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CMOS RF Down-Conversion Mixer Design for Low-Power Wireless Communications

Ubiquity, Volume 2008 Issue June | BY K. Faitah , A. El Oualkadi , A. Ait Ouahman 


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This paper aims to study the design of a low-power single-balanced mixer for downconversion in wireless RF receivers. The proposed circuit is designed to work at a radiofrequency of 1.9GHz using CMOS 0.18 µm technology. The obtained results show a conversion gain equal to 7 dB and low power consumption of 3.86mW at 1.8.V supply voltage. The single side band noise figure performance was founded to be 8.dB. These results show a good potential of this CMOS mixer and justify its use for low-power wireless communications.

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