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A 2.4 to 5.4 GHz Low Power CMOS Reconfigurable LNA for Multistandard Wireless Receiver

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3 Author(s)
Chang-tsung Fu ; Nat. Chiao-Tung Univ., Hsinchu ; Chun-Lin Ko ; Chien-Nan Kuo

A CMOS reconfigurable LNA is reported. By combination of switched inductors and varactors it performs continuous frequency tuning from 2.4 to 5.4 GHz with 500 MHz 3 dB-bandwidth. Switching transistor is used to provide variable gain control over a 12 dB-range. The LNA supports standards including Bluetooth, WiMAX, UWB mode-1, 802.11 b/g and part of 802.11a. Fabricated in 0.13 um CMOS process the LNA achieves up to 25 dB power gain, 2.2 dB noise figure, -1 dBm IIP3 while consuming less than 5 mW from 1-V power supply.

Published in:

Radio Frequency Integrated Circuits (RFIC) Symposium, 2007 IEEE

Date of Conference:

3-5 June 2007