A low-power CMOS LNA for ultra-wideband wireless receivers

被引:7
作者
Lee, Yi-Ching [1 ]
Tarng, Jenn-Hwan [1 ]
机构
[1] Natl Chiao Tung Univ, Dept Commun Engn, Hsinchu 300, Taiwan
来源
IEICE ELECTRONICS EXPRESS | 2007年 / 4卷 / 09期
关键词
low noise amplifier; low power; ultra-wideband;
D O I
10.1587/elex.4.294
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, a low-power ultra-wideband (UWB) low-noise amplifier (LNA) is proposed. Here, we propose a structure to combine the common gate with band pass filters, which can reduce parasitic capacitance of the transistor and to achieve input wideband matching. The pi-section LC network technique is employed in the LNA to achieve sufficient. at gain. A bias resistor of large value is placed between the source and the body nodes to prevent body effect and reduce noise. Numerical simulation based on TSMC 0.18 mu m 1P6M process. It achieved 10.0 similar to 12.4 dB gain from 3 GHz to 10.6 GHz and 3.25 dB noise figure in 8.5 GHz, operates from 1.5 V power supply, and dissipates 3 mW without the output buffer.
引用
收藏
页码:294 / 299
页数:6
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