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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 會議論文  >  A High-Efficiency ASK Demodulator with On-Chip Power Regulator for Wireless Data and Power Transmission in Biomedical Implantable Applications


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/70668


    Title: A High-Efficiency ASK Demodulator with On-Chip Power Regulator for Wireless Data and Power Transmission in Biomedical Implantable Applications
    Authors: Chen-Hua Kao;Kea-Tiong Tang
    教師: 鄭桂忠
    Date: 2009
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: 2009 International Symposium on Bioelectronics and Bioinformatics (ISBB2009), Melbourne, Australia, 9-11 December, 2009
    Keywords: High-Efficiency
    ASK
    Demodulator
    Wireless Data
    Power Transmission
    Biomedical Implantable Applications
    Abstract: Bio-implantable systems have developed to possess a wireless power and data transmission structure. As a result, many wireless bio-implantable systems use a power regulator and ASK demodulator. For the design of ASK demodulator, higher modulation rate results in higher data transmission efficiency, and a lower modulation index results in higher power transmission efficiency. This study presents a receiver circuit that contains a high efficient ASK demodulator structure with an on-chip power regulator for biomedical implantable systems. This design has been fabricated and tested in TSMC 0.18- m 1P6M CMOS technology.

    Measurement results show that the proposed ASK demodulator structure has a minimum modulation index as low as 4.05% and a maximum 50% modulation rate at 2MHz carrier frequency. The modulation index is also tunable for different applications. The power regulator provides a stable 1.8V for chip power.
    Relation Link: http://search.informit.com.au/documentSummary;dn=242322772826911;res=IELENG
    http://www.ieee.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/70668
    Appears in Collections:[電機工程學系] 會議論文

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