{"title":"葡萄糖传感用恒电位器和电流模式读出放大器的设计","authors":"Riyaz Ahmad, A. Joshi, D. Boolchandani, T. Varma","doi":"10.1109/iSES52644.2021.00026","DOIUrl":null,"url":null,"abstract":"The paper presents a novel design potentiostat and read-out amplifier circuits for glucose sensing. The performance of proposed design is evaluated by using a power supply of 1.5 V in Semi-Conductor Laboratory (SCL) 0.18 $\\mu$m CMOS technology. There are two main advantages of the proposed design. First is reference voltage required across sensor reference electrode and working electrode, which is supplied by MOS transistors threshold voltage and the second is multioutput transconductance amplifier (MTA) programmable gain which is enhanced by transconductance (gm) boosting technique. It is useful to readout small magnitude sensor current. The proposed design is found suitable for the glucose concentration measurement from 50 mg/dl to 225 mydl. It is observed that the linear range is found for the sensor current from 40 nA to 210 nA i.e. electrode resistance from 6 M$\\Omega$ to 30 M$\\Omega$ approximately. The maximum power consumption of the proposed design is 124 $\\mu$Watt.","PeriodicalId":293167,"journal":{"name":"2021 IEEE International Symposium on Smart Electronic Systems (iSES) (Formerly iNiS)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Design of potentiostat and current mode read-out amplifier for glucose sensing\",\"authors\":\"Riyaz Ahmad, A. Joshi, D. Boolchandani, T. Varma\",\"doi\":\"10.1109/iSES52644.2021.00026\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The paper presents a novel design potentiostat and read-out amplifier circuits for glucose sensing. The performance of proposed design is evaluated by using a power supply of 1.5 V in Semi-Conductor Laboratory (SCL) 0.18 $\\\\mu$m CMOS technology. There are two main advantages of the proposed design. First is reference voltage required across sensor reference electrode and working electrode, which is supplied by MOS transistors threshold voltage and the second is multioutput transconductance amplifier (MTA) programmable gain which is enhanced by transconductance (gm) boosting technique. It is useful to readout small magnitude sensor current. The proposed design is found suitable for the glucose concentration measurement from 50 mg/dl to 225 mydl. It is observed that the linear range is found for the sensor current from 40 nA to 210 nA i.e. electrode resistance from 6 M$\\\\Omega$ to 30 M$\\\\Omega$ approximately. The maximum power consumption of the proposed design is 124 $\\\\mu$Watt.\",\"PeriodicalId\":293167,\"journal\":{\"name\":\"2021 IEEE International Symposium on Smart Electronic Systems (iSES) (Formerly iNiS)\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 IEEE International Symposium on Smart Electronic Systems (iSES) (Formerly iNiS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/iSES52644.2021.00026\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE International Symposium on Smart Electronic Systems (iSES) (Formerly iNiS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/iSES52644.2021.00026","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
摘要
本文设计了一种葡萄糖传感用的恒电位器和读出放大电路。采用半导体实验室(SCL) 0.18 $\mu$ m CMOS技术的1.5 V电源对所提出的设计进行了性能评估。所提出的设计有两个主要优点。首先是传感器参考电极与工作电极之间所需的基准电压,该电压由MOS晶体管的阈值电压提供;其次是多输出跨导放大器(MTA)的可编程增益,该增益通过跨导升压技术增强。读出小幅度传感器电流是有用的。本设计适用于50 mg/dl至225 mydl的葡萄糖浓度测量。可以观察到,传感器电流的线性范围从40 nA到210 nA,即电极电阻大约从6 M $\Omega$到30 M $\Omega$。所提出的设计的最大功耗为124 $\mu$瓦特。
Design of potentiostat and current mode read-out amplifier for glucose sensing
The paper presents a novel design potentiostat and read-out amplifier circuits for glucose sensing. The performance of proposed design is evaluated by using a power supply of 1.5 V in Semi-Conductor Laboratory (SCL) 0.18 $\mu$m CMOS technology. There are two main advantages of the proposed design. First is reference voltage required across sensor reference electrode and working electrode, which is supplied by MOS transistors threshold voltage and the second is multioutput transconductance amplifier (MTA) programmable gain which is enhanced by transconductance (gm) boosting technique. It is useful to readout small magnitude sensor current. The proposed design is found suitable for the glucose concentration measurement from 50 mg/dl to 225 mydl. It is observed that the linear range is found for the sensor current from 40 nA to 210 nA i.e. electrode resistance from 6 M$\Omega$ to 30 M$\Omega$ approximately. The maximum power consumption of the proposed design is 124 $\mu$Watt.