用于64gb /s PAM-4信令的FR-4 PCB传输线宽带测量

2020 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) Pub Date : 2020-09-01 DOI:10.1109/RFIT49453.2020.9226185

Y. Tsubouchi, J. Deguchi, R. Fujimoto

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引用次数: 0

摘要

本文给出了在基于FR-4的印刷电路板(pcb)上对差分传输线高频响应的测量结果和分析结果。在高带宽、高频率的通信系统中，pcb上元器件的表征变得越来越重要。假设传输线为64 gb /s PAM-4信令，使用150 μm间距的GSGSG差分探头进行高达67 GHz的测量。根据实测结果，分析了过孔效应、线路方向/位置对传输线电气特性的依赖、线路尺寸与限制线路带宽的高阶模式之间的关系。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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4-port 10 MHz − 67 GHz Broadband Measurement of FR-4 PCB Transmission Lines for 64-Gb/s PAM-4 Signaling

In this paper, measured high-frequency responses of differential transmission lines on FR-4 based printed circuit boards (PCBs) and their analyzed results are shown. In high-bandwidth and high-frequency communication systems, characterizing the components on PCBs becomes more and more important. Assuming transmission lines for 64-Gb/s PAM-4 signaling, the measurements are carried out up to 67 GHz using 150-μm pitch GSGSG differential probes. A via-stub effect, line-direction/location dependence on electrical characteristics of transmission lines, and relation between line dimensions and higher order mode that limits line bandwidth are analyzed based on measured results.

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2020 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)

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