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J. Semicond. > 2008, Volume 29?>?Issue 7?> 1403-1406

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Design of a Modulator and Demodulator for UHF RFID Readers

Gao Tianbao, Wang Jingchao, Zhang Chun, Li Yongming and Wang Zhihua

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Abstract: This paper presents a modulator and a demodulator designed for UHF RFID readers.The proposed circuits are designed and implemented in a 0.18μm CMOS technology and measurement shows that the modulator has an input 1dB compression point of 14dBm,insertion loss of 1.17dB,and isolation of 33dB.The demodulator has an input 1dB compression point of 5dBm,noise figure of 9dB,and voltage conversion gain of 4.9dB,which is negative in the conventional structure.Neither dissipates DC power.

Key words: RFID, reader, modulator, demodulator

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    Received: 18 August 2015 Revised: 08 January 2008 Online: Published: 01 July 2008

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      Gao Tianbao, Wang Jingchao, Zhang Chun, Li Yongming, Wang Zhihua. Design of a Modulator and Demodulator for UHF RFID Readers[J]. Journal of Semiconductors, 2008, 29(7): 1403-1406. ****Gao T B, Wang J C, Zhang C, Li Y M, Wang Z H. Design of a Modulator and Demodulator for UHF RFID Readers[J]. J. Semicond., 2008, 29(7): 1403.
      Citation:
      Gao Tianbao, Wang Jingchao, Zhang Chun, Li Yongming, Wang Zhihua. Design of a Modulator and Demodulator for UHF RFID Readers[J]. Journal of Semiconductors, 2008, 29(7): 1403-1406. ****
      Gao T B, Wang J C, Zhang C, Li Y M, Wang Z H. Design of a Modulator and Demodulator for UHF RFID Readers[J]. J. Semicond., 2008, 29(7): 1403.

      Design of a Modulator and Demodulator for UHF RFID Readers

      • Institute of Microelectronics,Tsinghua University,Beijing 100084,China

      • Institute of Microelectronics,Tsinghua University,Beijing 100084,China

      • Institute of Microelectronics,Tsinghua University,Beijing 100084,China

      • Institute of Microelectronics,Tsinghua University,Beijing 100084,China

      • Institute of Microelectronics,Tsinghua University,Beijing 100084,China

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      國家高技術(shù)研究發(fā)展計(jì)劃

      • Received Date: 2015-08-18
      • Accepted Date: 2007-12-04
      • Revised Date: 2008-01-08
      • Published Date: 2008-08-01

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