NDLI: A low power analog front-end (AFE) circuit dedicated for driving bio-electrochemical sensors and peripheral devices

Content Provider	IEEE Xplore Digital Library
Author	Wei-Jhe Ma Ching-Hsing Luo Hong-Yi Huang
Copyright Year	2012
Description	Author affiliation: Grad. Inst. of Electr. Eng., Nat. Taipei Univ., Taipei, Taiwan (Hong-Yi Huang) \|\| Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan (Wei-Jhe Ma; Ching-Hsing Luo)
Abstract	This work describes a biomedical signal acquisition system using wireless power circuit for bio-electrochemical signal acquisition. The proposed system contains a near-field wireless powering circuit based on 13.56MHz at ISM (industrial, scientific, and medical) band, a low power analog front-end (AFE) circuit dedicated for driving bio-electrochemical sensors, and peripheral devices. The AFE integrated circuit with wireless powering is designed using a 0.18μm 1P6M CMOS process with a core area of 1.383×1.103 $mm^{2}.$ The AFE achieves a common-mode rejection ratio of 140dB at 10Hz and power consumption of 11.33μW. The carrier frequency for wireless power transmission is 13.56MHz. The simulation result shows that the wireless power could provide 1mA output current at 1.8V dc output voltage. The peripheral device includes a microcontroller unit (MCU) and a radio frequency (RF) transceiver that could process and transmit the acquired bio -electrochemical signal to computer for data display or storage. The main objective of this proposed system is to make bio-electrochemical signal acquisition quickly and conveniently.
Sponsorship	Circuits & Syst. Soc.
Starting Page	120
Ending Page	123
File Size	1278626
Page Count	4
File Format	PDF
ISBN	9781467322911
e-ISBN	9781467322935
e-ISBN	9781467322928
DOI	10.1109/BioCAS.2012.6418405
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-28
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Regulators Power demand Rectifiers Random access memory Electroencephalography
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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