16. The sync pulses are obtained by …
(a) dividing colour sub-carrier
(b) Using a separate oscillator
(c) using CB signal
(d) using sweep signal
17. Reference phase of the sub-carrier in NTSC is …………. clockwise from –(B-Y).
(a) 0 degree
(b) 45 degree
(c) 57 degree
(d) 90 degree
18. In D-PAL , D stands for ………
(a) deep
(b) data
(c) delay
(d) dual
19. Vertical resolution in SECAM is …………. percent of that in NTSC.
(a) 100
(b) 75
(c) 50
(d) 25
20. R-Y signal changes phase in PAL on alternate lines by ………….
(a) 45 degree
(b) 90 degree
(c) 180 degree
(d) 270 degree
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Colour Television Systems » Exercise - 110. B-Y signal changes in PAL on alternate lines by ……....... (a) 0 degree (b) 45 degree (c) 90 degree (d) 180 degree- Colour Television Systems » Exercise - 12. Automatic correction of colour error is possible in : (a) NTSC (b) PAL (c) SECAM (d) None of these
- Colour Television Systems » Exercise - 120. R-Y signal changes phase in PAL on alternate lines by ……....... (a) 45 degree (b) 90 degree (c) 180 degree (d) 270 degree
- Colour Television Systems » Exercise - 117. Reference phase of the sub-carrier in NTSC is ……....... clockwise from –(B-Y). (a) 0 degree (b) 45 degree (c) 57 degree (d) 90 degree
- Colour Television Systems » Exercise - 119. Vertical resolution in SECAM is ……....... percent of that in NTSC. (a) 100 (b) 75 (c) 50 (d) 25