Question Paper: Television Engineering Question Paper - December 2016 - Electronics and Telecom Engineering (Semester 6) - Mumbai University (MU)
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Television Engineering - December 2016

MU Electronics and Telecom Engineering (Semester 6)

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) An odd number of lines are chosen in television system for scanning . Justify. 5 marks

1(b) What is compatibility in TV transmission? What are the requirements to be met to make the colour system fully compatible? 5 marks

1(c) Compare Plasma,
LED and LCD displays.
5 marks

1(d) Explain in brief Direct-to-home TV(DTH). 5 marks

2(a) Explain with tje help of suitable sketch, how is video signal developed in a vidicon camera tube? How is different from other camera tubes and what are its special applications? 5 marks

2(b) Draw the block diagram of PAL TV receiver and explain the working and functions of each block. 5 marks

3(a) What is the difference between component video and composite video? Give the main features of CCIR Rec. 601 for digital video standards 5 marks

3(b) Describe new TV standards and compatibility adopted for HDTV. Explain MUSE system and its advantages. 5 marks

4(a) Sketch composite video signal waveform for at least three successive line and indicate:
i) Extreme white level
ii) Blanking level
iii) Pedestal height
iv) Syne pulse level
5 marks

4(b) Only (R-Y) and (B-Y) colour difference signals along with luminance signal is chosen for transmission. Justify the statement. Also explain why it is necessary to weight down the chrominance signal. 5 marks

4(c) What are the technical advantages of using digital technology in television systems? 5 marks

5(a) What is the need of MAC encoding? Explain the general fromat of MAC signals for transmitting colour TV signals. 5 marks

5(b) Explain the following terms of Digital video.
i) Digitization
ii) Viewing distance and angle
Aspect ratio
5 marks

6(a) Explain Interlace Scanning? Calculate the percentage of interlace error when the second field is delayed by 16 microseconds, Restrace time may be assumed to be neligible. 5 marks

6(b) Write a note on Wide Dimension High Definition Television and its standards. 5 marks

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