{"title":"应用于低温电流比较器的自适应电流源和反馈","authors":"B. Wood, B. Schumacher","doi":"10.1109/19.377831","DOIUrl":null,"url":null,"abstract":"A novel current source for the cryogenic current comparator (CCC) is presented which is adaptable to many coil, resistance and filtering configurations. The effect of both current feedback from the SQUID and voltage feedback from the detector are examined and incorporated into the design. The advantages of the new system are examined in terms of flux tracking, leakage, self checking, accuracy and flexibility. The system has been used at NRC over the resistance range of 1 /spl Omega/ to 1 M /spl Omega/.<<ETX>>","PeriodicalId":388647,"journal":{"name":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","volume":"110 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Adaptive current sources and feedback applied to the cryogenic current comparator\",\"authors\":\"B. Wood, B. Schumacher\",\"doi\":\"10.1109/19.377831\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A novel current source for the cryogenic current comparator (CCC) is presented which is adaptable to many coil, resistance and filtering configurations. The effect of both current feedback from the SQUID and voltage feedback from the detector are examined and incorporated into the design. The advantages of the new system are examined in terms of flux tracking, leakage, self checking, accuracy and flexibility. The system has been used at NRC over the resistance range of 1 /spl Omega/ to 1 M /spl Omega/.<<ETX>>\",\"PeriodicalId\":388647,\"journal\":{\"name\":\"Proceedings of Conference on Precision Electromagnetic Measurements Digest\",\"volume\":\"110 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-06-27\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of Conference on Precision Electromagnetic Measurements Digest\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/19.377831\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of Conference on Precision Electromagnetic Measurements Digest","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/19.377831","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
摘要
提出了一种适用于多种线圈、电阻和滤波结构的低温电流比较器电流源。研究了SQUID的电流反馈和检测器的电压反馈的影响，并将其纳入设计中。从磁链跟踪、泄漏、自检、精度和灵活性等方面考察了新系统的优点。该系统已在NRC中使用，电阻范围为1 /spl ω /至1 M /spl ω /.>
Adaptive current sources and feedback applied to the cryogenic current comparator
A novel current source for the cryogenic current comparator (CCC) is presented which is adaptable to many coil, resistance and filtering configurations. The effect of both current feedback from the SQUID and voltage feedback from the detector are examined and incorporated into the design. The advantages of the new system are examined in terms of flux tracking, leakage, self checking, accuracy and flexibility. The system has been used at NRC over the resistance range of 1 /spl Omega/ to 1 M /spl Omega/.<>
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