MU Electronics and Telecom Engineering (Semester 6)
Television Engineering
May 2012
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) What is Chromaticity diagram? Explain it.
5 M
1 (b) Explain additive and subtractive colour mixing.
5 M
1 (c) What is colour burst? What is the importance of back porch in CVS?
5 M
1 (d) List types of AGC and only describe the basic operation of AGC used in TV receiver.
5 M

2 (a) Explain Interlaced Scanning with the help of a neat diagram also explain how it is better than Sequential scanning.
10 M
2 (b) Draw cross sectional view of an Image Orthicon tube and explain how it develops video signal when light focussed on its plate. List advantages of it.
10 M

3 (a) Draw the composite video signal for three horizontal lines and explain the various components in details.
10 M
3 (b) Draw near block diagram of an NTSC coder and decoder and explain thefunctioning.
10 M

4 (a) Compare Delta gun, PIL and Trinitron colour picture tube.
10 M
4 (b) Give Reasons:-
(i) Why (G-Y) is not selected for transmission?
(ii) All TV standards have odd no. of lines
10 M

5 (a) Draw and explain block diagram of TV transmitter system.
10 M
5 (b) Draw and explain a neat schematic of cable TV network.
10 M

6 (a) What is EIA test pattern? Draw and explain EIA pattern with its utility.
10 M
6 (b) Draw the neat block diagram of PAL coder and decoder and explain functioning of it.
10 M

7 (a) Frequency interleaving.
5 M
7 (b) CCTV.
5 M
7 (c) RTSP.
5 M
7 (d) Multicasting.
5 M



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