Full metadata record
DC Field | Value | Language |
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dc.contributor.author | Zhu, Yao | - |
dc.contributor.author | Zheng, Yuanjin | - |
dc.contributor.author | Gao, Yuan | - |
dc.contributor.author | Made, Darmayuda I. | - |
dc.contributor.author | Sun, Chengliang | - |
dc.contributor.author | Je, Minkyu | - |
dc.contributor.author | Gu, Alex Yuandong | - |
dc.date.available | 2017-07-11T04:43:01Z | - |
dc.date.created | 2017-04-10 | - |
dc.date.issued | 2015-04 | - |
dc.identifier.issn | 1549-8328 | - |
dc.identifier.uri | http://hdl.handle.net/20.500.11750/2601 | - |
dc.description.abstract | An energy autonomous active wireless surface acoustic wave (SAW) temperature sensor system is presented in this paper. The proposed system adopts direct temperature to frequency conversion using a lithium niobate SAW resonator for both temperature sensing and high-Q resonator core in a cross-coupled RF oscillator. This arrangement simplifies the temperature sensor readout circuit design and reduces the overall system power consumption. A power conditioning circuit based on buck-boost converter is utilized to provide high efficiency power extraction from piezoelectric energy harvester (PEH) and dynamic system power control. The SAW resonator is fabricated in-house using a two-step lithography procedure while the RF oscillator as well as the PEH power conditioning circuit are implemented in standard 65-nm and 0.18-μm CMOS processes respectively. The measured RF transmitter output power is -15 dBm with a phase noise of -99.4 dBc/Hz at 1 kHz offset, achieving a figure of merit (FOM) of -217.6 dB. The measured temperature sensing accuracy is ±0.6°C in -40°C to 120°C range. Fully powered by a vibration PEH, the proposed energy autonomous system has a self-startup voltage of 0.7 V and consumes an average power of 61.5 μW. © 2004-2012 IEEE. | - |
dc.publisher | Institute of Electrical and Electronics Engineers Inc. | - |
dc.title | An Energy Autonomous 400 MHz Active Wireless SAW Temperature Sensor Powered by Vibration Energy Harvesting | - |
dc.type | Article | - |
dc.identifier.doi | 10.1109/TCSI.2015.2402937 | - |
dc.identifier.scopusid | 2-s2.0-84926443344 | - |
dc.identifier.bibliographicCitation | IEEE Transactions on Circuits and Systems I: Regular Papers, v.62, no.4, pp.976 - 985 | - |
dc.subject.keywordAuthor | Energy autonomous | - |
dc.subject.keywordAuthor | low power | - |
dc.subject.keywordAuthor | power management | - |
dc.subject.keywordAuthor | SAW | - |
dc.subject.keywordAuthor | SAW oscillator | - |
dc.subject.keywordAuthor | temperature sensor | - |
dc.subject.keywordAuthor | vibration energy harvest | - |
dc.subject.keywordAuthor | wireless | - |
dc.subject.keywordPlus | BUCK-BOOST CONVERTER | - |
dc.subject.keywordPlus | OSCILLATOR | - |
dc.subject.keywordPlus | AMPLITUDE | - |
dc.subject.keywordPlus | VOLTAGE | - |
dc.subject.keywordPlus | SYSTEM | - |
dc.citation.endPage | 985 | - |
dc.citation.number | 4 | - |
dc.citation.startPage | 976 | - |
dc.citation.title | IEEE Transactions on Circuits and Systems I: Regular Papers | - |
dc.citation.volume | 62 | - |
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