A Low-Power RF Front-End of Passive UHF RFID Transponders

被引：10
|
作者：
Ma, Changming [1 ]
Wu, Xingjun [1 ]
Zhang, Chun [2 ]
Wang, Zhihua [2 ]
机构：
[1] Beijing Tsinghua Tongfang Microelect Co Ltd, Beijing 100083, Peoples R China
[2] Tsinghua Univ, Inst Microelect, Beijing 100084, Peoples R China
来源：
2008 IEEE ASIA PACIFIC CONFERENCE ON CIRCUITS AND SYSTEMS (APCCAS 2008), VOLS 1-4 | 2008年
关键词：
D O I：
10.1109/APCCAS.2008.4745963
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents in details the architecture and most of RF front-end building blocks of a fully integrated passive radio frequency identification (RFID) transponder operating at UHF 902MHz to 928MHz A novel architecture for the transponder IC and a new low power on-off keying (OOK) demodulator are proposed in this paper. For realizing the system, a low power CMOS full-wave rectifier achieving a power conversion efficiency of 31.9% has been integrated in this transponder. Simulation results show that the global input power of front-end circuits is only about 21 mu w in order to drive a load of 1.8 mu A at the rectifier output and the power consumption of the proposed demodulator is less than 0.4 mu w. The transponder is fabricated in a 0.18 mu m mixed-mode CMOS technology and has the area of 0.70 mm2.
引用
收藏
页码：73 / +
页数：2
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