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A 5.7-GHz low-power and high-gain 0.18-μm CMOS double-balanced mixer for WLAN

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4 Author(s)
Liao, C.-H. ; Dept. of Electr. Eng., National Cheng Kung Univ., Tainan, Taiwan ; Chu, Y.-K. ; Huang, D.-R. ; Chuang, H.-R.

This paper presents a low-power and high-gain 5.7 GHz CMOS double-balanced mixer for an IEEE 802.11a WLAN application. The RF input frequency of the mixer is 5.725∼25GHz, LO is 5.265∼5.325GHz, IF is at 480MHz. The mixer is fabricated with the 0.18 μm 1P6M standard CMOS process. The die size is 0.627 × 0.649 mm2. The measurements are performed using an FR-4 PCB test fixture. The fabricated mixer exhibits a conversion gain of 11 dB, noise figure of 12.8dB, and input P1dB -16.4dBm. The DC consumption current is 2.0 mA/1.0 mA for the core/buffer amplifier at VDD = 1.8 V.

Published in:
Microwave Conference, 2005 European  (Volume:3 )

Date of Conference: 4-6 Oct. 2005

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