technology and media lesson 6

technology and media lesson 6 - Click to edit Master...

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Unformatted text preview: Click to edit Master subtitle style Cable Technology How It All Works o Huge expenses for satellites, receivers, fiber optic lines and coaxial cable (all part of build out costs) How Cable Systems Bring More Coaxial Cable How Cable Systems Bring More Coaxial Cable n Allows Use of Additional Frequencies n Prevents Interference n Signal Processing Capability Cable System Architecture Head-end Distribution Home Electronics Head-end Receives Signals from Various Sources n Off-air television stations n Microwave transmissions n Satellite Transmissions Head-end Processes and Amplifies Signals Transmits Signals to the System (“Downstream”) Receives Signals from Subscribers (“Upstream”) Distribution plant (trunk, feeder, drop) Cable Architecture o In the 1990s star patterns of hybrid fiber/coaxial (HFC) replaced tree and branch set ups Home Electronics Set Top Box Converters n Returns frequencies to those “usable” by set...
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technology and media lesson 6 - Click to edit Master...

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