B.TECH - Semester 8 radar and television engineering Question Paper 2008 (may)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- If the Radar operates at a frequency of 5 GHz , then find the Doppler frequency of an aircraft moving with a speed of 100 KMph .
- Explain the principle of CCD camera tube.
- List out the objectives of MPEG-4.
- Discuss the advantages of LCD panels.
- Explain flicker in TV systems.
- Write the principle of operation of SECAM colour systems.
- Explain the basic AGC circuit.
- What are marker beacons and explain different types of marker beacons?
- Discuss the role of EHT in TV circuits.
- In TV system used in India, the total number of scanning tines per frame is 625 and the lines lost per fields is 20 . Find vertical and horizontal resolutions. ( $10 \times 4=40$ Marks) Answer any two questions from each module Each question carries...
- Explain the salient features of radar receivers and discuss how the local oscillator noise is removed.
- What are modulators, explain any two-pulse modulator schemes used in radar systems?
- With a block diagram explain frequency modulated CW (FM-CW radar.
- With block diagram explain NTSC receiver.
- Draw the block diagram of PAL coder and explain its working.
- Describe the working of delta gun colour picture tube.
- Draw and explain the DVB-S system and compare it with DVB-S2 system.
- Draw and explain MPEG encoder and decoder.
- Explain the working of a plasma display and list its advantages and disadvantages. ( $\mathbf{6} \boldsymbol{\times} \mathbf{1 0} \boldsymbol{=} \mathbf{6 0}$ Marks)