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A 12-Gb/s Multichannel I/O Using MIMO Crosstalk Cancellation and Signal Reutilization in 65-nm CMOS

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2 Author(s)
Taehyoun Oh ; Dept. of Electron. Eng., Kwangwoon Univ., Seoul, South Korea ; Harjani, R.

A crosstalk cancellation and signal reutilization (XTCR) analog front-end implemented with infinite impulse response (IIR) networks dramatically improves signal integrity across multiple closely-spaced single-ended PCB traces. The XTCR technique has been designed to address multiple high-speed I/Os from the ground up. To verify this technique a 4 channel prototype was implemented in 65 nm CMOS. This 4 channel prototype design handles crosstalk cancellation for single-ended I/Os operating at 12 Gb/s. At this speed, the prototype XTCR design improves the measured average horizontal and vertical-eye openings by 37.5% and 26.4% at 10-8 BER, while consuming only 0.96 pJ/b/lane.

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:48 ,  Issue: 6 )