{"title":"CMOS ECG amplifier for heart rate analyzer sensor node used in Biomedical IOT applications","authors":"Christdas, S. Mythry, R. Yanamshetti","doi":"10.1109/ACCESS51619.2021.9563304","DOIUrl":null,"url":null,"abstract":"Biomedical IoT applications require the amplification of biomedical signals with low frequencies and small amplitudes, while suppressing Direct Current Voltage offsets. CMOS OTA-based amplifier design that meets this requirement is a research topic of interest to neuroscience scientists and clinicians. This article describes a literature review on different kinds of OTA used in neural signal capturing applications. A 120dB high gain, 4pV/√(Hz) noise and 0.5µW ECG amplifier for heart rate analyzing sensor node used in biomedical IOT application is designed using 90nm CMOS process. Wilson current-mirror method is used in designing 1V-powered CMOS ECG OTA.","PeriodicalId":409648,"journal":{"name":"2021 2nd International Conference on Advances in Computing, Communication, Embedded and Secure Systems (ACCESS)","volume":"3 7","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 2nd International Conference on Advances in Computing, Communication, Embedded and Secure Systems (ACCESS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ACCESS51619.2021.9563304","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Biomedical IoT applications require the amplification of biomedical signals with low frequencies and small amplitudes, while suppressing Direct Current Voltage offsets. CMOS OTA-based amplifier design that meets this requirement is a research topic of interest to neuroscience scientists and clinicians. This article describes a literature review on different kinds of OTA used in neural signal capturing applications. A 120dB high gain, 4pV/√(Hz) noise and 0.5µW ECG amplifier for heart rate analyzing sensor node used in biomedical IOT application is designed using 90nm CMOS process. Wilson current-mirror method is used in designing 1V-powered CMOS ECG OTA.
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