| Citation: |
Liu Ruifeng, Li Yongming, Chen Hongyi, 王志华. Automatic IQ Phase Calibration Design in a 2.4GHz Direct Conversion Receiver[J]. Journal of Semiconductors, 2006, 27(9): 1531-1536.
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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.
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Automatic IQ Phase Calibration Design in a 2.4GHz Direct Conversion Receiver
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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. -
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