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Low-power switched-capacitor delta-sigma modulator for EEG recording applications
Chen Jin; Zhang Xu; Chen Hongda
2010
Source PublicationJournal of Semiconductors
Volume31Issue:7Pages:075009-1-075009-6
AbstractThis paper presents a third-order single-loop delta-sigma modulator of a biomedical micro-system for portable electroencephalogram (EEG) monitoring applications. To reduce the power consumption, the loop filter of the proposed modulator is implemented by applying a switched-capacitor structure. The modulator is designed in a 0.35-μm 2P4M standard CMOS process, with an active area of 365 × 290 μm~2. Experimental results show that this modulator achieves a 68 dB dynamic range with an input sinusoidal signal of 100 Hz signal bandwidth under a 64 over-sampling ratio. The whole circuit consumes 515 μW under a 2.5 V power supply, which is suitable for portable EEG monitoring
metadata_83集成光电子学国家重点实验室
Subject Area光电子学
Funding OrganizationNational Natural Science Foundation of China,National High Technology Research and Development Program of China
Indexed ByCSCD
Language英语
CSCD IDCSCD:3971879
Date Available2011-08-16
Citation statistics
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/21514
Collection集成光电子学国家重点实验室
Recommended Citation
GB/T 7714
Chen Jin,Zhang Xu,Chen Hongda. Low-power switched-capacitor delta-sigma modulator for EEG recording applications[J]. Journal of Semiconductors,2010,31(7):075009-1-075009-6.
APA Chen Jin,Zhang Xu,&Chen Hongda.(2010).Low-power switched-capacitor delta-sigma modulator for EEG recording applications.Journal of Semiconductors,31(7),075009-1-075009-6.
MLA Chen Jin,et al."Low-power switched-capacitor delta-sigma modulator for EEG recording applications".Journal of Semiconductors 31.7(2010):075009-1-075009-6.
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