• I.S. EN 60244-5:1994

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    METHODS OF MEASUREMENT FOR RADIO TRANSMITTERS - PART 5: PERFORMANCE CHARACTERISTICS OF TELEVISION TRANSMITTERS

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  13-05-2021

    Language(s):  English

    Published date:  01-01-1994

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

    Add To Cart

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
       2.1 IEC publications
       2.2 CCIR publications
    3 General terms and definitions
       3.1 Television transmitter
       3.2 Description of the television systems and other relevant
           information
       3.3 Definitions of performance characteristics
       3.4 Standard test signals
    4 General conditions of operation
    5 General conditions of measurement
       5.1 Input and output signal arrangements
       5.2 Measuring equipment
       5.3 Modulation and power conditions
       5.4 General characteristics
    6 Output power, power consumption and power factor
       6.1 Definitions
       6.2 Measuring arrangement
       6.3 Test signal
       6.4 Measuring procedure
       6.5 Calculation and presentation of the results
    7 The characteristic vision levels
       7.1 Introduction
       7.2 Setting the characteristic levels to nominal values
       7.3 Performance of the white clipper
       7.4 Stability of the reference levels and output power
    8 Linear distortion
       8.1 Introduction
       8.2 Amplitude/radio-frequency characteristic
       8.3 Amplitude/video-frequency characteristic
       8.4 Group-delay/radio-frequency characteristic
       8.5 Group-delay/video-frequency characteristic
    9 Non-linear distortion
       9.1 Introduction
       9.2 Luminance non-linearity
       9.3 Differential gain and phase
       9.4 Chrominance non-linearity
       9.5 Chrominance-linearity intermodulation or cross-talk
       9.6 Incidental phase modulation
    10 Waveform distortion
       10.1 Introduction
       10.2 2T-pulse distortion including the pulse-bar ratio
       10.3 T-step or T-pulse distortion
       10.4 Field-time bar tilt
       10.5 Line-time bar tilt
       10.6 Luminance bar tilt
       10.7 Line synchronizing pulse distortion
       10.8 Field blanking interval distortion
       10.9 Line tilt
       10.10 Long-time signal distortion
       10.11 Chrominance-luminance gain and delay inequality using
             a composite pulse
    11 Unwanted modulation
       11.1 Introduction
       11.2 Random noise
       11.3 Low frequency periodic noise
       11.4 High frequency periodic noise including intermodulation
       11.5 Impulsive noise
    12 Special measurements for data signals in the vision signal
       12.1 Introduction
       12.2 Eye height and eye width
       12.3 Position of the penultimate clock run-in-bit
    13 Method of measurement of the sound channel(s) of a
       television transmitter
       13.1 Introduction
       13.2 Measuring arrangement
       13.3 Method of measurement of the FM sound channel (single
            sound)
       13.4 Method of measurement of the AM sound channel
       13.5 Special measurement for two or more sound channels
    Figures
    Annexes (normative)
    A.1 References to the IEV and recommendations and reports
        of the CCIR
    A.2 Channels and frequencies allocated to television
        broadcasting copy
    A.3 Characteristics of television systems
    A.4 Filters for use in measurements
    A.5 A low-pass Gaussian filter for eye height measurement
        (calibrated filter)
    B Test signals
    ANNEX ZA (normative) OTHER INTERNATIONAL PUBLICATIONS QUOTED
             IN THIS STANDARD WITH THE REFERENCES OF THE RELEVANT
             EUROPEAN PUBLICATIONS

    Abstract - (Show below) - (Hide below)

    Elaborates the methods of measurement for assessing the performance characteristics of television transmitters and is used for type tests and acceptance or factory tests.

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

    Development Note Supersedes I.S. HD 236.5. (07/2005) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Withdrawn

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

    IEC 60244-12-2:1989 Methods of measurement for radio transmitters. Part 12: Guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting - Specification sheets
    EN 60244-12-1:1993 Methods of measurement for radio transmitters - Part 12: Guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting - Characteristics to be specified
    HD 236.1 : 200S1 METHODS OF MEASUREMENT FOR RADIO TRANSMITTERS - GENERAL CONDITIONS OF MEASUREMENT, FREQUENCY, OUTPUT POWER AND POWER CONSUMPTION
    EN 60244-12-2:1993 Methods of measurement for radio transmitters - Part 12: Guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting - Specification sheets
    IEC 60244-1:1999 Methods of measurement for radio transmitters - Part 1: General characteristics for broadcast transmitters
    IEC 60244-10:1986 Methods of measurement for radio transmitters. Part 10: Methods of measurement for television transmitters and transposers employing insertion test signals
    IEC 60244-13:1991 Methods of measurement for radio transmitters - Part 13: Performance characteristics for FM sound broadcasting
    EN 60244-10:1993 Methods of measurement for radio transmitters - Part 10: Methods of measurement for television transmitters and transposers employing insertion test signals
    EN 60244-13:1993 Methods of measurement for radio transmitters - Part 13: Performance characteristics for FM sound broadcasting
    IEC 60244-12-1:1989 Methods of measurement for radio transmitters. Part 12: Guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting - Characteristics to be specified
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective