瞬态响应信号数据采集电路设计  

Design of Data Acquisition Circuit for Transient Response Signal

作　　者：王金明[1] 菅少晗 李忠虎[1] 张飞[1] 李贵 赵学全 WANG Jin-ming;JIAN Shao-han;LI Zhong-hu;ZHANG Fei;LI Gui;ZHAO Xue-quan(School of Information Engineering,Inner Mongolia University of Science and Technology,Baotou 014010,China;Guohua Bayannaoer(Urad Zhongqi)Wind Power Co.,Ltd.,Bayannaoer 015000,China)

机构地区：[1]内蒙古科技大学信息工程学院,内蒙古包头014010 [2]国华巴彦淖尔(乌拉特中旗)风电有限公司,内蒙古巴彦淖尔015000

出　　处：《仪表技术与传感器》2021年第5期47-51,共5页Instrument Technique and Sensor

基　　金：国家自然科学基金应急管理项目(61640411);内蒙古自然科学基金项目(2019MS06019);昆都仑区科技计划项目(YF2020011)。

摘　　要：为了实现瞬态响应信号采集设备的便携式设计,设计了小型化的高速数据采集电路模块。电路系统以高速模数转换芯片AD9481和高速数据缓存芯片IDT 72V263为核心构成。给出了电路的整体设计框图与主要电路的设计原理图,搭建了小型化的电路系统,并对电路的性能进行了测试分析。通过对电路的测试表明:该小型化电路系统的采样速率达到了200 MSPS,能够对响应时间在160μs以内的瞬态响应信号以5 ns的时间分辨率进行数据采集。In order to realize the portable design of transient response signal acquisition equipment,a miniaturized high-speed data acquisition circuit module was designed.The circuit system was composed of high-speed analog-to-digital conversion chip AD9481 and high-speed data cache chip IDT 72V263.The overall design block diagram of the circuit and the design principle diagram of the main circuit were given,a miniaturized circuit system was built,and the circuit performance was tested and analyzed.The test of the circuit shows that the sampling rate of the miniaturized circuit system has reached 200 MSPS,and the transient response signal whose response time is less than 160μs can be collected with a time resolution of 5 ns.

关 键 词：瞬态响应信号 高速模数转换 数据采集电路 小型化应用 

分 类 号：TN792[电子电信—电路与系统]