High-speed Real-time Multi-channel Data-acquisition Unit: Challenges and Results

被引：0
|
作者：
Su, Zhenqiang [1 ]
Huschle, Johannes [1 ]
Redfield, Stephen [1 ]
Qiao, Tianzhu [1 ]
Liu, Huaping [1 ]
Liu, Frank [2 ]
机构：
[1] Oregon State Univ, Sch EECS, Corvallis, OR 97331 USA
[2] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA
来源：
2014 IEEE 11TH CONSUMER COMMUNICATIONS AND NETWORKING CONFERENCE (CCNC) | 2014年
基金：
美国国家科学基金会;
关键词：
High-speed data-acquisition; real-time sampling; multi-channel; synchronization;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we describe the design of a 3 Giga-samples per second real-time multi-channel data-acquisition unit. We first introduce the technical challenges including synchronization, data transmission and printed circuit board design. Then we analyze the cause of issues in multi-channel synchronization, and develop a novel method to synchronize the channels and correctly save the data into RAM. We later discuss issues surrounding the unit's signal integrity and routing. We provide techniques and design procedures to properly mitigate these issues and guarantee the correct performance of the system. The DAU has been fabricated, and its performance is evaluated in this paper by sampling ultra-wide-band signals.
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收藏
页数：8
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