A high-gain low-power 2–14 GHz ultra-wide-band CMOS LNA for wireless receivers |
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| Authors: | Soheil Ziabakhsh Hosein Alavi-Rad Mustapha CE Yagoub |
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| Affiliation: | 1. Department of Electrical Engineering, Roudsar and Amlash Branch, Islamic Azad University, Roudsar, Iran;2. Department of Electrical Engineering, Langaroud Branch, Islamic Azad University, Langaroud, Iran;3. School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, Canada |
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| Abstract: | 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 ?10 dB and a small-signal gain of 9 dB. With an input intercept point of ?3 dBm at 5 GHz, it consumes only 9 mW from a 1.5 V supply voltage. |
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