BS EN 60512-25-7:2005

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
Figures
Table

Applicable to interconnect assemblies, such as electrical connectors and cable assemblies. Also specifies test methods to measure impedance, reflection coefficient, and voltage standing wave ratio (VSWR) in the time and frequency domains.

Describes test methods to measure impedance, reflection coefficient, and voltage standing wave ratio in the time and frequency domains. Applies to interconnect assemblies, such as electrical connectors and cable assemblies, within the scope of IEC technical committee 48.