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Television Engineering Question Paper - Dec 18 - Electronics And Telecomm (Semester 6) - Mumbai University (MU)
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Television Engineering - Dec 18

Electronics And Telecomm (Semester 6)

Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.

Q1

a) Explain frame rate and refresh rate in digital TV
(5 marks) 00

b) Explain when and why the horizontal sweep oscillaotr step out of synchrosium.
(5 marks) 00

c) Give CCIR-B standards.
(5 marks) 00

d) Explain merits and demerits of LED display.
(5 marks) 00

Q2

a) Draw and explain Horizontal syn details compared to horizontal deflection sawtooth wave.
(10 marks) 00

b) Explain D2-MAC packet format and state D2-MAC characterstics
(10 marks) 00

Q3

a) Why are serrations needed in vertical sync pulses and how it solves the problem of half-line discrepency? Explain with diagram.
(10 marks) 00

b) Draw and explain Image orthicon camera tube. What is the function of the electron multiplier section?
(10 marks) 00

Q4

a) Draw and explain NTSC decoder along with the explanation for phasor diagrams of the signals in the NTSC system.
(10 marks) 00

b) Explain MAC signals its comprehenssion technique and scanning specifictaions, advantages and disadvantages.
(10 marks) 00

Q5

a) Explain with diagram wide dimension HDTV.
(10 marks) 00

b) What is the need of MUSE system? Explain its technical specifications, advantages and disadvantages.
(10 marks) 00

Q6 Write short notes on (any two):

a) EBU MAC system.
(10 marks) 00

b) VSB transmission for TV, how frequency is allocated for attennuation sploe and why?
(10 marks) 00

c) Sync pulse separartion and generation vertical and horizontal sync pulses.
(10 marks) 00

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