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CMOS EVEN HARMONIC SWITCHING MIXER FOR DIRECT CONVERSION RECEIVERS

RFIC Group, Center for Integrated Circuits and Systems, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore

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M. A. DO

RFIC Group, Center for Integrated Circuits and Systems, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore

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X. P. YU

RFIC Group, Center for Integrated Circuits and Systems, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore

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K. S. YEO

RFIC Group, Center for Integrated Circuits and Systems, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore

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S. JIANG

RFIC Group, Center for Integrated Circuits and Systems, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore

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, and

J. G. MA

School of Microelectronics and Solid-State Electronics, University of Electronic Science and Technology of China, Chengdu 610054, P. R. China

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https://doi.org/10.1142/S0218126606003131Cited by:2 (Source: Crossref)

Abstract

DC offset and high flicker noise are the main problems for the direct conversion CMOS mixer design. A novel even harmonic switching mixer implemented in a standard 0.18 μm CMOS process for applications in 2.45 GHz direct conversion receivers is proposed. The mixer circuit overcomes the problems of DC offset and high flicker noise. It achieves -8.24 dB gain, 5.2 dB DSB noise figure at 100 KHz, 17.25 dBm IIP3 and zero DC power consumption.

Keywords:

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