{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T09:53:40Z","timestamp":1777888420595,"version":"3.51.4"},"reference-count":22,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2015,6,24]],"date-time":"2015-06-24T00:00:00Z","timestamp":1435104000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["International Journal of RF Technologies: Research and Applications"],"published-print":{"date-parts":[[2015,6,24]]},"abstract":"<jats:p>A fully integrated passive UHF RFID tag chip compatible with ISO18000-6B protocol is presented. In order to save die area, an all CMOS transistor regulator is adopted. An NMOS based traditional Dickson rectifier is employed with the advantage of circuit simplicity. An ultra-low power ring oscillator with temperature and process compensation is designed to guarantee the accuracy of the clock, which has a direct impact on the accuracy of backscatter link frequency (BLF). By utilizing several low power design approaches, a low power baseband processor is achieved. The whole tag chip is fabricated in TSMC 0.18 \u03bcm CMOS technology and the chip size is 730 \u03bcm \u00d7 605 \u03bcm. Measurement results show that the total power consumption of the tag is about 7 \u03bcW with a sensitivity of \u221213.1\u200adBm and an operational range of about 7.5\u200am under 4\u200aW effective isotropic radiated (EIRP) power, and the accuracy of BLF is within \u00b110%. With the long operational range, the tag is suitable for many commercial applications, such as supply-chain and logistics managements as well as location sensing system.<\/jats:p>","DOI":"10.3233\/rft-150068","type":"journal-article","created":{"date-parts":[[2019,12,3]],"date-time":"2019-12-03T17:44:47Z","timestamp":1575395087000},"page":"171-184","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Design and implementation of a passive UHF RFID tag with a temperature and process compensation oscillator"],"prefix":"10.1177","volume":"6","author":[{"given":"Liangbo","family":"Xie","sequence":"first","affiliation":[{"name":"Center for RFIC and System Technology, School of Communication and Information Engineering, University of Electronic Science and Technology of China, Western Hi-Tech District, Chengdu, Sichuan, 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