{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,17]],"date-time":"2026-06-17T03:40:40Z","timestamp":1781667640504,"version":"3.54.5"},"reference-count":17,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2011,6,24]],"date-time":"2011-06-24T00:00:00Z","timestamp":1308873600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>New design and optimization of charge pump rectifiers using diode-connected MOS transistors is presented in this paper. An analysis of the output voltage and Power Conversion Efficiency (PCE) is given to guide and evaluate the new design. A novel diode-connected MOS transistor for UHF rectifiers is presented and optimized, and a high efficiency N-stage charge pump rectifier based on this new diode-connected MOS transistor is designed and fabricated in a SMIC 0.18-\u03bcm 2P3M CMOS embedded EEPROM process. The new diode achieves 315 mV turn-on voltage and 415 nA reverse saturation leakage current. Compared with the traditional rectifier, the one based on the proposed diode-connected MOS has higher PCE, higher output voltage and smaller ripple coefficient. When the RF input is a 900-MHz sinusoid signal with the power ranging from \u221215 dBm to \u22124 dBm, PCEs of the charge pump rectifier with only 3-stage are more than 30%, and the maximum output voltage is 5.5 V, and its ripple coefficients are less than 1%. Therefore, the rectifier is especially suitableto passive UHF RFID tag IC and implantable devices.<\/jats:p>","DOI":"10.3390\/s110706494","type":"journal-article","created":{"date-parts":[[2011,6,25]],"date-time":"2011-06-25T16:17:11Z","timestamp":1309018631000},"page":"6494-6508","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["New Analysis and Design of a RF Rectifier for RFID and Implantable Devices"],"prefix":"10.3390","volume":"11","author":[{"given":"Dong-Sheng","family":"Liu","sequence":"first","affiliation":[{"name":"Department of Electronic Science & Technology, Huazhong University of Science & Technology, Wuhan, 430074, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feng-Bo","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Electronic Science & Technology, Huazhong University of Science & Technology, Wuhan, 430074, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xue-Cheng","family":"Zou","sequence":"additional","affiliation":[{"name":"Department of Electronic Science & Technology, Huazhong University of Science & Technology, Wuhan, 430074, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yao","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Electronic Science & Technology, Huazhong University of Science & Technology, Wuhan, 430074, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xue-Mei","family":"Hui","sequence":"additional","affiliation":[{"name":"Department of Electronic Science & Technology, Huazhong University of Science & Technology, Wuhan, 430074, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiong-Fei","family":"Tao","sequence":"additional","affiliation":[{"name":"Department of Electronic Science & Technology, Huazhong University of Science & Technology, Wuhan, 430074, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2011,6,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1602","DOI":"10.1109\/JSSC.2003.817249","article-title":"Fully Integrated Passive UHF RF ID Transponder IC with 16.7 \u03bcW Minimum RF Input Power","volume":"38","author":"Karthaus","year":"2003","journal-title":"IEEE J. Solid-State Circ"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"140","DOI":"10.1109\/MCOM.2004.1321406","article-title":"Design of Ultra-Low-Cost UHF RFID Tags for Supply Chain Applications","volume":"42","author":"Glidden","year":"2004","journal-title":"IEEE Commun. Mag"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"3011","DOI":"10.1109\/JSSC.2009.2028955","article-title":"High-Efficiency Differential-Drive CMOS Rectifier for UHF RFIDs","volume":"44","author":"Koji","year":"2009","journal-title":"IEEE J. Solid-State Circ"},{"key":"ref_4","unstructured":"Radiom, S, Baghaei-Nejad, M, Vandenbosch, G, Zheng, L, and Gielen, G (, January May). Far-Field RF Powering System for RFID and Implantable Devices with Monolithically Integrated On-Chip Antenna. Anaheim, CA, USA."