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Low power consumption and high gain ultra-wide-band low noise amplifier

✍ Scribed by Shou-Chien Huang; Cheng-Hsiu Tsai; Yue-Ming Hsin

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
150 KB
Volume
51
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A low power consumption and high gain ultra‐wide‐band (UWB) low noise amplifier (LNA) utilizing a common‐gate stage connected with a common‐source stage by using current‐reused structure is proposed. The implemented LNA exhibits a maximum power gain of 14.2 dB with a total (core) power consumption of 7.2 mW (3.8 mW) under a 1.5 V power supply. A minimum noise figure of 4.1 dB was obtained within 3‐dB bandwidth of 2.7–8.2 GHz. The proposed UWB LNA presents the highest ratio of the power gain to power consumption among the compared papers. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 382–384, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24047

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