NDLI: Low Power Frequency-Shift Keying Demodulators for Biomedical Implants

Content Provider	IEEE Xplore Digital Library
Author	Ro-Min Weng Shu-Ya Li Jing-Chyi Wang
Copyright Year	2007
Description	Author affiliation: Nat. Dong Hwa Univ., Hualien (Ro-Min Weng; Shu-Ya Li; Jing-Chyi Wang)
Abstract	This Low power frequency-shift keying (FSK) demodulators are presented for the biomedical implants. Two FSK demodulators are designed with different concepts. The analog FSK (A-FSK) demodulator is composed of a single balance mixer, a square wave generator, a charge pump circuit, and a comparator to achieve the demodulation. The other digital FSK (D-FSK) demodulator employs only one block which the output signals for stimulating can be obtained simply and directly. Both demodulators are implemented by tsmc 1P6M CMOS process at IV supply voltage. A-FSK demodulator occupies chip area of 0.016 $mm^{2}$ . The data rate is 2.5Mbps while receiving 2.5MHz/5MHz FSK carrier signals. While receiving 5MHz/10MHz FSK carrier signals, the data rate of the D-FSK demodulator is up to be 5Mbps. The D-FSK demodulator occupies $0.004mm^{2}.$ The power consumption of the A-FSK and D-FSK demodulators are 0.47mW and 0.022mW, respectively.
Starting Page	1079
Ending Page	1082
File Size	4172205
Page Count	4
File Format	PDF
ISBN	9781424406364
DOI	10.1109/EDSSC.2007.4450315
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-20
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency shift keying Demodulation Implants Clocks Signal processing Low voltage Ring oscillators Counting circuits Amplitude shift keying Amplitude modulation
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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