{"title":"基于斩波调制技术的微功率电容式传感器读出通道","authors":"M. Dei, E. Marchetti, P. Bruschi","doi":"10.1109/RME.2007.4401824","DOIUrl":null,"url":null,"abstract":"A low power capacitance to voltage converter, specifically designed for integrated sensors, is presented. The circuit is based on a fully differential impedance meter driven by a triangular wave form. Synchronous demodulation allows effective reduction of low frequency noise and device mismatch effects. The results of simulations performed on a prototype, designed using the BCD6s process of STMicroelectronics, are presented.","PeriodicalId":118230,"journal":{"name":"2007 Ph.D Research in Microelectronics and Electronics Conference","volume":"83 3-4","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"A micro power capacitive sensor readout channel based on the chopper modulation technique\",\"authors\":\"M. Dei, E. Marchetti, P. Bruschi\",\"doi\":\"10.1109/RME.2007.4401824\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A low power capacitance to voltage converter, specifically designed for integrated sensors, is presented. The circuit is based on a fully differential impedance meter driven by a triangular wave form. Synchronous demodulation allows effective reduction of low frequency noise and device mismatch effects. The results of simulations performed on a prototype, designed using the BCD6s process of STMicroelectronics, are presented.\",\"PeriodicalId\":118230,\"journal\":{\"name\":\"2007 Ph.D Research in Microelectronics and Electronics Conference\",\"volume\":\"83 3-4\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-07-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 Ph.D Research in Microelectronics and Electronics Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/RME.2007.4401824\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 Ph.D Research in Microelectronics and Electronics Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RME.2007.4401824","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A micro power capacitive sensor readout channel based on the chopper modulation technique
A low power capacitance to voltage converter, specifically designed for integrated sensors, is presented. The circuit is based on a fully differential impedance meter driven by a triangular wave form. Synchronous demodulation allows effective reduction of low frequency noise and device mismatch effects. The results of simulations performed on a prototype, designed using the BCD6s process of STMicroelectronics, are presented.
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