A new design of charge amplifier in ultra-high impact data acquisition system

被引：0

作者：

Lin Yijie ^{[1
]}

Wen Feng ^{[1
]}

Zhai Chengrui ^{[1
]}

机构：

[1] N China Univ, Key Lab Instrumentat Sci & Dynam Measurement, Minist Educ, Taiyuan 030051, Shanxi, Peoples R China

来源：

ISTM/2007: 7TH INTERNATIONAL SYMPOSIUM ON TEST AND MEASUREMENT, VOLS 1-7, CONFERENCE PROCEEDINGS | 2007年

关键词：

charge amplify circuit; zero shift; accelerometer; ultra-high impact;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

At present, charge accelerometer has been used widely in impact and overloading measuring. And in data acquisition system we use charge amplifier to transfer charge signal to voltage signal. However, zero shift always appear in common charge amplify circuit. It will drop down the accuracy of data acquisition system. Even worse, in ultra-high impact condition the signal has been changed so enormously that the signal we get is not like the output of charge accelerometer a little. Based on this, we make some improvement with common amplify circuit in this article to solve this problem. The improved circuit can restrain zero shift very well. It will not change the characteristic of the signal at the same time.

引用

页码：1964 / 1967

页数：4

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