Small Earth Stations Protection Of Service (1979)

By Robert H. Allen, Rockwell International

This paper examines the protection of programming and service for the small earth station for the Cable Television Business.

A review of the CATV Companies and the growth of the business over the last few years shows that the availability of new programming sources has produced industry growth. A quick examination of what is available in the programming area is provided. This growth has and will continue to require more equipment to handle the added service.

A discuss of protection of programming and service is provided. This includes some block diagrams of service protection techniques used with discussions of each. The techniques covered include schemes for protection of low noise amplifiers, video receivers, polarities, power etc. Protection of programming is discussed briefly. Techniques used are controlling the satellite video receiver via clock, telephone, in-band switching, out of band switching, micro-processor control.

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