芯片上终止器在当前模式芯片外信号的自调谐系统

2009 52nd IEEE International Midwest Symposium on Circuits and Systems Pub Date : 2009-09-15 DOI:10.1109/MWSCAS.2009.5236143

E. López-Delgadillo, J. A. Díaz-Méndez, M. A. Garcia-Andrade, M. Magaña, F. Maloberti

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引用次数: 2

摘要

提出了一种电流模式片外信号中片上终止器的自调谐系统。该方法基于一种利用阻抗匹配误差符号和耦合支路电流符号进行自调谐的算法。描述了该系统的电路实现，并在晶体管水平上对工艺、温度和负载阻抗变化进行了计算机模拟。

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A self tuning system for on-die terminators in current mode off-chip signaling

A system for self tuning of on-die terminators in current mode off-chip signaling is presented. The proposed method is based on an algorithm that uses the sign of the impedance matching error and the sign of the coupling branch current to perform the self tuning operation. The circuit implementation of the system is described and computer simulations at the transistor level are presented for process, temperature and load impedance variations.

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2009 52nd IEEE International Midwest Symposium on Circuits and Systems

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