},{"key":"ref_5","unstructured":"Tanguay, LF, Savaria, Y, and Sawan, M (, January June). A 640 \u03bcW Frequency Synthesizer Dedicated to Implantable Medical Microsystems in 90-nm CMOS. Montr\u00e9al, Canada."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"379","DOI":"10.1109\/TBCAS.2009.2031628","article-title":"Neural WISP: A Wirelessly Powered Neural Interface with 1-m Range","volume":"3","author":"Yeager","year":"2009","journal-title":"IEEE Trans. Biomed. Circ. Syst"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"153","DOI":"10.1109\/TCSI.2006.887974","article-title":"Analysis and Design Strategy of UHF Micro-Power CMOS Rectifiers for Micro-Sensor and RFID Applications","volume":"54","author":"Yi","year":"2007","journal-title":"IEEE Trans. Biomed. Circ. Syst"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1109\/JSSC.2005.858620","article-title":"A 950-MHz Rectifier Circuit for Sensor Network Tags with 10-m Distance","volume":"41","author":"Umeda","year":"2006","journal-title":"IEEE J. Solid-State Circ"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"2771","DOI":"10.1109\/TCSI.2005.854294","article-title":"A Model for \u03bc-Power Rectifier Analysis and Design","volume":"52","author":"Curty","year":"2005","journal-title":"IEEE Trans. Biomed. Circ. Syst"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"2978","DOI":"10.1109\/TMTT.2005.854229","article-title":"Design Criteria for the RF Section of UHF and Microwave Passive RFID Transponders","volume":"53","author":"Iannaccone","year":"2005","journal-title":"IEEE Trans. Microw. Theor. Tech"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"559","DOI":"10.1109\/4.910496","article-title":"Secure Contactless Smartcard ASIC with DPA Protection","volume":"36","author":"Rakers","year":"2001","journal-title":"IEEE J. Solid-State Circ"},{"key":"ref_12","unstructured":"Zhu, Z, Jamali, B, and Peter, HC (2004). Brief Comparison of Different Rectifier Structures for HF and UHF RFID (Version 1.0), University of Adelaide. Auto-ID Lab,."},{"key":"ref_13","doi-asserted-by":"crossref","unstructured":"Jamali, B, Damith, CR, and Peter, HC Analysis of a UHF RFID CMOS Rectifier Structure and Input Impedance Characteristics. Available online: http:\/\/autoidlabs.eleceng.adelaide.edu.au\/static\/SPIE2005Brisbane.pdf (accessed on 19 April 2011).","DOI":"10.1117\/12.639592"},{"key":"ref_14","unstructured":"Nor, NHM, and Amin, N (, January December). Design and Optimization of Power Rectifiers for Passive RFID Systems in Monolithic CMOS Circuit. Selangor, Malaysia."},{"key":"ref_15","unstructured":"De Vita, G, and Iannaccone, G (, January May). Ultra Low Power RF Section of a Passive Microwave RFID Transponder in 0.35 \u03bcm BiCMOS. Kobe, Japan."},{"key":"ref_16","unstructured":"Wang, X, Jiang, BW, Che, WY, Yan, N, and Min, H (, January November). A High Efficiency AC-DC Charge Pump Using Feedback Compensation Technique. Jeju City, Korea."},{"key":"ref_17","unstructured":"Che, WY, Yang, YQ, Xu, CH, Yan, N, Tan, X, Li, Q, and Min, H (, January April). Analysis, Design and Implementation of Semi-Passive Gen2 Tag. Orlando, FL, USA."}],"container-title":["Sensors"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1424-8220\/11\/7\/6494\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T21:56:32Z","timestamp":1760219792000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1424-8220\/11\/7\/6494"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,6,24]]},"references-count":17,"journal-issue":{"issue":"7","published-online":{"date-parts":[[2011,7]]}},"alternative-id":["s110706494"],"URL":"https:\/\/doi.org\/10.3390\/s110706494","relation":{},"ISSN":["1424-8220"],"issn-type":[{"value":"1424-8220","type":"electronic"}],"subject":[],"published":{"date-parts":[[2011,6,24]]}}}