A 900 MHz CMOS balanced harmonic mixer for direct conversion receivers

Z. Zhang, Z. Chen, J. Lau
RAWCON 2000. 2000 IEEE Radio and Wireless Conference (Cat. No.00EX404)  
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 inputreferred 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
more » ... point and +36 dBm second-order input intercept point. The total power consumption is about 5mW.
doi:10.1109/rawcon.2000.881894 fatcat:lf4ty5fumjh6fh7gw4b53antxe