Design of detecting circuit of weak current in photo ionization sensor

ZHOU Pei-li2; ZHANG Ji-long1; WANG Zhi-bin1

doi:10.13873/j.1000-97872011.04.045

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Design of detecting circuit of weak current in photo ionization sensor

更新时间：2025-09-11

- Design of detecting circuit of weak current in photo ionization sensor
- Vol. 30, Issue 4, Pages: 108-110(2011)
- 作者机构：
  
  1. 山西省光电信息与仪器工程技术研究中心
  2. 中北大学仪器科学与动态测试教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872011.04.045
  CLC： TP212
- Published：2011
- 稿件说明：
移动端阅览
[1]周佩丽,张记龙,王志斌.光电离传感器中微电流检测电路的设计[J].传感器与微系统,2011,30(04):108-110.

ZHOU Pei-li2, ZHANG Ji-long1, WANG Zhi-bin1. Design of detecting circuit of weak current in photo ionization sensor[J]. 2011, 30(4): 108-110.
[1]周佩丽,张记龙,王志斌.光电离传感器中微电流检测电路的设计[J].传感器与微系统,2011,30(04):108-110. DOI： 10.13873/j.1000-97872011.04.045.

ZHOU Pei-li2, ZHANG Ji-long1, WANG Zhi-bin1. Design of detecting circuit of weak current in photo ionization sensor[J]. 2011, 30(4): 108-110. DOI： 10.13873/j.1000-97872011.04.045.

摘要

介绍了一种低频极微弱电流信号放大电路的工作原理、电路设计、元器件选择及制造工艺。该放大电路是光电离传感器的重要组成部分

它也可以应用在其它微弱电流信号的检测系统中。实验表明:该电路有效抑制了噪声

具有良好的灵敏度和线性度。

Abstract

The working principle

circuit design

component selection and manufacturing technique of a low-frequency extremely weak current signal amplifying circuit is introduced.This amplifying circuit is an important part of photo ionization sensor

and it can be also applied in other detecting systems.The experiments indicate that the circuit restrain noise effectively.It has good sensitivity and linearity.

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Keywords

references

极微弱光电流测量电路的设计 [J]. 严福兴. 武汉理工大学学报(信息与管理工程版) . 2006(11)

GC-4400型便携式光离子化气相色谱仪 [J]. 景士廉. 现代科学仪器 . 2005(05)

气相色谱检测技术在化学战争和反恐怖斗争中的应用 [J]. 施文. 中国个体防护装备 . 2002(01)

环境空气中VOC s 的监测技术新进展 [J]. 郑小萍. 环境监测管理与技术 . 2001(03)

微弱信号检测[M]. 清华大学出版社 , 高晋占编著, 2004

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