부산대학교 도서관

Channel loss is a dominant factor for the signaling performance of high-speed I/O's. Some platform design guides clearly specify the raw cable only loss requirement in the channel design. How to characterize the raw cable with the test fixture being de-embedded is very important for designers to select the right cable and control manufacture process control, balancing the platform performance and cost. In this study, a novel raw cable metrology is proposed for accurate and robust measurement. Delta-L de-embedding metrology is adopted with the physical fitting to report insertion loss numbers more error-resistant up to 30 GHz. The unit cable loss of different effective cable length configurations by Delta-L are very consistent to show the robustness and accuracy of this proposed metrology. Furthermore, this electrical library of different cable gauges from different suppliers was established to provide more flexibility in the cable selection during the platform design phase.