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논문 기본 정보

저자정보
(Korea Advanced Institute of Science and Technology) (Korea Advanced Institute of Science and Technology) (Healthrian) (Healthrian) (Korean Institute of Next Generation Computing)
저널정보
대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.17 No.6
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    초록·키워드

    An ultra-low power bio-impedance sensor for wrist watch-type blood pressure monitoring system is implemented in 0.18 μm CMOS technology under 1.8 V supply. The duty-cycled current generator (DCG) enables low power and high amplitude current injection with 93.58% power reduction in a current generator block. A fast-settling readout circuit with DC balanced amplifier reduces settling time to 276 μs, allowing bio-impedance signal acquisition even when the motion artifact induced circuit transient occurs. The simulated 2.125 mm² single chip bio-impedance sensor consumes only 55.77 μW.

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      UCI(KEPA) : I410-ECN-0101-2018-569-001738053