A reduced power, 6-tap programmable pre-emphasis circuit

Abstract

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10+Gbps serial data transmission over a Tyco 34" FR4 backplane channel using amplitude-optimized bit-edge equalization with an adjustment of LMS error derivation points

“…For generalization, the proposed BEE TX pre-emphasis can act as conventional BCE by simply bypassing the "XOR" pre-coder. Thus, a BEE/BCE dual-mode TX pre-emphasizer can be implemented to accommodate different channel characteristics and data rates, and variations of channel characteristic can be compensated by using programmable pre-emphasis circuits [36].…”

“…In the progress of developing this dissertation, the candidate was asked to provide design parameters for a team member to implement in 90nm CMOS technology. Thus, this proposed BEE/BCE dual-mode TX pre-emphasis signaling scheme has been implemented in 90nm CMOS by that team member and included in his Master thesis [36]. The programmable pre-emphasis circuit as presented in [36] can also be used to compensate for channel characteristic variation.…”