Low-power digital ASIC for on-chip spectral analysis of low-frequency physiological signals

A digital ASIC chip customized for battery-operated body sensing devices is presented.The ASIC incorporates a novel hybrid-architecture fast Fourier transform（FFT） unit that is capable of scalable spectral analysis,a licensed ARM7TDMI IP hardcore and several peripheral IP blocks.Extensive experiment...

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Bibliographic Details
Published inJournal of semiconductors Vol. 33; no. 6; pp. 67 - 70
Main Author 聂泽东 张凤娟 李杰 王磊
Format Journal Article
LanguageEnglish
Published 01.06.2012
Subjects
ARM7TDMI
ASIC芯片
Chips
Customizing
Digital
Fourier transforms
Power consumption
Power supplies
Semiconductors
Spectra
专用集成电路
低功耗
低频
快速傅立叶变换
生理信号
频谱分析
Online AccessGet full text
ISSN1674-4926
DOI10.1088/1674-4926/33/6/065004

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Summary:A digital ASIC chip customized for battery-operated body sensing devices is presented.The ASIC incorporates a novel hybrid-architecture fast Fourier transform（FFT） unit that is capable of scalable spectral analysis,a licensed ARM7TDMI IP hardcore and several peripheral IP blocks.Extensive experimental results suggest that the complete chip works as intended.The power consumption of the FFT unit is 0.69 mW @ 1 MHz with 1.8 V power supply.The low-power and programmable features of the ASIC make it suitable for＇on-the-fly＇ low-frequency physiological signal processing.
Bibliography:11-5781/TN
A digital ASIC chip customized for battery-operated body sensing devices is presented.The ASIC incorporates a novel hybrid-architecture fast Fourier transform（FFT） unit that is capable of scalable spectral analysis,a licensed ARM7TDMI IP hardcore and several peripheral IP blocks.Extensive experimental results suggest that the complete chip works as intended.The power consumption of the FFT unit is 0.69 mW @ 1 MHz with 1.8 V power supply.The low-power and programmable features of the ASIC make it suitable for＇on-the-fly＇ low-frequency physiological signal processing.
low-power processing-on-node spectral analysis
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ISSN:1674-4926
DOI:10.1088/1674-4926/33/6/065004