A Concurrent Dual-band Low Noise Amplifier with Gain Enhancement Topology for 2.4/5.2 GHz Applications

被引：1
|
作者：
Wei, Chun [1 ,2 ]
Zhang, Ronghua [1 ,2 ]
Xia, Zhiying [1 ,2 ]
Cheng, Kui [1 ,2 ]
Liu, Xinyu [1 ]
Luo, Weijun [1 ]
机构：
[1] Chinese Acad Sci, Inst Microelect, Beijing, Peoples R China
[2] Univ Chinese Acad Sci, Beijing, Peoples R China
来源：
INFORMACIJE MIDEM-JOURNAL OF MICROELECTRONICS ELECTRONIC COMPONENTS AND MATERIALS | 2022年 / 52卷 / 01期
关键词：
concurrent; dual-band LNA; 2.4; GHz/5.2; GHz; cascade; multi-frequencies;
D O I：
10.33180/InfMIDEM2022.102
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：
This paper presents a dual-band low-noise amplifier (LNA)operating at 2.4/5.2 GHz for wireless local area network ( WLAN) applications. The LC parallel resonance and LC series network are adopted to achieve input impedance matching and noise matching simultaneously at dual-band. Besides, a small-size capacitor with a coupled inductor is added for gain-enhancement. The simulation results show that the LNA has gains(S21) of 17.1 dB and 8.5 dB with a noise figure of 3.6 dB and 3.3 dB at 2.4 GHz and 5.2 GHz, and input return loss(S11) of -15.6 dB and -13.8 dB while output return loss(S22) of -11.7 dB and -20.7 dB at two operating frequencies, respectively. Therefore, the proposed LNA structure is an attractive alternative to WLAN applications.
引用
收藏
页码：11 / 16
页数：6
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