Television Engineering - May 2014
Electronics & Telecomm. (Semester 6)
TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1(a) Explain additives and subtractive colour mixing.(5 marks) 1(b) What is chromaticity diagram/Explain it.(5 marks) 1(c) How a light image is converted into signal using photoconduction.(5 marks) 1(d) What are the various streaming media protocols?(5 marks) 2(a) Draw the block diagram of monochrome TV transmitter and explain the working.(10 marks) 2(b) What is the need of scanning? Explain progressive scanning in detail.(10 marks) 3(a) Draw the composite video signal for three horizontal lines and explain the various components in details.(10 marks) 3(b) Draw the neat block diagram of an NTSC coder and decoder and explain the functioning.(10 marks) 4(a) Explain PAL coder system? How phase error are cancelled in PAL system?(10 marks) 4(b) What is EIA test pattern?Draw and explain EIA pattern with utility.(10 marks) 5(a) Draw and explain vidion camera tube what is ment by dark current in vidicon?(10 marks) 5(b) List the important equipment needed for trouble shooting a TV receiver.Suggest the common procedure to be followed while troubleshooting a TV receiver.(10 marks) 6(a) Draw neat diagram to indicates sync separate section in TV system and explain it.(10 marks) 6(b) With the help of neat diagram explain the functioning of cable television.(10 marks) 7(a) Write short notes on
Interlaced scanning(5 marks) 7(b) HDTV(5 marks) 7(c) AGC(5 marks) 7(d) Muliticasting(5 marks)