CONNECTORS FOR ELECTRONIC EQUIPMENT - TESTS AND MEASUREMENTS - PART 25-7: TEST 25G - IMPEDANCE, REFLECTION COEFFICIENT, AND VOLTAGE STANDING WAVE RATIO (VSWR)
International Electrotechnical Committee
FOREWORD
1 Scope and object
2 Terms and definitions
3 Test resources
3.1 Equipment
3.2 Fixture
4 Test specimen
4.1 Description
5 Test procedure
5.1 Time domain
5.2 Frequency domain
6 Details to be specified
7 Test documentation
Annex A (normative) Measurement system rise time
Annex B (informative) Determination of the near end and far end
of the specimen
Annex C (informative) Calibration standards and test board
reference traces
Annex D (informative) Interpreting TDR impedance graphs
Annex E (informative) Terminations - Electrical
Annex F (informative) Practical guidance - variable rise time
Annex G (informative) Printed circuit board design considerations
for electronics measurements
Annex H (informative) Test signal launch hardware
Applies to interconnect assemblies, such as electrical connectors and cable assemblies. It also describes test methods to measure impedance, reflection coefficient, and voltage standing wave ratio (VSWR) in the time and frequency domains.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 48 |
