基于USB2.0的高速高精度数据采集系统模拟电路设计  

High speed and high precision data acquisition system based on USB2.0 analog circuits

作　　者：杜改丽[1] 

机构地区：[1]河南职工医学院,河南郑州451191

出　　处：《电子设计工程》2013年第18期190-193,共4页Electronic Design Engineering

摘　　要：为了满足数据采集系统对输入信号的高速高精度采集,本文重点介绍了模拟前端放大器件选型以及模拟前端信号调理电路的设计,深入的研究了影响数据采集精度的关键技术,给出了ADC电路设计中提高和保持转换精度的要点。系统已经设计完成,并已成功地应用到型号工程中。In order to satisfy the data acquisition system for high speed and high precision of the input signal acquisition, this paper mainly introduces the analog front-end amplification device selection and the design of analog front-end signal disposal circuit, in-depth study of the key technologies of data acquisition precision, ADC circuit is given and keep conversion accuracy in the design of the main points of the. System has been designed and has been successfully applied to the model in the project.

关 键 词：高速高精度 数据采集 模拟电路 信号调理 

分 类 号：TP302[自动化与计算机技术—计算机系统结构]