100 Gb/s Serial Transmission over Copper using Duo-binary Signaling

At last year’s DesignCon we presented duo-binary signaling as an alternative for PAM4 for data rates of 56 Gb/s and higher over copper. This paper explores the feasibility of using duo-binary signaling for 100 Gb/s serial transmission over copper. It includes an in-depth comparison between duo-binary and other signaling schemes regarding the acceptable channel loss, the tolerable crosstalk and jitter and the power consumption for serial data rates up to 100 Gb/s, and we study what the channel requirements are to be able to use duo-binary signaling for 100 Gb/s serial transmission over copper.

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