• Manuel – Compendium of Cable Measurement Methods – 1984
  • CONTENTS
  • FOREWORD
  • CHAPTER I – GENERAL ASPECTS OF CABLE MEASUREMENT METHODS
    • 1 Introduction
    • 2 Purpose of the Compendium
    • 3 General remarks concerning the parameters measured on the cables
    • 4 Classification of measurement methods according to use
  • CHAPTER II – MEASUREMENTS MADE ON COAXIAL CABLE PAIRS
    • 1 Measurement of impedance
      • 1.1 General aspects of measurements of impedance in coaxial pairs
      • 1.2 Principle of measurements relating to the impedance of coaxial pairs
      • 1.3 Impedance measurements on coaxial pairs
      • 1.4 Use of different methods for measuring impedance according to application
      • ANNEX 1 – Effect of leakance on impedance measurements. Expression of the impedance of coaxial pairs at high frequencies
      • ANNEX 2 – Accuracy of methods for determining resonance frequencies
    • 2 Measurement of attenuation coefficient
      • 2.1 Introduction
      • 2.2 Methods of attenuation measurement by direct substitution
      • 2.3 Methods of attenuation measurement by indirect substitution
      • 2.4 Alternatives to the substitution and comparison techniques
      • 2.5 Attenuation measurements on installed cables
      • 2.6 Presentation of measurement results
      • 2.7 Application of the various measurement methods of the attenuation coefficient of coaxial pairs
    • 3 Measurement of speed and propagation time
      • 3.1 Foreword
      • 3.2 Pulse echo delay measurement
      • 3.3 TDR delay measurement
      • 3.4 Opposition method
      • 3.5 Resonance analysis
      • 3.6 Application of the various measuring methods
      • APPENDIX 1 – Error due to parasitic reactances in echo delay measurement
      • APPENDIX 2 – Correlation between the propagation velocities and characteristic impedances of coaxial pairs. Its use in the accurate evaluation of pair length and of attenuation loss
    • 4 Measurement of impedance regularity
      • A – GENERAL ASPECTS OF MEASURING THE REGULARITY OF IMPEDANCE
      • B – MEASUREMENTS CARRIED OUT BY MEANS OF PULSES [5]
        • B1 – MEASUREMENT OF BACKWARD ECHO
        • B2 – MEASUREMENT OF FORWARD ECHO
        • B3 – A VARIANT OF MEASUREMENTS CARRIED OUT USING PULSES
      • C – MEASUREMENTS CARRIED OUT USING A SINUSOIDAL SIGNAL
        • C1 – MEASUREMENTS OF THE BACKWARD REFLECTED WAVE DUE TO IRREGULARITIES
        • C2 – MEASUREMENTS RELATED TO FORWARD REFLECTED WAVE
      • D – USE OF DIFFERENT METHODS OF MEASURING IMPEDANCE REGULARITY ACCORDING TO THE PURPOSE OF TESTS
        • D1 – MEASUREMENTS CARRIED OUT ON SECTIONS TO BE USED ON ANALOGUE SYSTEMS
        • D2 – MEASUREMENTS CARRIED OUT ON SECTIONS TO BE USED ON DIGITAL SYSTEMS
        • D3 – EVOLVING TRENDS IN METHODS OF MEASURING IMPEDANCE IRREGULARITY
    • 5 Measurement of crosstalk
      • 5.1 Introduction
      • 5.2 Measurement of crosstalk using the comparison method
      • 5.3 Measurement of crosstalk using insertion loss method
      • 5.4 Crosstalk measurements on installed cables
      • 5.5 Surface transfer impedance (screening performance)
      • 5.6 Application of different methods of measuring crosstalk in coaxial cables
  • CHAPTER III – MEASUREMENTS MADE ON SYMMETRIC CABLE PAIRS
    • 1 Measurement of impedance
      • 1.1 General aspects of symmetric pair impedance measurements
      • 1.2 Principle of the measurement of impedance on symmetric pairs
      • 1.3 Impedance measurements on symmetric pairs
      • 1.4 Use of various methods for measuring the impedance of symmetric pairs according to the purpose of the tests
    • 2 Measurement of attenuation coefficient
      • 2.1 Introduction
      • 2.2 Precautions
      • 2.3 The most commonly used measurement methods
    • 3 Measurement of speed and propagation time
      • 3.1 Introduction
      • 3.2 Pulse echo delay measurement
      • 3.3 TDR delay measurement
      • 3.4 Opposition method
      • 3.5 Resonance analysis
      • 3.6 Application of the various measuring methods
    • 4 Measurement of crosstalk
      • 4.1 Crosstalk measurements using sinusoidal signals
      • 4.2 General principles
      • 4.3 Measurement method
      • 4.4 Operation
      • ANNEX – Relationship between r.m.s. noise voltages and error rates