DC Field | Value | Language |
---|---|---|
dc.contributor.author | Jeon C. | - |
dc.contributor.author | Koo J. | - |
dc.contributor.author | Lee K. | - |
dc.contributor.author | Lee M. | - |
dc.contributor.author | Kim S. | - |
dc.contributor.author | Shin S. | - |
dc.contributor.author | Hahn S.K. | - |
dc.contributor.author | Sim J. | - |
dc.date.accessioned | 2020-02-27T00:52:56Z | - |
dc.date.available | 2020-02-27T00:52:56Z | - |
dc.date.created | 2020-01-21 | - |
dc.date.issued | 2020-04 | - |
dc.identifier.issn | 0018-9200 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/101239 | - |
dc.description.abstract | This article presents a controller IC for smart contact lens (SCL). For wireless telemetry, we propose a transmitter supporting dual-mode operations with a single external loop antenna. In the wireless-powered backscattering load-shift keying (LSK) mode, the transmitter is configured to use the antenna as an ${L}$ for magnetic resonance coupling. The transmitter switches its configuration to be an active LC oscillator circuit in the RF-radiated transmission mode. To suppress the average power consumption, a 0.2% duty cycling is applied with a controlled timing schedule while minimizing static power consumption in the sleep mode. To reduce the effect of instantaneous discharging, the period of data transmission is shortened by transmitting data with a higher rate. The designed IC is fabricated using 0.18- $\mu \text{m}$ CMOS. For in vitro verifications in both modes, an SCL is implemented by integrating the IC, a glucose sensor, a thin-film battery, a loop antenna, and a supply-regulating capacitor. The IC achieves a power consumption of 143 nW with an input dynamic range of 89 dB. | - |
dc.language | English | - |
dc.publisher | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | - |
dc.relation.isPartOf | IEEE JOURNAL OF SOLID-STATE CIRCUITS | - |
dc.title | A Smart Contact Lens Controller IC Supporting Dual-Mode Telemetry With Wireless-Powered Backscattering LSK and EM-Radiated RF Transmission Using a Single-Loop Antenna | - |
dc.type | Article | - |
dc.identifier.doi | 10.1109/JSSC.2019.2959493 | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | IEEE JOURNAL OF SOLID-STATE CIRCUITS, v.55, no.4, pp.856 - 867 | - |
dc.identifier.wosid | 000522446300003 | - |
dc.citation.endPage | 867 | - |
dc.citation.number | 4 | - |
dc.citation.startPage | 856 | - |
dc.citation.title | IEEE JOURNAL OF SOLID-STATE CIRCUITS | - |
dc.citation.volume | 55 | - |
dc.contributor.affiliatedAuthor | Jeon C. | - |
dc.contributor.affiliatedAuthor | Koo J. | - |
dc.contributor.affiliatedAuthor | Lee K. | - |
dc.contributor.affiliatedAuthor | Lee M. | - |
dc.contributor.affiliatedAuthor | Kim S. | - |
dc.contributor.affiliatedAuthor | Hahn S.K. | - |
dc.contributor.affiliatedAuthor | Sim J. | - |
dc.identifier.scopusid | 2-s2.0-85077273174 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.type.docType | Article | - |
dc.subject.keywordPlus | Timing circuits | - |
dc.subject.keywordPlus | Wireless telemetry | - |
dc.subject.keywordPlus | Lens antennas | - |
dc.subject.keywordPlus | Transmitters | - |
dc.subject.keywordPlus | Biomedical diagnosis | - |
dc.subject.keywordPlus | Dual-mode operation | - |
dc.subject.keywordPlus | Magnetic resonance couplings | - |
dc.subject.keywordPlus | smart contact lens (SCL) | - |
dc.subject.keywordPlus | Static power consumption | - |
dc.subject.keywordPlus | Ultra low power | - |
dc.subject.keywordPlus | Wireless sensor | - |
dc.subject.keywordPlus | Backscattering | - |
dc.subject.keywordPlus | Biomedical engineering | - |
dc.subject.keywordPlus | Contact lenses | - |
dc.subject.keywordPlus | Electric power utilization | - |
dc.subject.keywordPlus | Glucose sensors | - |
dc.subject.keywordPlus | Integrated circuits | - |
dc.subject.keywordPlus | Loop antennas | - |
dc.subject.keywordPlus | Magnetic resonance | - |
dc.subject.keywordPlus | Oscillators (electronic) | - |
dc.subject.keywordPlus | Telemetering equipment | - |
dc.subject.keywordAuthor | Biomedical diagnosis | - |
dc.subject.keywordAuthor | miniaturized healthcare | - |
dc.subject.keywordAuthor | smart contact lens (SCL) | - |
dc.subject.keywordAuthor | ultra-low-power telemetry | - |
dc.subject.keywordAuthor | wireless sensor. | - |
dc.relation.journalWebOfScienceCategory | Engineering, Electrical & Electronic | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
library@postech.ac.kr Tel: 054-279-2548
Copyrights © by 2017 Pohang University of Science ad Technology All right reserved.