UM
Analysis of Op-Amp Power-Supply Current Sensing Current-Mode Instrumentation Amplifier for Biosignal Acquisition System
Jin Tao Li; Sio Hang Pun; Peng Un Mak; Mang I Vai
2008
Conference Name30th Annual International Conference of the IEEE-Engineering-in-Medicine-and-Biology-Society
Source PublicationProceedings of 2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Pages2295-2298
Conference Date20-25 Aug. 2008
Conference PlaceVancouver, BC, Canada
CountryCanada
PublisherIEEE
Abstract

Common biosignals are frequently recorded and used in modern clinical practice and even daily health care applications. The most important building block of such an acquisition system is the analog readout front end. Usually, an instrumentation amplifier with high CMRR and configurable gain characteristics is suitable for this application. There is a current mode instrumentation amplifier based on op amp power supply current sensing technique, which is a possible solution for designing the biosignal acquisition system. This paper makes a brief analysis of this topology and studies some features for applying to biosignals. Furthermore, a real circuit simulation analysis employing CMOS 0.35 μm technology under a 3 V power supply is conducted. 

DOIhttps://doi.org/10.1109/IEMBS.2008.4649656
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Biomedical ; Engineering, Electrical & Electronic
WOS IDWOS:000262404501176
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Citation statistics
Cited Times [WOS]:8   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionUniversity of Macau
AffiliationDepartment of Electrical and Electronics Engineering, Faculty of Science and Technology, University of Macau (Av. Padre Tomás Pereira, Taipa, Macau.
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Jin Tao Li,Sio Hang Pun,Peng Un Mak,et al. Analysis of Op-Amp Power-Supply Current Sensing Current-Mode Instrumentation Amplifier for Biosignal Acquisition System[C]:IEEE,2008:2295-2298.
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