一种抗干扰量可调的模拟量开关电路的设计及应用

董燕; 唐泓

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上海电力大学学报:2009,25(2):165-168

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一种抗干扰量可调的模拟量开关电路的设计及应用

董燕¹, 唐泓²

(1.新疆阿克苏职业技术学院机电系, 新疆阿克苏 843000;2.上海师范大学机械与电子信息工程学院, 上海 201418)

A Design and Application of Anti-interference Capacity Adjustable Analog Switching Circuit

DONG Yan¹, TANG Hong²

(1.Electro-mechanical Department, Xinjiang Aksu Technical and Vocational College, Aksu 843000, China;2.College of Machine & Electronic Engineering, Shanghai Normal University, Shanghai 201418, China)

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投稿时间：2008-03-25

中文摘要: 主要介绍了一种抗干扰量可调的模拟量开关电路的设计及应用.该电路在电压比较器的基础上外加电阻、二极管等器件,具有可变抗干扰能力的功能.电路选用了LM339,上下阈值和输出值大小可以独立调整.电路实用可靠,参数调整方便,抗干扰能力强.

中文关键词: 电压比较器阈值电压抗干扰能力开关电路

Abstract:A kind of anti-interference capacity adjustable analog witching circuit is introduced.On the basis of voltage comparator,the circuit is composed of resistances,diodes and other devices which make the hysteresis voltage adjustable,the anti-interference capacity adjustable.In this circuit,the LM339 is selected,the upper and lower hysteresis voltage and output can be independently adjusted.Also,the parameter of the circuit can be adjusted conveniently,and the capability of resisiting interference is strong.Practical applicaton shows that the circuit is reliable

keywords: voltage comparator hysteresis voltage anti-interference capacity switching circuit

文章编号：20090216 中图分类号： 文献标志码：

基金项目:

作者	单位
董燕	新疆阿克苏职业技术学院机电系, 新疆阿克苏 843000
唐泓	上海师范大学机械与电子信息工程学院, 上海 201418

Author Name	Affiliation
DONG Yan	Electro-mechanical Department, Xinjiang Aksu Technical and Vocational College, Aksu 843000, China
TANG Hong	College of Machine & Electronic Engineering, Shanghai Normal University, Shanghai 201418, China

引用文本：
董燕,唐泓.一种抗干扰量可调的模拟量开关电路的设计及应用[J].上海电力大学学报,2009,25(2):165-168.
DONG Yan,TANG Hong.A Design and Application of Anti-interference Capacity Adjustable Analog Switching Circuit[J].Journal of Shanghai University of Electric Power,2009,25(2):165-168.