目录 图目录 表目录… M 摘要… …1 Abstract… …2 第一章绪论… …3 1.1研究背景… …3 1.2论文研究内容与贡献… …4 1.3论文组织结构 …4 第二章射频前端系统指标分析… …5 2.1一般系统指标分析… …5 2.1.1与噪声相关的性能指标 …5 2.1.2与非线性相关的性能指标…9 2.1.3其它指标… 2.2级联系统指标分析… …18 2.2.11dB增益压缩点级联分析 19 2.2.2线性度级联分析 20 2.2.3噪声系数级联分析… 21 2.3接收机架构的选择… 22 2.3.1接收机架构的历史演变过程 22 2.3.2零中频接收机优缺点分析 27 第三章低噪声放大器研究与设计… 29 3.1前言… 29 3.2传统低噪声放大器的结构… 29 3.2.1共栅低噪声放大器… 29 3.2.2三种共源低噪声放大器 31 3.3低噪声放大器的性能优化…。 34 3.3.1噪声优化技术… 34 3.3.2线性度优化技术… …37 3.3.3可变增益情况下输入匹配优化技术…41 3.4一种可变增益的宽带低噪声放大器设计… 43 3.4.1设计指标与整体设计考虑… 43I 目 录 图目录 ·························································································III 表目录 ························································································ VI 摘 要 ··························································································1 Abstract ·······················································································2 第一章 绪论 ·················································································3 1.1 研究背景 ···········································································3 1.2 论文研究内容与贡献····························································4 1.3 论文组织结构·····································································4 第二章 射频前端系统指标分析·························································5 2.1 一般系统指标分析·······························································5 2.1.1 与噪声相关的性能指标················································5 2.1.2 与非线性相关的性能指标·············································9 2.1.3 其它指标································································16 2.2 级联系统指标分析·····························································18 2.2.1 1 dB 增益压缩点级联分析··········································19 2.2.2 线性度级联分析·······················································20 2.2.3 噪声系数级联分析····················································21 2.3 接收机架构的选择·····························································22 2.3.1 接收机架构的历史演变过程········································22 2.3.2 零中频接收机优缺点分析···········································27 第三章 低噪声放大器研究与设计····················································29 3.1 前言 ···············································································29 3.2 传统低噪声放大器的结构····················································29 3.2.1 共栅低噪声放大器····················································29 3.2.2 三种共源低噪声放大器··············································31 3.3 低噪声放大器的性能优化····················································34 3.3.1 噪声优化技术··························································34 3.3.2 线性度优化技术·······················································37 3.3.3 可变增益情况下输入匹配优化技术·······························41 3.4 一种可变增益的宽带低噪声放大器设计··································43 3.4.1 设计指标与整体设计考虑···········································43