A high-gain low-power 2-14 GHz ultra-wide-band CMOS LNA for wireless receivers

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• 作者：Soheil Ziabakhsh^a ; ^{s.ziabakhsh@iauroudsar-amlash.ac.ir}  ; [Author Vitae] ; Hosein Alavi-Rad^b ; ^{alavi@iaul.ac.ir}  ; [Author Vitae] ; Mustapha C.E. Yagoub^c ; ^{myagoub@site.uottawa.ca}  ; [Author Vitae]
• 关键词：LNA ; UWB ; CMOS
• 刊名：AEU - International Journal of Electronics and Communications
• 出版年：2012
• 期刊代码：1_14348411
• 类别：cp
• 出版时间：September, 2012
• 卷：66
• 期：9
• 页码：727-731
• 文件大小：611 K

摘要

In this paper, a 2-14 GHz CMOS LNA for ultra-wide-band (UWB) wireless systems is presented. To achieve a good and flat high power gain along with a low noise figure and a high input return loss, the proposed LNA adopts a capacitive cross-coupling common-gate (CG) topology with extra cascaded transistors and inductance. Over the entire 2-14 GHz bandwidth, it exhibits a return loss less than 鈭?0 dB and a small-signal gain of 9 dB. With an input intercept point of 鈭? dBm at 5 GHz, it consumes only 9 mW from a 1.5 V supply voltage.