A Low Power LNA using Current Reused Technique for UWB Application

Dhananjaya Tripathy, D. Nayak, S. Biswal, S. Swain, Biswajit Baral, S. K. Das
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Abstract

Here in this paper the design of a low power low noise amplifier (LNA) is presented which works for very wideband of frequency known as UWB signals. This method uses current reused technique which helps in reducing the power consumption while maintaining the same conversion gain and NF. No inductor is used in this circuit which reduces the complexity. Here a power gain of 12.6 dB, a NF of 2.1 dB at 3.5 GHz and 8.5 GHz is achieved, while consuming very less power nearly 7.6mW. It is clear from the observations that this technique solves the major problem of power consumption that was present in the previously existing techniques.
基于电流复用技术的低功耗LNA在超宽带中的应用
本文设计了一种适用于超宽带信号的低功率低噪声放大器(LNA)。该方法采用电流重用技术,有助于降低功耗,同时保持相同的转换增益和NF。该电路不使用电感器,降低了电路的复杂性。该系统的功率增益为12.6 dB,在3.5 GHz和8.5 GHz时的NF为2.1 dB,同时功耗仅为7.6mW。从观察中可以清楚地看出,该技术解决了先前现有技术中存在的主要功耗问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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