{"title":"智能热流量传感器的桥频转换器","authors":"Gert J. A. van Dijk, J. H. Huijsing","doi":"10.1109/ESSCIRC.1992.5468136","DOIUrl":null,"url":null,"abstract":"A fully integrated bridge-to-frequency converter is presented as signal-conditioning circuitry for a one-chip smart thermal flow sensor. The converter reads out four separate bridges by means of a multiplexer to realize high sensitivity and directional flow measurement over the full range of 360°. Multiplexer control and output signal are microprocessor compatible. The relative measurement cancels all linear errors. The centre frequency is 10kHz. The sensitivity is 1Hz/(¿V/V). A bridge-offset of 10mV/V is allowed. The linearity error is 0.1%. The supply voltage is 5V.","PeriodicalId":242379,"journal":{"name":"ESSCIRC '92: Eighteenth European Solid-State Circuits conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Bridge-to-Frequency Converter for Smart Thermal Flow-Sensor\",\"authors\":\"Gert J. A. van Dijk, J. H. Huijsing\",\"doi\":\"10.1109/ESSCIRC.1992.5468136\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A fully integrated bridge-to-frequency converter is presented as signal-conditioning circuitry for a one-chip smart thermal flow sensor. The converter reads out four separate bridges by means of a multiplexer to realize high sensitivity and directional flow measurement over the full range of 360°. Multiplexer control and output signal are microprocessor compatible. The relative measurement cancels all linear errors. The centre frequency is 10kHz. The sensitivity is 1Hz/(¿V/V). A bridge-offset of 10mV/V is allowed. The linearity error is 0.1%. The supply voltage is 5V.\",\"PeriodicalId\":242379,\"journal\":{\"name\":\"ESSCIRC '92: Eighteenth European Solid-State Circuits conference\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1992-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ESSCIRC '92: Eighteenth European Solid-State Circuits conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ESSCIRC.1992.5468136\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ESSCIRC '92: Eighteenth European Solid-State Circuits conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ESSCIRC.1992.5468136","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Bridge-to-Frequency Converter for Smart Thermal Flow-Sensor
A fully integrated bridge-to-frequency converter is presented as signal-conditioning circuitry for a one-chip smart thermal flow sensor. The converter reads out four separate bridges by means of a multiplexer to realize high sensitivity and directional flow measurement over the full range of 360°. Multiplexer control and output signal are microprocessor compatible. The relative measurement cancels all linear errors. The centre frequency is 10kHz. The sensitivity is 1Hz/(¿V/V). A bridge-offset of 10mV/V is allowed. The linearity error is 0.1%. The supply voltage is 5V.
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