全球卫星导航系统低噪声放大器设计综述

Q3 Engineering

AIMS Electronics and Electrical Engineering Pub Date : 2021-01-01 DOI:10.3934/electreng.2021012

C. Priyanka, D. Ratnam, Sai Krishna Santosh G

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引用次数: 1

摘要

低噪声放大器(LNA)是全球导航卫星系统(GNSS)前端接收机中普遍存在的射频(RF)元件，用于将天线捕获的降级射频信号放大到所需的电平。GNSS LNA通过添加最小的噪声和失真来提高期望的信号功率，以减轻RF接收器链的后续组件添加的噪声的影响，从而提高总体信噪比(SNR)和系统的整体性能。本文探讨了各种GNSS LNA拓扑结构，以最小的功耗、低噪声系数(NF)、高增益、良好的输入输出匹配、稳定性和线性度来提高系统的整体性能。本研究成果将有助于设计一个成功的LNA，以提高GNSS接收机的性能。

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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A Review on design of low noise amplifiers for global navigational satellite system

Low noise amplifier (LNA) is a ubiquitous Radio Frequency (RF) component employed in the global navigation satellite system (GNSS) front end receiver to amplify the degraded RF signals captured by the antenna to the desired level. GNSS LNA boosts the desired signal power by adding minimal noise and distortion to mitigate the impact of noise added by subsequential components of the RF receiver chain thereby improving the overall signal-to-noise ratio (SNR) and the overall performance of the system. This paper explores the various GNSS LNA topologies that improve the system's overall performance with minimum power consumption, low noise figure (NF), high gain, good input-output matching, stability, and linearity. The outcome of this research work would help to design a successful LNA for enhancing the performance of the GNSS receiver.

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来源期刊

AIMS Electronics and Electrical Engineering Engineering-Control and Systems Engineering

CiteScore

2.40

自引率

0.00%

发文量

审稿时长

8 weeks