电磁干扰对核子秤电离室电流前置放大器的影响分析

  • 摘要: 在一般文献对低噪声电流灵敏放大器分析的基础上,针对电磁干扰对放大器的影响进行理论分析,并提出近场感应、静电耦合感应对核子秤前置放大器的影响及需要采取的措施。

     

    Abstract: THEEFFECTSOFELECTROMAGNETICINTERFERENCEONTHEELECTRICCURRENTPREAMPLIFIERINTHEIONIZATIONCHAMBEROFANUCLEARSCALEWangBingyuan(MonitoringInstituteofShanxiMiningInstitute,Taiyuan030024)YangQianli(ShanxiYuantongElectronicEngineeringCompany,Taiyuun030024)ABSTRACTOnthebasisofthegeneralanalysesofsensitivelow-noiseamplifiers,theefectsofelectromagneticinterferenceonthepreamplifierofanuclearscalearetheoreticalyanalyzed.Theefectsofnear-fieldinductionandelectromagneticcouplinginductionarealsostudied;besides,somecorrespondingmeasuresarerecommended.Keywordsnuclearscalepreamplifierelectromagneticinterferenceanalysis

     

/

返回文章
返回