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DC Field | Value | Language |
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dc.citation.endPage | 2443 | - |
dc.citation.number | 6 | - |
dc.citation.startPage | 2432 | - |
dc.citation.title | IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | - |
dc.citation.volume | 68 | - |
dc.contributor.author | Choi, Subin | - |
dc.contributor.author | Park, Chan Sam | - |
dc.contributor.author | Chae, Hee Young | - |
dc.contributor.author | Oh, Byungjoo | - |
dc.contributor.author | Lee, Jongmin | - |
dc.contributor.author | Kwon, Yeong Min | - |
dc.contributor.author | Bail, Jeong Min | - |
dc.contributor.author | Shin, Heungjoo | - |
dc.contributor.author | Kim, Jae Joon | - |
dc.date.accessioned | 2023-12-21T15:45:31Z | - |
dc.date.available | 2023-12-21T15:45:31Z | - |
dc.date.created | 2021-03-19 | - |
dc.date.issued | 2021-06 | - |
dc.description.abstract | This article presents a wide-dynamic-range multi-sensor readout interface for portable environmental monitoring systems with two-step self-optimization schemes. It proposes two-step self-optimization methods of adaptive range detection and coarse self-cancelation (CSC) for current-type sensor interfaces, and range-based path control and current DAC-based correlated double sampling (CDS) for resistive sensing interfaces. Their digital conversions are provided by two kinds of high-resolution ADCs, namely, an incremental Delta Sigma current detector and a two-step SAR- Delta Sigma ADC. The proposed ROIC prototype is fabricated in a 180-nm CMOS process, achieving a dynamic range (DR) of 136.5 dB and 160.9 dB, and a maximum SNR of 109.8 dB and 108.6 dB for current and resistance detection, respectively. For system-level feasibility, an environmental monitoring system prototype based on the ROIC is also manufactured and functionally verified by integrating two kinds of in-house microelectro-mechanical systems (MEMS) sensor devices, the MCU, and the Bluetooth module, supporting wireless air quality and water pollution monitoring capabilities. | - |
dc.identifier.bibliographicCitation | IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS, v.68, no.6, pp.2432 - 2443 | - |
dc.identifier.doi | 10.1109/TCSI.2021.3065503 | - |
dc.identifier.issn | 1549-8328 | - |
dc.identifier.scopusid | 2-s2.0-85103297680 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/50569 | - |
dc.identifier.url | https://ieeexplore.ieee.org/document/9381517 | - |
dc.identifier.wosid | 000655248200013 | - |
dc.language | 영어 | - |
dc.publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | - |
dc.title | A Wide Dynamic Range Multi-Sensor ROIC for Portable Environmental Monitoring Systems With Two-Step Self-Optimization Schemes | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Engineering, Electrical & Electronic | - |
dc.relation.journalResearchArea | Engineering | - |
dc.type.docType | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordAuthor | Environmental monitoring | - |
dc.subject.keywordAuthor | multi-sensor | - |
dc.subject.keywordAuthor | ROIC | - |
dc.subject.keywordAuthor | electrochemical | - |
dc.subject.keywordAuthor | semiconductor-type | - |
dc.subject.keywordAuthor | current sensing | - |
dc.subject.keywordAuthor | resistance sensing | - |
dc.subject.keywordAuthor | Delta Sigma current detector | - |
dc.subject.keywordAuthor | self-optimization | - |
dc.subject.keywordPlus | GAS SENSORS | - |
dc.subject.keywordPlus | CMOS | - |
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