{"title":"A pulse generator output stage suitable for very low-temperature heat capacity measurements","authors":"M. Colclough","doi":"10.1088/0022-3735/22/8/025","DOIUrl":null,"url":null,"abstract":"A low-power circuit that provides a constant-voltage output pulse is described. The stability of the pulse voltage is better than 1 part in 104 and the on/off power ratio is about 1010. The duration of the pulse is controlled by an optically isolated timing signal. The circuit has been used to drive the specimen heater in heat capacity measurements at dilution refrigerator temperatures.","PeriodicalId":16791,"journal":{"name":"Journal of Physics E: Scientific Instruments","volume":"6 1","pages":"663-663"},"PeriodicalIF":0.0000,"publicationDate":"1989-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Physics E: Scientific Instruments","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/0022-3735/22/8/025","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A low-power circuit that provides a constant-voltage output pulse is described. The stability of the pulse voltage is better than 1 part in 104 and the on/off power ratio is about 1010. The duration of the pulse is controlled by an optically isolated timing signal. The circuit has been used to drive the specimen heater in heat capacity measurements at dilution refrigerator temperatures.
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