窄脉冲激光信号峰值保持电路设计OPA615

4212Vol．42No．12201212LASER＆INFRAREDDecember20121001-5078201212-1377-04··12211．1000812．100010。、、。TN247ADOI10．3969/j．issn．1001-5078．2012．12．013DesignofpeakholdingcircuitfornarrowlaserpulseXIONGYan1LUYao-dong2ZHUMin2ZOUZheng-feng11．SchoolofOptoelectronicsBeijingInstituteofTechnologyBeijing100081China2．BeijingInstituteofOpto-electronicTechnologyBeijing100010ChinaAbstractThispaperintroducesthestructureandprincipleofthetransconductancepeakholdingcircuit．Twodifferentwidebandoperationaltransconductanceamplifiersareusedtodesignpeakholdingcircuitfornarrowlaserpulse．Throughthesimulationanalysisoneofthemostsuitableamplifiersisselectedtomakeexperimentsandthenfactorsthataffectthemaintainingeffectivenessarediscussedindetailbyexperiments．Thecircuithasasimplestructuregoodlinearityandhighprecision．Keywordsnarrowlaserpulseoperationaltransconductanceamplifierpeakholdingcircuit1、、、1－2。AD。A/D。、、、3－4。5%。、、。22．111989－。[e-mail]2012-04-182012-05-06G、I、D、CB。1OTA3。OTAVinVout。Vout＜VinDGCVout≥VinDCI。2．2、。WTAOPA6605OPA6156。OPA660、、。OPA6602。OPA650。R5R6R7Q1PEAKPEAKC1Q1。2OPA660OPA615、OPA6153。3OPA6153AltiumDesigner2。Vin=1V20ns5ns。8nst=100nsVout=1025．1mV25．1mV2．51%4。873142time/ns4100nsPEAK20nsPEAK175～195ns5。0．6mV。。time/ns5250nsOPA61523。3ns20mV/μs。t=100nsVout=1989．2mV10．8mV1．02%6。time/ns6250ns1WTA。1WTA/mV·μs－1/ns/%/mVOPA660/82．510OPA6152031．05WTA。OPA660OPA6152。OPA615。4OPA615。、、、。。、、。、。7。。。Vin=1V20ns5ns1kHzBAT1730pF50pF23。2C=30pF/V0．30．50．70．91．11．31．51．7/V0．540．931．321．722．122．512．903．33/%1075．74．43．63．53．32．13C=50pF/V0．30．50．70．91．11．31．51．7/V0．590．991．401．792．182．582．973．37/%1．71．000．50．90．71．00．90．3V0．1～0．3V9731No．122012。50pF。5。。1LiangChangyinZhangTong．Analysisoflaserpulsesig-naldetectionsystemparametersJ．Laser＆Infrared2000305283－285．inChinese．J．2000305283－285．2ZhongShengyuanLiSongshan．Studyofmulti-pulsedla-serrangingtechnologyJ．Laser＆Infrared200636Z1797－799．inChinese．J．200636Z1797－799．3GuoYongxinJiaoQing．AnewtypeoftransconductancepulsepeakholdingcircuitJ．JournalofQingdaoUniver-sity2001164104－106．inChinese．J．2001164104－106．4ChenYongLiYanguoWumei．Anewtypeofhighper-formancepulsepeakholdingcircuitJ．NuclearElec-tronics＆DetectionTechnology1997174241－246．inChinese．J．1997174241－246．5TexasInstruments．Widebandwidthoperationaltranscon-ductanceamplifierOPA660Z．TexasInstruments2004．6TexasInstruments．Widebandwidthoperationaltranscon-ductanceamplifierOPA615Z．TexasInstruments2004．7MaMingjianZhouChangcheng．Dataacquisitionandpro-cessingtechnologyM．Xi'anXi'anJiaotongUniversityPress2005．inChinese．M．2005．083142