A Low Power WiMAX LNA with Noise Cancellation

Jian-Ming Wu; Neng-Kai Yang; Simon. C. Li

ChinaCom2008-Wireless Communications and Networking Symposium

Research Article

A Low Power WiMAX LNA with Noise Cancellation

Cite: BibTeX Plain Text

@INPROCEEDINGS{10.1109/CHINACOM.2008.4685022,
    author={Jian-Ming Wu and Neng-Kai Yang and Simon. C. Li},
    title={A Low Power WiMAX LNA with Noise Cancellation},
    proceedings={ChinaCom2008-Wireless Communications and Networking Symposium},
    publisher={IEEE},
    proceedings_a={CHINACOM2008-WCN},
    year={2008},
    month={11},
    keywords={Low noise amplifier (LNA) noise cancellation low power WiMAX.},
    doi={10.1109/CHINACOM.2008.4685022}
}

Jian-Ming Wu
Neng-Kai Yang
Simon. C. Li
Year: 2008
A Low Power WiMAX LNA with Noise Cancellation
CHINACOM2008-WCN
IEEE
DOI: 10.1109/CHINACOM.2008.4685022

Jian-Ming Wu¹^,*, Neng-Kai Yang²^,*, Simon. C. Li²^,*

1: Department of Electronic Engineering, National Kaohsiung Normal University Kaohsiung, Taiwan, R.O.C.
2: Graduate Institute of Communication Engineering, National University of Tainan Tainan, Taiwan, R.O.C.

*Contact email: jianmingwu@nknucc.nknu.edu.tw, intel_max_ibm@yahoo.com.tw, astroboy@mail.nutn.edu.tw

Abstract

This paper presents a low noise amplifier (LNA) employing a noise cancellion technique for WiMAX applications. The design of LNA is based on the input impedance matching with noise cancellation in 0.35-µm standard SiGe BiCMOS process. The chip size is equal to 0.84 mm × 0.18 mm. The crucial simulated results include that the noise figure (NF) is below 2.1 dB in the frequency range of 2 GHz to 3 GHz, the gain is equal to 13.3 dB at 2.6 GHz, the input 1 dB compression point (IP1dB) is -11 dBm, and the input-referred third-order intercept point (IIP3) is 2.5 dBm. The power consumption is 13.2 mW from the supply voltage of 1.8 V. The NF is improved by 0.73 dB using a noise cancellation technique.

Keywords: Low noise amplifier (LNA) noise cancellation low power WiMAX.

Published: 2008-11-21
Publisher: IEEE
Modified: 2010-05-16

: http://dx.doi.org/10.1109/CHINACOM.2008.4685022