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논문 기본 정보

자료유형
학술저널
저자정보
Eun-Jung Yoon (Incheon National University) Min-Jae Yang (Incheon National University) Jong-Tae Park (Incheon National University) Chong-Gun Yu (Incheon National University)
저널정보
대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.16 No.3
발행연도
2016.6
수록면
255 - 260 (6page)

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초록· 키워드

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In this paper, a full-wave rectifier (FWR) with a simple vibration detector suitable for use with vibrational energy harvesting systems is presented. Conventional active FWRs where active diodes are used to reduce the diode voltage drop and increase the system efficiency are usually powered from the output. Output-powered FWRs exhibit relatively high efficiencies because the comparators used in active diodes are powered from the stable output voltage. Nevertheless, a major drawback is that these FWRs consume power from the output storage capacitor even when the system is not harvesting any energy. To overcome the problem, a technique using a simple vibration detector consisting of a peak detector and a level converter is proposed. The vibration detector detects whether vibrational energy exists or not in the input terminal and disables the comparators when there is no vibrational energy. The proposed FWR with the vibration detector is designed using a 0.35- μm CMOS process. Simulation results have verified the effectiveness of the proposed scheme. By using the proposed vibration detector, a decrease in leakage current by approximately 67,000 times can be achieved after the vibration disappears.

목차

Abstract
I. INTRODUCTION
II. CIRCUIT DESIGN
III. SIMULATION RESULTS
IV. CONCLUSIONS
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