T/CPCA Z5101-2015 Pcb characteristic impedance time domain reflection measurement guideline
T/CPCA Z5101-2015 Pcb characteristic impedance time domain reflection measurement guideline
Basic Information
Scope
Scope: This guidance technical document specifies the requirements for the measurement system, measurement instruments and accessories, measurement and calibration methods, differential characteristic impedance TDR measurement and calibration methods, preparation before measurement and calibration, calibration and measurement steps, and precautions for determining the characteristic impedance of transmission lines on printed circuit boards (PCBs); Main technical content: The technical document includes: scope, normative reference documents, terms and definitions, test system requirements and explanations; test instruments and accessories requirements; calibration and measurement methods; differential characteristic impedance TDR test and calibration methods, preparation before calibration and measurement, calibration and measurement steps, special considerations and precautions, Appendix A: TDR instrument test and calibration step examples; Appendix B: Compatibility examples of commonly used TDR instruments.