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A Low Power CMOS Front-End for Photoplethysmographic Signal Acquisition with Robust DC Photocurrent Rejection

文献类型：期刊论文

作者Wong, A.K.Y.; Kong-Pang Pun; Yuan-Ting Zhang; Ka Nang Leung
刊名IEEE Transactions on Biomedical Circuits and Systems
出版日期2008
卷号2期号:4
关键词280-288
英文摘要
A micro-power CMOS front-end, consisting of a transimpedance amplifier (TIA) and an ultralow cutoff frequency lowpass filter for the acquisition of photoplethysmographic signal (PPG) is presented. Robust DC photocurrent rejection for the pulsed signal source is achieved through a sample-and-hold stage in the feed-forward signal path and an error amplifier in the feedback path. Ultra-low cutoff frequency of the filter is achieved with a proposed technique that incorporates a pair of current-steering transistors that increases the effective filter capacitance. The design was realized in a 0.35-mum CMOS technology. It consumes 600 muW at 2.5 V, rejects DC photocurrent ranged from 100 nA to 53.6 muA, and achieves lower-band and upper-band - 3-dB cutoff frequencies of 0.46 and 2.8 Hz, respectively.

收录类别SCI
语种英语
源URL[http://ir.siat.ac.cn:8080/handle/172644/2268]  
专题深圳先进技术研究院_医工所
推荐引用方式
GB/T 7714		 Wong, A.K.Y.,Kong-Pang Pun,Yuan-Ting Zhang,et al. A Low Power CMOS Front-End for Photoplethysmographic Signal Acquisition with Robust DC Photocurrent Rejection[J]. IEEE Transactions on Biomedical Circuits and Systems,2008,2(4).
APA Wong, A.K.Y.,Kong-Pang Pun,Yuan-Ting Zhang,&Ka Nang Leung.(2008).A Low Power CMOS Front-End for Photoplethysmographic Signal Acquisition with Robust DC Photocurrent Rejection.IEEE Transactions on Biomedical Circuits and Systems,2(4).
MLA Wong, A.K.Y.,et al."A Low Power CMOS Front-End for Photoplethysmographic Signal Acquisition with Robust DC Photocurrent Rejection".IEEE Transactions on Biomedical Circuits and Systems 2.4(2008).

入库方式： OAI收割

来源：深圳先进技术研究院

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