• IEC 60244-14:1997

    Current The latest, up-to-date edition.

    Methods of measurement for radio transmitters - Part 14: External intermodulation products caused by two or more transmitters using the same or adjacent antennas

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English - French

    Published date:  17-06-1997

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Definitions
    4 General measuring procedure
        4.1 Introduction
        4.2 Measurements in transmitter feeders
        4.3 Precautions to be observed when making measurements
        4.4 Off-air measurements
        4.5 Special precautions to be observed when
              making off-air measurements
    5 Methods of measurement for specific transmitter service
        or configuration
        5.1 Measurements for VHF radio transmitters
        5.2 Measurements for adjacent antennas
        5.3 Measurements for a common antenna
    6 Presentation of the results
    Figures
    1 Measurements in transmitter feeders
    2 Off-air measurements
    3 General arrangement for transmitters feeding separate
        antennas
    4 General arrangement for transmitters feeding a single
        antenna
    5 Alternative arrangement for transmitters feeding a
        single antenna
    6 Typical HF station configurations
    Annexes
    A Theoretical notes
    B Calculation of radiated levels of intermodulation
        products (q = 1)
    C Maximum permitted power level of spurious emissions

    Abstract - (Show below) - (Hide below)

    Details a mesurement method for external intermodulation products (intermodulation components) caused by two or more transmitters using the same or adjacent antennas. Describes recommended methods of assessing the performance of radio broadcast transmitters.

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    Committee TC 103
    Development Note Also numbered as BS EN 60244-14. (09/2005)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current
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