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电容传感器寄生电容干扰的产生原因及消除方法
引用本文:王爱玲,房亚民.电容传感器寄生电容干扰的产生原因及消除方法[J].华北科技学院学报,2005,2(1):93-95.
作者姓名:王爱玲  房亚民
作者单位:[1]山东省济宁职业技术学院机电工程系教师 [2]济宁职业技术学院机电工程系,山东济宁272037
摘    要:分析了电容传感器寄生电容存在的主要原因,以及消除寄生电容干扰的几种方法:主要采用驱动电缆技术、运算放大器驱动技术、整体屏蔽技术、集成组合技术来减小寄生电容,以提高传感器的性能。

关 键 词:电容传感器  寄生电容  干扰  驱动电缆技术  整体屏蔽技术
文章编号:1672-7169(2005)01-0093-03
修稿时间:2005年1月10日

Autoeciousness capacitance of capacitance sensor technology
WANG Ai-ling,FANG Ya-min.Autoeciousness capacitance of capacitance sensor technology[J].Journal of North China Institute of Science and Technology,2005,2(1):93-95.
Authors:WANG Ai-ling  FANG Ya-min
Abstract:The capacitance sensor is of simple structure, the resolution ratio is high, temperature stability is good, having a good adaptability, the trends are of good performance, but the existence of the parasitic capacitance has influenced its performance characteristics seriously, the article has analysed the main reason existing in parasitic capacitance of the capacitance sensor , and dispel several kinds of methods that the parasitic capacitance interfere: Is it urge cable technology , operation amplifier urge technology , whole shielding technology , integrated combination technique is it reduce capacitance of depending on for a living to come to adopt mainly, in order to improve the performance of the sensor.
Keywords:the Capacitance sensor  Depend on the capacitance for a living  Interference  Drive the technology of the cable  Whole shielding technology  
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