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.
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 ...