J. Semicond. > 2008, Volume 29 > Issue 9 > 1734-1739

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A 1.8V CMOS Direct Conversion Receiver for a 900MHz RFID Reader Chip

Tan Xi, Liu Yuan, Lu Lei, Yuan Lu, Yang Zhenyu, Zhou Jiaye, Han Kefeng and Min Hao

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Abstract: A direct conversion receiver with optimized tolerance to local carrier interference is designed and implemented in a 0.18μm 1P6M mixed-signal CMOS process for a 900MHz RFID reader transceiver.A baseband amplifier with series feedback topology is proposed to achieve passive mixer buffering,baseband DC cancellation,and signal amplification simultaneously.The receiver has a measured input 1dB compression point of -4dBm and a sensitivity of -70dBm when 10dB SNR for digital demodulation is required.The receiver is integrated in a reader transceiver chip and consumes 90mA from a 1.8V supply.

Key words: direct conversion receiverDC cancellationreaderRFID

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    Received: 18 August 2015 Revised: 05 May 2008 Online: Published: 01 September 2008

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      Tan Xi, Liu Yuan, Lu Lei, Yuan Lu, Yang Zhenyu, Zhou Jiaye, Han Kefeng, Min Hao. A 1.8V CMOS Direct Conversion Receiver for a 900MHz RFID Reader Chip[J]. Journal of Semiconductors, 2008, In Press. Tan X, Liu Y, Lu L, Yuan L, Yang Z Y, Zhou J Y, Han K F, Min H. A 1.8V CMOS Direct Conversion Receiver for a 900MHz RFID Reader Chip[J]. J. Semicond., 2008, 29(9): 1734.Export: BibTex EndNote
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      Tan Xi, Liu Yuan, Lu Lei, Yuan Lu, Yang Zhenyu, Zhou Jiaye, Han Kefeng, Min Hao. A 1.8V CMOS Direct Conversion Receiver for a 900MHz RFID Reader Chip[J]. Journal of Semiconductors, 2008, In Press.

      Tan X, Liu Y, Lu L, Yuan L, Yang Z Y, Zhou J Y, Han K F, Min H. A 1.8V CMOS Direct Conversion Receiver for a 900MHz RFID Reader Chip[J]. J. Semicond., 2008, 29(9): 1734.
      Export: BibTex EndNote

      A 1.8V CMOS Direct Conversion Receiver for a 900MHz RFID Reader Chip

      • Received Date: 2015-08-18
      • Accepted Date: 2008-02-17
      • Revised Date: 2008-05-05
      • Published Date: 2008-09-03

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