A flat gain low noise amplifier for 1.8 to 4GHz wide band wireless receivers

M. Meloui, I. Akhchaf, H. Setti, M. Charif, M. Essaaidi
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Abstract

This paper presents a design technique for a low-noise amplifier for the 1.8–4 GHz ultra wideband (UWB) wireless receivers. The LNA uses a circuit topology consisting of one gain stage with series inductor feedback using ATF technology and it is operated at 1 V. The noise figure of this LNA varies from 3 to 1.5 dB, and its gain is very flat 10 dB throughout frequency band spanning from 1.8 to 4 GHz. These results were obtained using Agilent ADS commercial simulator and confirmed with Ansoft designer utilizing ATF-10136 amplifier technology.
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一种用于1.8至4GHz宽带无线接收器的平坦增益低噪声放大器
提出了一种用于1.8-4 GHz超宽带无线接收机的低噪声放大器的设计方法。LNA采用由一个增益级和采用ATF技术的串联电感反馈组成的电路拓扑结构,工作电压为1v。该LNA的噪声系数在3至1.5 dB之间变化,其增益在1.8至4 GHz的整个频段内非常平坦,为10 dB。这些结果使用安捷伦ADS商用模拟器获得,并使用Ansoft设计器使用ATF-10136放大器技术进行验证。
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