{"title":"用带数字显示的场效应晶体管运算放大器系统测量氧微阴极电流。","authors":"C E Hahn","doi":"10.1088/0022-3735/2/1/311","DOIUrl":null,"url":null,"abstract":"An inexpensive method of measuring the current in an oxygen polarographic cathode electrode is described. The method entails the use of a field-effect transistor operational voltage amplifier connected as a transresistance converter, the output of which is read directly by a digital voltmeter.","PeriodicalId":16983,"journal":{"name":"Journal of Scientific Instruments","volume":"2 1","pages":"48-50"},"PeriodicalIF":0.0000,"publicationDate":"1969-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1088/0022-3735/2/1/311","citationCount":"15","resultStr":"{\"title\":\"The measurement of oxygen microcathode currents by means of a field-effect transistor operational amplifier system with digital display.\",\"authors\":\"C E Hahn\",\"doi\":\"10.1088/0022-3735/2/1/311\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An inexpensive method of measuring the current in an oxygen polarographic cathode electrode is described. The method entails the use of a field-effect transistor operational voltage amplifier connected as a transresistance converter, the output of which is read directly by a digital voltmeter.\",\"PeriodicalId\":16983,\"journal\":{\"name\":\"Journal of Scientific Instruments\",\"volume\":\"2 1\",\"pages\":\"48-50\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1969-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1088/0022-3735/2/1/311\",\"citationCount\":\"15\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Scientific Instruments\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1088/0022-3735/2/1/311\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Scientific Instruments","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/0022-3735/2/1/311","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The measurement of oxygen microcathode currents by means of a field-effect transistor operational amplifier system with digital display.
An inexpensive method of measuring the current in an oxygen polarographic cathode electrode is described. The method entails the use of a field-effect transistor operational voltage amplifier connected as a transresistance converter, the output of which is read directly by a digital voltmeter.
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