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A low-voltage, low-power direct-conversion CMOS receiver for 5GHz wireless LAN

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1 Author(s)
Chia-Wei Wu ; Inst. of Electron. Eng., Nat. Tsing Hua Univ., Hsinchu, Taiwan

This paper presents a fully integrated low-power direct-conversion receiver for 5GHz wireless application. The IC was fabricated in a 0.18-μm CMOS technology. It combines LNA, mixer, integer-N frequency synthesizer, AGC loop, and low-pass channel-select filter. A newly proposed operational amplifier that can boost 35dB in voltage gain without consuming extra power is used in the channel-select filter under low-voltage and low-power requirement. Operating with a 1.5V supply, the power consumption of this receiver is 66mW.

Published in:

ASIC, 2003. Proceedings. 5th International Conference on  (Volume:2 )

Date of Conference:

21-24 Oct. 2003