Principles of Communication Engineering | |
| Paper | ||
| Exam / Course | Diploma In Electronics And Communication Engineering (DECVI)/ Advanced Level Certificate Course In Electronics And Communication Engineering (ACEVI)/ | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
1. Choose the correct answer.
Which is the function of a radio receiver?
Modulates an RF signal
Radiates an RF signal
Demodulates an RF signal
Generates an RF signal
Which type of wave propagation is useful for communication at low frequencies?
Ground wave
Sky wave
Direct wave
Skip wave
A line becomes distortionless if
it is properly matched
it is terminated into Zo
LG CR
LR GC
Characteristic impedance of a coaxial cable is
0 ohm
50 ohm
377 ohm
infinity
A diode can be used as
an oscillator
an amplifier
a detector
a modulator
Communication is a process of
keeping in touch
broadcasting
exchanging information
transmitting information
The bandwidth of Frequency Modulation is
fm
f+2fm
2f+fm
2. Explain the principle of operation of an FM superheterodyne receiver with a neatly labelled block. diagram.
Define Sensitivity, Selectivity and Fidelity of an AM radio receiver.
What is meant by Automatic Gain Control
A lossless transmission line is terminated in a load which reflects a part of the incident power. The measured. VSWR is 2. Find the percentage of the power that is reflected back.
Why is double stub matching preferred. over single stub matching?
Explain how ducts can be used. for microwave propagation.
Define critical frequency.
What do you mean by Polarization?
Mention the applications of the following antennas:
Horn antenna
Dish antenna
7. Write short notes on any four of the following:
Slope Detector
Skip Distance
Duct Propagation
PLL
Types of Electronic Communication
Which is the function of a radio receiver?
Modulates an RF signal
Radiates an RF signal
Demodulates an RF signal
Generates an RF signal
Which type of wave propagation is useful for communication at low frequencies?
Ground wave
Sky wave
Direct wave
Skip wave
A line becomes distortionless if
it is properly matched
it is terminated into Zo
LG CR
LR GC
Characteristic impedance of a coaxial cable is
0 ohm
50 ohm
377 ohm
infinity
A diode can be used as
an oscillator
an amplifier
a detector
a modulator
Communication is a process of
keeping in touch
broadcasting
exchanging information
transmitting information
The bandwidth of Frequency Modulation is
fm
f+2fm
2f+fm
2. Explain the principle of operation of an FM superheterodyne receiver with a neatly labelled block. diagram.
Define Sensitivity, Selectivity and Fidelity of an AM radio receiver.
What is meant by Automatic Gain Control
A lossless transmission line is terminated in a load which reflects a part of the incident power. The measured. VSWR is 2. Find the percentage of the power that is reflected back.
Why is double stub matching preferred. over single stub matching?
Explain how ducts can be used. for microwave propagation.
Define critical frequency.
What do you mean by Polarization?
Mention the applications of the following antennas:
Horn antenna
Dish antenna
7. Write short notes on any four of the following:
Slope Detector
Skip Distance
Duct Propagation
PLL
Types of Electronic Communication
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
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Subjects
- Advance Microprocessor And Architecture
- Analog And Mixed Mode Vlsi Design
- Analog Communication
- Analog Electronic Circuits
- Analog Integrated Circuits Design
- Antennas And Propagation
- Applied Electronics
- Audio and Video Engineering
- Basic Telematics
- Basics Of Electronics Engineering
- Bio Informatics
- Circuits and Networks
- Computer Architecture
- Computer Communication Networks
- Control Engineering
- Data Communication And Network
- Data Structures
- Device Modelling For Circuit Simulation
- Digital Communication
- Digital Electronics
- Digital Signal Processing
- Digital System Design
- Dip- ECE PCB Design & Testing
- Electromagnetic Field Theory
- Electronic Measurement And Instrumentations
- Electronic Measurement and Instruments
- Electronic Product Design
- Electronic Switching Circuits
- Embedded System Design
- Industrial Electronics
- Information Theory And Coding
- Linear Integrated Circuits
- Maintenance Of Electronic Equipment
- Micro Controller
- Micro Controllers
- Microelectronics Technology
- Microprocessor
- Microprocessor And Its Applications
- Microwave And Radar Engineering
- Modeling And Testing Of Digital Systems
- Multirate Systems
- Nano - Electronics
- Optical Fiber Communication
- Opto Electronics Communication Systems
- Power Electronics
- Principles of Communication Engineering
- Quantum Communication
- Rf Circuits
- Satellite And Tv Engineering
- Signal Compression
- Signals And Systems
- Technical English
- Television Engineering
- Wireless Communication