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Consumer Electronics by S. P. Bali

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COLOUR TV SYSTEMS

Colour television transmission and reception can be described as a system that reproduces colour images as depicted in Fig. 31.14, that is, a colour scene is scanned and converted into a corresponding video signal by a colour TV camera. In turn this signal is processed through the colour TV system Fig. 31.14(b) and is finally applied to a colour pictue tube. A three-colour picture tube is used to reproduce the colour image.

In its most general aspect a colour TV receiver can be regarded as a conventional black-and-white receiver plus a chroma section and a colour picture tube, as shown in Fig. 31.15. One of the prominent advantages of any of colour television system is its compatibility.

 

 

Fig. 31.14 (a) Complete colour ...

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