CONNECTORS FOR ELECTRONIC EQUIPMENT - TESTS AND MEASUREMENTS - PART 25-9: SIGNAL INTEGRITY TESTS - TEST 25I: ALIEN CROSSTALK
International Electrotechnical Committee
FOREWORD
1 Scope and object
2 Normative references
3 Terms and definitions
4 Overview
4.1 Procedure
4.2 Resources
5 Overall test arrangement
5.1 General
5.2 Terminations
5.3 Pairs of connectors to test
6 Procedure to test alien crosstalk from one connector to
another connector
6.1 Calibration
6.2 Measurement (noise) floor
6.3 Alien crosstalk measurement
7 Procedure for determining significance
8 Details to be specified in the detail specification
9 Power sum calculation, report and documentation
Annex A (informative) Flow chart for obtaining alien
crosstalk performance data
Annex B (informative) Illustrations of alien crosstalk testing
using coaxial switching
Bibliography
Defines a test method which is intended to assess the near-end alien crosstalk (ANEXT) and the far-end alien crosstalk (AFEXT) between connectors in close proximity, when mounted in their mounting systems.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 48 |
