Exam Details
| Subject | Microwave And Radar Engineering | |
| Paper | ||
| Exam / Course | BTCVI / BTECVI / BTELVI | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2015 | |
| City, State | new delhi, |
Question Paper
1. Derive the electric and magnetic field equations in wave guides for TEmn mode.
An air-filled rectangular waveguide of inside dimensions 7 x 3·5 cm operates in the dominant TE10 mode.
Find the cut-off frequency.
Determine the phase velocity of the wave in the guide at a frequency of 3·5 GHz.
Determine the guided wavelength at the same frequency.
Explain in brief the various limitations of conventional active devices at microwave frequency.
3. Explain the construction and field pattern for microstripline.
4. With the help of a neat block diagram, explain MT RADAR.
5. Draw a neat schematic diagram of reflex klystron oscillator and explain its principle of operation. Derive an expression for its exit velocity.
6. Explain the procedure for measuring microwave frequency and wavelength with a neat block diagram.
7. Explain the principle of GUNN diode as an oscillator and as an amplifier. Obtain the condition for negative resistance.
8. What is directional coupler Explain its types and also explain the coupling factor and directivity of a directional coupler, with the help of neat diagrams.
9. Explain the different types of displays used in Radar systems.
10.(a) What is the difference between isolator and circulator?
With a neat schematic diagram of a four-port circulator, explain its principle of operation.
An air-filled rectangular waveguide of inside dimensions 7 x 3·5 cm operates in the dominant TE10 mode.
Find the cut-off frequency.
Determine the phase velocity of the wave in the guide at a frequency of 3·5 GHz.
Determine the guided wavelength at the same frequency.
Explain in brief the various limitations of conventional active devices at microwave frequency.
3. Explain the construction and field pattern for microstripline.
4. With the help of a neat block diagram, explain MT RADAR.
5. Draw a neat schematic diagram of reflex klystron oscillator and explain its principle of operation. Derive an expression for its exit velocity.
6. Explain the procedure for measuring microwave frequency and wavelength with a neat block diagram.
7. Explain the principle of GUNN diode as an oscillator and as an amplifier. Obtain the condition for negative resistance.
8. What is directional coupler Explain its types and also explain the coupling factor and directivity of a directional coupler, with the help of neat diagrams.
9. Explain the different types of displays used in Radar systems.
10.(a) What is the difference between isolator and circulator?
With a neat schematic diagram of a four-port circulator, explain its principle of operation.
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)
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- 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
- B10-Informatics
- Basics Of Electronics Engineering
- Computer Architecture
- Computer Communication Networks
- Control Engineering
- Data Communication And Network
- Device Modelling For Circuit Simulation
- Digital Electronics
- Digital Signal Processing
- Digital System Design
- Electromagnetic Field Theory
- Electronic Measurement and Inst
- Electronic Switching Circuits
- Embedded System Design
- Information Theory And Coding
- Linear Integrated Circuits
- Microcontrollers
- Microprocessor And Its Applications
- Microwave And Radar Engineering
- Multirate Systems
- Optical Fiber Communication
- Power Electronics
- Satellite And Tv Engineering
- Signal And Systems
- Wireless Communication