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Title: A 900MHz CMOS balanced harmonic mixer for direct conversion receivers
Authors: Zhang, Zhaofeng
Chen, Zhiheng
Lau, Jack
Keywords: CMOS analogue integrated circuits
Flicker noise
Radio receivers
UHF integrated circuits
UHF mixers
Issue Date: 2000
Citation: RAWCON 2000. 2000 IEEE Radio and Wireless Conference. IEEE. 2000, p. 219-22. Piscataway, NJ, USA
Abstract: A 900MHz balanced harmonic mixer for direct conversion receivers is fabricated in a 0.35 μm standard digital CMOS process. The self-mixing-induced DC offset is about 44dB lower than that of the conventional mixer. The input-referred offset is reduced to the noise level. Specific techniques on flicker noise reduction are also discussed. At 3V power supply and -15.4dBm LO power, it achieves 13 dB conversion gain, 24.5dB noise figure at 10 kHz, -10 dBm third-order input intercept point and +36 dBm second-order input intercept point. The total power consumption is about 5mW.
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