Sample Paper :- Television Engineering
Paper- ECE 403(E)
Q1 (a) Explain the block diagram of Monochrome Television?
(b) Explain Interlaced Scanning?
(c) Compare Television Standards of Monochrome and Colour Television?
Q2 (a) Draw and explain the Cathode Ray Tube?
(b) What is the frequency used for the Vestigial Sideband Transmission and justify the need Post and Pre equalizing pulses?
(c) Explain the bandwidth requirement for Colour Signal Transmission?
Q3 (a) How does the Interlace Error affect the quality of the picture?
(b) Compare the Delta gun colour picture tube and Trinitron colour picture tube?
(c) Explain the merits and demerits of Delta Gun picture tube?
Q4 (a) What type of deflection is used in Orthicon picture tube and explain it?
(b) Discuss various types of the Transmitting and Receiving antennas?
(c) Explain in brief the picture tube control circuits with suitable diagrams?
Q5 (a) Draw and explain the encoder and decoder of the NTSC system?
(b) Why we choose 625 number of scanning lines in the Phase Alternate Line system not 623 or 620?
(c) Determine the interlace error if the delay is 10 microseconds?
Q6 (a) Compare NTSC, SECAM and PAL systems?
(b) Explain(any three) :-
(i) Additive color mixing
(ii) Subtractive color mixing
(iv) Hue or Tint
Q7 (a) Explain the block diagram of :-
(ii) Projector TV
(iv) Television via Satellite
(b) Explain in brief the block diagram of Camcorder and explain in detail the functioning of each block?
(c) Explain why Vestigial Sideband is used for transmission of television signals?
Q8 (a) Write a short note on any six :-
(ii) Composite Video Signal
(iii) Gross Structure
(iv) Vidicon Camera Tube
(v) Tonal Gradation
(vi) Screen Phosphor
(b) Explain in detail the block diagram of Monochrome Transmitter and Receiver?
(c) Explain in brief the role of Dynode?