{"title":"用于记录小鼠局部温度的远程供电植入IC，精度为±0.09°C","authors":"M. Ghanad, Michael M. Green, C. Dehollain","doi":"10.1109/ASSCC.2013.6690990","DOIUrl":null,"url":null,"abstract":"Multiple techniques are presented to implement an ultra-low-power remotely powered implantable system. The temperature is monitored locally by a thermistor-type sensor. The resistive response of the sensor is amplified and resolved in the time-domain. The data is transmitted using a duty cycled free running oscillator operating at 868 MHz. In addition, the sensor interface and data transmitter are time interleaved to improve power link sensitivity. A prototype chip is fabricated in 0.18 μm CMOS. The implant is powered with a 13.56 MHz inductive link and operates with a minimum power of 53 μW. The system is capable of recording temperature with accuracy of ±0.09 °C when 8 times oversampling is done at the base station.","PeriodicalId":296544,"journal":{"name":"2013 IEEE Asian Solid-State Circuits Conference (A-SSCC)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":"{\"title\":\"A remotely powered implantable IC for recording mouse local temperature with ±0.09 °C accuracy\",\"authors\":\"M. Ghanad, Michael M. Green, C. Dehollain\",\"doi\":\"10.1109/ASSCC.2013.6690990\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Multiple techniques are presented to implement an ultra-low-power remotely powered implantable system. The temperature is monitored locally by a thermistor-type sensor. The resistive response of the sensor is amplified and resolved in the time-domain. The data is transmitted using a duty cycled free running oscillator operating at 868 MHz. In addition, the sensor interface and data transmitter are time interleaved to improve power link sensitivity. A prototype chip is fabricated in 0.18 μm CMOS. The implant is powered with a 13.56 MHz inductive link and operates with a minimum power of 53 μW. The system is capable of recording temperature with accuracy of ±0.09 °C when 8 times oversampling is done at the base station.\",\"PeriodicalId\":296544,\"journal\":{\"name\":\"2013 IEEE Asian Solid-State Circuits Conference (A-SSCC)\",\"volume\":\"45 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-12-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"10\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2013 IEEE Asian Solid-State Circuits Conference (A-SSCC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ASSCC.2013.6690990\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 IEEE Asian Solid-State Circuits Conference (A-SSCC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ASSCC.2013.6690990","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A remotely powered implantable IC for recording mouse local temperature with ±0.09 °C accuracy
Multiple techniques are presented to implement an ultra-low-power remotely powered implantable system. The temperature is monitored locally by a thermistor-type sensor. The resistive response of the sensor is amplified and resolved in the time-domain. The data is transmitted using a duty cycled free running oscillator operating at 868 MHz. In addition, the sensor interface and data transmitter are time interleaved to improve power link sensitivity. A prototype chip is fabricated in 0.18 μm CMOS. The implant is powered with a 13.56 MHz inductive link and operates with a minimum power of 53 μW. The system is capable of recording temperature with accuracy of ±0.09 °C when 8 times oversampling is done at the base station.
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