SPECCTRAQuest电源完整性设计指导.rar

电源完整性(PI)设计指导 第1 章 简介......................................................1 1.1 面临的挑战：高速PCB 设计中的电源完整性问题（PI）..................................................1 1.2 解决方法:SPECCTRAQuest Power Integrity .............................................................................1 1.3 SPECCTRAQuest Power Integrity 工作流程............................................................................1 1.4 SPECCTRAQuest Power Integrity 模块的使用.........................................................................2 第2 章 电源平面分析的准备工作.......................................4 2.1 使用设置向导....................................................................................................................................4 2.1.1 调用设置向导..............................................................................................................................4 2.2 板框......................................................................................................................................................5 2.3 Stack-up...............................................................................................................................................6 2.4 DC Net/Plane Association ................................................................................................................8 2.5 DC Power Pair Setup.........................................................................................................................9 2.6 库安装...............................................................................................................................................10 2.6.1 选择一个去耦电容库................................................................................................................10 2.6.2 选择一个去耦电容....................................................................................................................10 2.6.3 调整一个去耦电容....................................................................................................................11 2.6.4 内在电感...................................................................................................................................12 2.6.5 安装电感...................................................................................................................................13 第3 章 电源完整性设计与分析.........................................14 3.1 电源平面目标阻抗..........................................................................................................................14 3.2 单结点仿真......................................................................................................................................14 3.2.1 概述.........................................................................................................................................14 3.2.2 运行单结点仿真........................................................................................................................15 3.2.3 关于工作表的处理Working in the worksheet ..........................................................................16 3.3 分析Analysis...................................................................................................................................16 3.3.1 波形分析...................................................................................................................................16 3.4 报告....................................................................................................................................................18 3.5 多节点仿真......................................................................................................................................19 3.5.1 网格化电源平面......................................................................................................................19 3.5.2 分析属性.................................................................................................................................20 3.5.3 布置元件...................................................................................................................................21 3.5.4 放置电压调节模块VRM..........................................................................................................21 3.5.5 Placing Noise Sources ................................................................................................................21 3.5.6 Placing Decoupling Capacitors...................................................................................................22 3.5.7 布局前操作..............................................................................................................................23 3.5.8 Post-Placement Operations .........................................................................................................24 3.5.9 Crossprobing..............................................................................................................................24 第4 章 临时封装....................................................25 4.1 概述................................................................................................................................. 25 4.2 建立临时表贴封装.......................................................................................................... 25 4.3 Creating Temporary Leaded Packages............................................................................. 26 第5 章 电压调节模块VRM ..............................................27 5.1 Working with the Voltage Regulator Module .................................................................. 27 5.2 VRM 编辑器.....................................................................................................................

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