Chin. J. Semicond. > 2006, Volume 27 > Issue 9 > 1531-1536

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Automatic IQ Phase Calibration Design in a 2.4GHz Direct Conversion Receiver

Liu Ruifeng, Li Yongming, Chen Hongyi and 王志华

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Abstract: An automatic IQ phase calibration method implemented in a 2.4GHz direct conversion receiver is proposed.It uses a delay locked loop (DLL) with a proposed quadrature phase detector to greatly reduce the phase error.The receiver is fabricated in a 0.18μm CMOS process.Measurements show that the IQ phase error can be calibrated within 1°,which satisfies the system requirement.

Key words: direct conversion receiverIQ phase calibrationCMOS processquadrature phase detector

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    Received: 18 August 2015 Revised: 02 April 2006 Online: Published: 01 September 2006

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      Liu Ruifeng, Li Yongming, Chen Hongyi, . Automatic IQ Phase Calibration Design in a 2.4GHz Direct Conversion Receiver[J]. Journal of Semiconductors, 2006, In Press. Liu R F, Li Y M, Chen H Y, Automatic IQ Phase Calibration Design in a 2.4GHz Direct Conversion Receiver[J]. Chin. J. Semicond., 2006, 27(9): 1531.Export: BibTex EndNote
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      Liu Ruifeng, Li Yongming, Chen Hongyi, . Automatic IQ Phase Calibration Design in a 2.4GHz Direct Conversion Receiver[J]. Journal of Semiconductors, 2006, In Press.

      Liu R F, Li Y M, Chen H Y, Automatic IQ Phase Calibration Design in a 2.4GHz Direct Conversion Receiver[J]. Chin. J. Semicond., 2006, 27(9): 1531.
      Export: BibTex EndNote

      Automatic IQ Phase Calibration Design in a 2.4GHz Direct Conversion Receiver

      • Received Date: 2015-08-18
      • Accepted Date: 2006-02-28
      • Revised Date: 2006-04-02
      • Published Date: 2006-10-12

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