Analog integrated circuits design for processing physiological signals
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AbstractAnalog integrated circuits (ICs) designed for processing physiological signals are important building blocks of wearable and implantable medical devices used for health monitoring or restoring lost body functions. Due to the nature of physiological signals and the corresponding application scenarios, the ICs designed for these applications should have low power consumption, low cutoff frequency, and low input-referred noise. In this paper, techniques for designing the analog front-end circuits with these three characteristics will be reviewed, including subthreshold circuits, bulk-driven MOSFETs, floating gate MOSFETs, and log-domain circuits to reduce power consumption; methods for designing fully integrated low cutoff frequency circuits; as well as chopper stabilization (CHS) and other techniques that can be used to achieve a high signal-to-noise performance. Novel applications using these techniques will also be discussed. © 2008 IEEE.
All Author(s) ListLi Y., Poon C.C.Y., Zhang Y.-T.
Journal nameIEEE Reviews in Biomedical Engineering
Year2010
Month12
Day24
Volume Number3
PublisherInstitute of Electrical and Electronics Engineers
Place of PublicationUnited States
Pages93 - 105
ISSN1937-3333
LanguagesEnglish-United Kingdom
KeywordsAnalog integrated circuits, low frequency, low noise, low power, medical devices

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