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用于UHF RFID标签的低功耗BLF产生电路 被引量：1

Low-power BLF genarator for the UHF RFID tag
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摘要 提出了一种反向散射链路频率生成电路,用于符合EPCTM Class1 Generation2协议的无源超高频射频识别(UHF RFID)芯片.该电路在读写器发送Query命令时生成控制信号,使积分器产生参考电压,控制弛张振荡器产生符合协议要求的反向散射链路频率.该电路采用TSMC0.18μm CMOS工艺实现.测试结果表明,在1V工作电压下功耗为0.52μW.采用该电路的UHFRFID芯片可以提高芯片工作距离以及读取速率. A novel backscatter link frequency （BLF） generator for UHF RFID transponders which meet the EPCTM Classl Generation2 protocol is presented. A control signal is generated when the reader sends the Query command. Then this signal controls an integrator generating a reference voltage which makes a relaxation oscillator output a BLF. This BLF can meet the requirements of the Gen2 protocol. The BLF generator is implemented by the TSMC 0. 18 μm CMOS process. At the end of this paper, measuremental results show that the circuit power consumption is 0. 52 μW at the 1 V operating voltage. As a result, the tag with the proposed circuit can acquire a longer read range and higher read rates.
作者 唐龙飞 庄奕琪 刘伟峰 靳钊
机构地区 西安电子科技大学宽禁带半导体材料与器件教育部重点实验室
出处 《西安电子科技大学学报》 EI CAS CSCD 北大核心 2011年第5期152-158,164,共8页 Journal of Xidian University
关键词 超高频射频识别 反向散射链路频率 低功耗 UHF RFID backscatter link frequency low power
分类号 TN43 [电子电信—微电子学与固体电子学]
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参考文献10

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二级参考文献22

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共引文献27

同被引文献7

  • 1EPC radio-frequency identify protocols Class IGeneration2 UHF RFID tag:Protocol forcommunications at 860 MHz-960 MHz [S].2005.
  • 2ZHANGY B.Error correction application of CRC inthe RFID system [C]// Proceed Int Conf Bus ManagElec Inf.Guangzhou,China.2011 ; 443-446.
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  • 5阳璞琼,何怡刚,谭阳红,邓晓,侯周国,代扬,肖迎群.超高频RFID系统CRC电路设计[J].电路与系统学报,2009,14(2):18-21. 被引量：10
  • 6范文兵,李建华,禹士鹏,房传礼,葛峥.RFID系统数据传输中CRC算法的分析与实现[J].郑州大学学报（工学版）,2010,31(2):97-101. 被引量：6
  • 7靳钊,庄奕琪,乔丽萍,刘伟峰,肖磊.满足链路时序的RFID低功耗基带处理器[J].电子测量与仪器学报,2011,25(4):355-359. 被引量：2

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西安电子科技大学学报
2011年 第5期

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