SEMICONDUCTOR INTEGRATED CIRCUITS

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

Nie Zedong, Zhang Fengjuan, Li Jie and Wang Lei

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Abstract: 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.

Key words: low-power

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    Received: 20 August 2015 Revised: 24 December 2011 Online: Published: 01 June 2012

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      Nie Zedong, Zhang Fengjuan, Li Jie, Wang Lei. Low-power digital ASIC for on-chip spectral analysis of low-frequency physiological signals[J]. Journal of Semiconductors, 2012, 33(6): 065004. doi: 10.1088/1674-4926/33/6/065004 Nie Z D, Zhang F J, Li J, Wang L. Low-power digital ASIC for on-chip spectral analysis of low-frequency physiological signals[J]. J. Semicond., 2012, 33(6): 065004. doi: 10.1088/1674-4926/33/6/065004.Export: BibTex EndNote
      Citation:
      Nie Zedong, Zhang Fengjuan, Li Jie, Wang Lei. Low-power digital ASIC for on-chip spectral analysis of low-frequency physiological signals[J]. Journal of Semiconductors, 2012, 33(6): 065004. doi: 10.1088/1674-4926/33/6/065004

      Nie Z D, Zhang F J, Li J, Wang L. Low-power digital ASIC for on-chip spectral analysis of low-frequency physiological signals[J]. J. Semicond., 2012, 33(6): 065004. doi: 10.1088/1674-4926/33/6/065004.
      Export: BibTex EndNote

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

      doi: 10.1088/1674-4926/33/6/065004
      Funds:

      Guangdong Innovation Research Team Fund for Low-cost Healthcare Technologies

      National Natural Science Foundation of China

      The National Basic Research Program of China (973 Program)

      the ‘One-hundred Talent’ and the ‘Low-cost Healthcare’ Programs of the Chinese Academy of Sciences

      • Received Date: 2015-08-20
      • Accepted Date: 2011-11-25
      • Revised Date: 2011-12-24
      • Published Date: 2012-05-22

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