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Consumer Electronics by S. P. Bali

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COLOUR TV CAMERAS

There are two general categories of colour TV cameras; one group uses a single (special) camera tube and the other group uses three camera tubes.

In the single-tube colour camera, Fig. 31.11, the tube face plate has a vertical stripe filter on the front of the tube and a frequency separation technique to extract the luminance and chrominance signals.

 

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Fig. 31.11 (a) Single tube colour camera and (b) vertical stripe filter

 

The basic camera tube is normally a vidicon with 17 mm diameter target. Unlike monochrome tubes, the colour tube has a striped colour filter bonded to its face plate just in front of the photosensitive ...

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