信号完整性设计中的抖动与振铃消除技术

doi:10.3969/j.issn.1001-2400.2012.06.022

Abstract

Abstract:

This paper focus mainly on the research on jitter and ringing for signal integrity design. To optimize the jitter caused by ISI (ISI: Inter-Symbol Interference) during high speed signal transmission, a novel current-mode pre-emphasis circuit is presented. Compared with the traditional structure, this novel circuit not only improves the operation speed by pre-emphasizing in both the posedge and negedge of the signal, but also reduces the circuit complexity. Furthermore, with the consideration of the bonding wire model and the chip load, a technique based on impedance matching is proposed to reduce the ringing in LVDS(Low-Voltage Differential Signaling). Simulation and measurement results of the eye-diagram are analyzed, proving the applicability of the proposed circuit and technique.

Key words: signal integrity, jitter, pre-emphasis circuit, ringing, impedance matching

CLC Number:

TN431.2

TONG Xingyuan;ZHU Zhangming;YAN Yintang;KONG Liang. Jitter and ringing cancellation techniques for signal integrity design[J].J4, 2012, 39(6): 136-141.

References

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Jitter and ringing cancellation techniques for signal integrity design

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