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A 2.4 Hz-to-10 kHz-tunable biopotential filter using a novel capacitor multiplier
Chen C.-H.1; Mak P.-I.1,2; Zhang T.-T.1; Vai M.-I.1; Mak P.-U.1; Pun S.-H.1; Wan F.1; Martins R.P.1,3
2009-12-01
Conference NameAsia Pacific Conference on Postgraduate Research in Microelectronics and Electronics
Source Publication1st Asia Pacific Conference on Postgraduate Research in Microelectronics and Electronics, PrimeAsia 2009
Pages372-375
Conference DateNOV 19-21, 2009
Conference PlaceShanghai, PEOPLES R CHINA
Abstract

This paper describes a high-dynamic-range 2.4 Hz-to-10 kHz wide-range tunable 5-order Butterworth lowpass filter for biomedical applications. A differential g-C topology in conjunction with a subthreshold-biased wide-g-range OTA realizes efficiently a wide frequency tuning capability. For capacitance savings with consequent silicon area reduction, a merged use of floating real capacitor and grounded multiplier-based capacitor is proposed. Optimized in a 0.35-μm CMOS process, the filter achieves over 68-dB dynamic range, 64 dB stopband attenuation and 28 μW power consumption at a single 3-V supply. ©2009 IEEE.

DOI10.1109/PRIMEASIA.2009.5397367
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Science & Technology - Other Topics
WOS SubjectEngineering, Electrical & Electronic ; Nanoscience & Nanotechnology
WOS IDWOS:000290197700095
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Citation statistics
Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
INSTITUTE OF MICROELECTRONICS
Affiliation1.Biomedical Engineering Laboratory and Analog and Mixed-Signal VLSI Laboratory, FST, University ofMacau, Macao, China
2.Clare Hall College, University of Cambridge, UK
3.On leave from Instituto Superior Tecnico (lST)/ TU ofLisbon, Portugal
Recommended Citation
GB/T 7714
Chen C.-H.,Mak P.-I.,Zhang T.-T.,et al. A 2.4 Hz-to-10 kHz-tunable biopotential filter using a novel capacitor multiplier[C],2009:372-375.
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