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Current-Reused Ultra Low Power, Low Noise LNA {+} Mixer

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4 Author(s)
Viet Hoang Le ; u-Radio Lab., Korea Adv. Inst. of Sci. & Technol., South Korea ; Seok-Kyun Han ; Jeong-Seon Lee ; Sang-Gug Lee

A current-reused ultra low power, low flicker noise direct-conversion low noise amplifier (LNA)+ mixer architecture is proposed. Measurements of the proposed LNA+mixer applied for 2.4 GHz Zigbee system using 0.18 mum CMOS technology shows 21 dB voltage gain, 6 dB noise figure, and approximately 300 KHz flicker noise corner frequency while dissipating 0.9 mA from a 1.8 V supply.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:19 ,  Issue: 11 )