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  • CLC/TS 50083-3-3:2014

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    Cable networks for television signals, sound signals and interactive services - Part 3-3: Active wideband equipment for cable networks - Methods of measurement of the maximum operating output level in the return path

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    Withdrawn date:  09-03-2023

    Language(s): 

    Published date:  07-11-2014

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms, definitions, symbols and abbreviations
    4 Method of measurement of the maximum
      operating output level in the return path
    Annex A (normative) - Null packet and PRBS definitions
    Annex B (informative) - Calculation formula for the
            maximum operating output level for reduced
            channel loads
    Bibliography

    Abstract - (Show below) - (Hide below)

    This Technical Specification is applicable to the method of non-linearity measurement for active cable network equipment which carry a digital channel load in the return path. The digital channel load is represented by standard DVB-C signals. The method of measurement of the maximum operating output level takes account of a full channel load in the return path frequency range although different applications of return path amplifiers with partial channel load or single channel load are also in practical use. The maximum operating output level for applications with reduced channel loads could be derived from the result with a full channel load by applying a given calculation formula. The method considers the specific signal form and behaviour of digitally modulated signals and can be applied in the return path frequency range (5 MHz to 65 MHz) as well as in the extended return path frequency range (5 MHz to 85 MHz) according to EN 60728-10.

    General Product Information - (Show below) - (Hide below)

    Committee CLC/TC 209
    Document Type Technical Specification
    Publisher European Committee for Standards - Electrical
    Status Withdrawn
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO/IEC 13818-1:2015 Information technology Generic coding of moving pictures and associated audio information Part 1: Systems
    IEC 60728-3 : 4.0 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 3: ACTIVE WIDEBAND EQUIPMENT FOR CABLE NETWORKS
    IEC 60728-3:2010 Cable networks for television signals, sound signals and interactive services - Part 3: Active wideband equipment for cable networks
    EN 60728-10:2014 Cable networks for television signals, sound signals and interactive services - Part 10: System performance for return paths
    IEC 60728-10:2014 Cable networks for television signals, sound signals and interactive services - Part 10: System performance of return paths
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