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Cable Systems

Explore the evolution of cable systems from early architectures to modern advancements like fiber optics and encryption. Learn about headend, trunk, feeder, drop cables, and terminal equipment, focusing on signal quality and system architecture. Discover how new developments enhance quality, increase bandwidth, and provide customization options, transitioning from analog to digital signals. Dig deeper into the technology behind cable television.

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Cable Systems

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Presentation Transcript

  1. Cable Systems An introduction

  2. Technology of Cable Television • Headend • Trunk cable • Distribution (or feeder) cable • Drop cable • Terminal equipment (consumer electronics) • Coaxial cable

  3. Early System Architecture • Simple • Problems • Amplifiers • Signal degradation • Quality

  4. System Architecture(See p. 115) Headend Trunk Feeder Feeder Feeder Drop Drop Drop Drop Drop Drop Drop Drop TV/VCR/Converter TV/VCR/Converter TV/VCR/Converter TV/VCR/Converter

  5. “New” Developments • Fiber optics • Better quality • Higher bandwidth • Customization • Analog to digital • Scramble to encryption

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