unit -1

1) Explain working of TV system transmitter and Receiver?

2)synchronization need? 4:3 aspect ratio? kell factor?Illusion of continuity? No. of scanning lines? why 25 frames required not 24?

3)horizontal resolution?vertical resolution?prove f=5mhz using vertical resolution equals horizontal resolution?

4)Interlaced scanning?how it eliminates flicker and reduce band width?

5)Additive color mix?subtractive color mix?hue?saturation?luminance?chrominance?color bar pattern?chromacity diagram?gamma correction?frequency interleaving technique?compatibility?

6)PAL encoder

7)color difference signals?y signal? g-y interms of b-y and r-y ?formation of chrominance signal?