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    题名: Magnetic-field-to-digital converter using PWM and TDC techniques
    作者: 郭建宏;Kuo, Chien-hung;Chen, Shr-lung;Liu, Shen-iuan
    贡献者: 淡江大學電機工程學系
    日期: 2006-07
    上传时间: 2010-03-26 20:59:17 (UTC+8)
    出版者: Stevenage:Institution of Engineering and Technology (IET)
    摘要: A high resolution magnetic-field-to-digital converter (MDC) is presented. It is composed of a magnetic-field-to-pulse width converter (MPC), a cyclic pulse-shrinking time-to-digital converter (TDC) and a polarity detector. This prototype circuit has been fabricated in a 0.5μm CMOS DPDM process. With a clock rate of 16.6 kHz, the power consumption is 42.5 mW under 5 V supply voltage. The equivalent resolution less than 16μT can be achieved within the range of 710 mT. After off-line calibration, the remaining offset is 0.017 mT and its gain error is smaller than 0.4%.
    關聯: IEE Proceedings-Circuits, Devices and Systems 153(3), pp.247-252
    DOI: 10.1049/ip-cds:20045168
    显示于类别:[電機工程學系暨研究所] 期刊論文


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