毕业论文基于ADS的低噪声放大器设计与仿真一、实验背景和目的............................................................................................41.1低噪声放大器.........................................................................................41.1.1概念..............................................................................................41.1.2主要功能......................................................................................41.1.3主要应用领域..............................................................................51.2低噪声放大器的研究现状.....................................................................51.3本实验报告的主要研究内容和内容安排.............................................6二、低噪声放大器的原理分析与研究...............................................................72.1低噪声放大器的基本结构.....................................................................72.2低噪声放大器的基本指标.....................................................................72.2.1噪声系数......................................................................................82.2.2增益..............................................................................................92.2.3输入输出驻波比..........................................................................92.2.3反射系数......................................................................................92.2.4放大器的动态范围（IIP3）.....................................................102.3低噪声放大器设计设计的基本原则...................................................102.3.1低噪声放大管的选择原则........................................................102.3.2输入输出匹配电路的设计原则................................................10三、低噪声放大器的设计..................................................................................143.1放大器设计的主要流程.......................................................................143.2低噪声放大管的选择...........................................................................153.3稳定性计算...........................................................................................163.4输入输出匹配电路电路设计...............................................................173.5偏置电路...............................................................................................183.6电路中需要注意的一些问题...............................................................18四、设计目标......................................................................................................20五、ADS软件仿真设计和结论.........................................................................215.1ADS仿真设计......................................................................................215.1.1直流分析DCTRacing...............................................................215.1.2偏置电路的设计.........................................................................215.1.3稳定性分析.................................................................................225.1.4噪声系数园和输入匹配.............................................................225.1.5最大增益的输出匹配.................................................................255.2结论分析................................................................................................
