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Design of an analog front-end for ambulatory biopotential measurement systems
KTH, Skolan för informations- och kommunikationsteknik (ICT), Elektroniksystem. Fudan University, Shanghai, China.
2010 (engelsk)Inngår i: Journal of Semiconductors, ISSN 1674-4926, Vol. 31, nr 10, s. 105004-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A continuously tunable gain and bandwidth analog front-end for ambulatory biopotential measurement systems is presented. The front-end circuit is capable of amplifying and conditioning different biosignals. To optimize the power consumption and simplify the system architecture, the front-end only adopts two-stage amplifiers. In addition, careful design eliminates the need for chopping circuits. The input-referred noise of the system is only 1.19 μVrms (0.48-2000 Hz). The chip is fabricated via a SMIC 0.18 μm CMOS process. Although the power consumption is only 32.1 μW under a 3 V voltage supply, test results show that the chip can successfully extract biopotential signals.

sted, utgiver, år, opplag, sider
2010. Vol. 31, nr 10, s. 105004-
Emneord [en]
Analog front-end, Biopotential measurement system, Low-noise, Low-power
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-149583DOI: 10.1088/1674-4926/31/10/105004Scopus ID: 2-s2.0-78649400667OAI: oai:DiVA.org:kth-149583DiVA, id: diva2:740690
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QC 20140826

Tilgjengelig fra: 2014-08-26 Laget: 2014-08-25 Sist oppdatert: 2014-08-26bibliografisk kontrollert

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