METALLIC COMMUNICATION CABLES TEST METHODS - PART 1-1: ELECTRICAL - MEASUREMENT OF THE PULSE/STEP RETURN LOSS IN THE FREQUENCY DOMAIN USING THE INVERSE DISCRETE FOURIER TRANSFORMATION (IDFT)
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement principle
5 Performance calculations
6 Procedure
6.1 Coaxial cables
6.1.1 Equipment
6.1.2 Preparation of test specimen
6.1.3 Calibration
6.1.4 Attenuation constant
6.2 Balanced cables
7 Expression of results
8 Requirement
Describes the test which determines the regularity of impedance of r.f. cables by measuring the return loss in the frequency domain using a vector network analyser equipped with a reflection test set (bridge) and transferring the results into the time domain by using the Inverse Discrete Fourier Transformation (IDFT).
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 46 |
| Supersedes |
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