Transcription of High-speed Serial Bus Repeater Primer - Intel
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High-speed Serial Bus Repeater Primer Re-driver and Re-timer Micro-architecture, Properties, and Usage Revision , Oct. 2015. By Samie B. Samaan, Dan Froelich, and Samuel Johnson, Intel Corporation 1. Introduction Target Audience This Primer aims to inform High-speed Serial bus Signal Integrity engineers and system designers on the characteristics of SerDes repeaters (re-drivers and re-timers), in order to enable proper and effective use of those devices. It also provides useful background and insights for hardware validation and debugging practitioners. Motivation and Scope Multi-gigahertz Serial links, with progressively increasing bitrates, suffer from signal distortion (Inter- symbol Interference, or ISI) due to PCB and package copper and dielectric losses.
PCBs, packages, cables, and connectors make up the majority of copper-based serial links, due to their cost effectiveness. Optical links are also used at high data rates and long reach, but they have different distortion mechanisms, and are not addressed directly here. Copper (or ) …
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