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Choi, Jaehyouk
Integrated Circuits and Systems Lab (ICSL)
Research Interests
  • RF/Analog/Mixed IC design, low power CMOS IC, wired/wireless TRX IC, clock generation IC

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Dual-mode wide-range linear CMOS interface circuit for resistive sensors

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Title
Dual-mode wide-range linear CMOS interface circuit for resistive sensors
Author
Kim, Sung-WooEom, Won-JinChoi, JaehyoukKim, Jae Joon
Issue Date
2014-10
Publisher
INST ENGINEERING TECHNOLOGY-IET
Citation
ELECTRONICS LETTERS, v.50, no.22, pp.1575 - 1577
Abstract
A dual-mode adaptive method to provide a wide-range linear sensing characteristic over various resistive sensors is presented. A high-R mode acts as a resistance-to-digital converter without an analogue-to-digital converter (ADC), and a low-R mode utilises an adaptive current source to keep the required ADC resolution below 8 bits. A prototype of the dual-mode sensor interface was fabricated in a 0.18 μm CMOS process, and its measured coverage of sensor resistance was from 750 to 1.2 Mω. The power dissipation with a 1.8 V supply was 2.6-3.1 μW in the high-R mode and 0.31-2.1 mW in the low-R mode
URI
https://scholarworks.unist.ac.kr/handle/201301/8723
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84908134852
DOI
10.1049/el.2014.1411
ISSN
0013-5194
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