Differential LC ladder LNA with proposed third-order active notch filter for UWB band group1

Author

Tsou, Yu-Lin ; Shih, Horng-Yuan ; Kuo, Chien-Nan ; Chang, Chia-Hung

Author_Institution

SoC Technol. Center, Ind. Technol. Res. Iustitude, Hsinchu, Taiwan

fYear

2009

fDate

9-11 Sept. 2009

Firstpage

511

Lastpage

515

Abstract

A proposed third-order active notch filter was developed for a LC ladder low noise amplifier (LNA) applied for UWB band group1 in standard 0.13 mum CMOS technology. The notch filter eliminated interfering signal at 5.85 GHz and improved third-order input intercept point (IIP3) by 4.7 dB under interferences of 802.11a test. The measured maximum power gain was 15.87 dB at 4488 MHz, minimum NF was 3.19 dB at 3960 MHz that performs FOM of 1.3 (/mW) and measured P1 dB was -16.82 dBm at 4488 MHz.

Keywords

CMOS integrated circuits; active filters; ladder filters; low noise amplifiers; notch filters; ultra wideband communication; CMOS technology; LNA; UWB system; differential LC ladder; frequency 3960 MHz; frequency 4488 MHz; frequency 5.85 GHz; low noise amplifier; size 0.13 mum; third-order active notch filter; third-order input intercept point; Active filters; Active noise reduction; CMOS technology; Gain measurement; Interference elimination; Low-noise amplifiers; Performance gain; Power measurement; Standards development; Testing; IIP3 improved; active notch filter; wide-band LNA;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultra-Wideband, 2009. ICUWB 2009. IEEE International Conference on

Conference_Location

Vancouver, BC

Print_ISBN

978-1-4244-2930-1

Electronic_ISBN

978-1-4244-2931-8

Type

conf

DOI

10.1109/ICUWB.2009.5288836

Filename

5288836