第一部分 信號完整性知識基礎(chǔ).................................................................................5第一章 高速數(shù)字電路概述.....................................................................................51.1 何為高速電路...............................................................................................51.2 高速帶來的問題及設(shè)計流程剖析...............................................................61.3 相關(guān)的一些基本概念...................................................................................8第二章 傳輸線理論...............................................................................................122.1 分布式系統(tǒng)和集總電路.............................................................................122.2 傳輸線的RLCG 模型和電報方程...............................................................132.3 傳輸線的特征阻抗.....................................................................................142.3.1 特性阻抗的本質(zhì).................................................................................142.3.2 特征阻抗相關(guān)計算.............................................................................152.3.3 特性阻抗對信號完整性的影響.........................................................172.4 傳輸線電報方程及推導(dǎo).............................................................................182.5 趨膚效應(yīng)和集束效應(yīng).................................................................................232.6 信號的反射.................................................................................................252.6.1 反射機理和電報方程.........................................................................252.6.2 反射導(dǎo)致信號的失真問題.................................................................302.6.2.1 過沖和下沖.....................................................................................302.6.2.2 振蕩:.............................................................................................312.6.3 反射的抑制和匹配.............................................................................342.6.3.1 串行匹配.........................................................................................352.6.3.1 并行匹配.........................................................................................362.6.3.3 差分線的匹配.................................................................................392.6.3.4 多負載的匹配.................................................................................41第三章 串?dāng)_的分析...............................................................................................423.1 串?dāng)_的基本概念.........................................................................................423.2 前向串?dāng)_和后向串?dāng)_.................................................................................433.3 后向串?dāng)_的反射.........................................................................................463.4 后向串?dāng)_的飽和.........................................................................................463.5 共模和差模電流對串?dāng)_的影響.................................................................483.6 連接器的串?dāng)_問題.....................................................................................513.7 串?dāng)_的具體計算.........................................................................................543.8 避免串?dāng)_的措施.........................................................................................57第四章 EMI 抑制....................................................................................................604.1 EMI/EMC 的基本概念..................................................................................604.2 EMI 的產(chǎn)生..................................................................................................614.2.1 電壓瞬變.............................................................................................614.2.2 信號的回流.........................................................................................624.2.3 共模和差摸EMI ..................................................................................634.3 EMI 的控制..................................................................................................654.3.1 屏蔽.....................................................................................................654.3.1.1 電場屏蔽.........................................................................................654.3.1.2 磁場屏蔽.........................................................................................674.3.1.3 電磁場屏蔽.....................................................................................674.3.1.4 電磁屏蔽體和屏蔽效率.................................................................684.3.2 濾波.....................................................................................................714.3.2.1 去耦電容.........................................................................................714.3.2.3 磁性元件.........................................................................................734.3.3 接地.....................................................................................................744.4 PCB 設(shè)計中的EMI.......................................................................................754.4.1 傳輸線RLC 參數(shù)和EMI ........................................................................764.4.2 疊層設(shè)計抑制EMI ..............................................................................774.4.3 電容和接地過孔對回流的作用.........................................................784.4.4 布局和走線規(guī)則.................................................................................79第五章 電源完整性理論基礎(chǔ)...............................................................................825.1 電源噪聲的起因及危害.............................................................................825.2 電源阻抗設(shè)計.............................................................................................855.3 同步開關(guān)噪聲分析.....................................................................................875.3.1 芯片內(nèi)部開關(guān)噪聲.............................................................................885.3.2 芯片外部開關(guān)噪聲.............................................................................895.3.3 等效電感衡量SSN ..............................................................................905.4 旁路電容的特性和應(yīng)用.............................................................................925.4.1 電容的頻率特性.................................................................................935.4.3 電容的介質(zhì)和封裝影響.....................................................................955.4.3 電容并聯(lián)特性及反諧振.....................................................................955.4.4 如何選擇電容.....................................................................................975.4.5 電容的擺放及Layout ........................................................................99第六章 系統(tǒng)時序.................................................................................................1006.1 普通時序系統(tǒng)...........................................................................................1006.1.1 時序參數(shù)的確定...............................................................................1016.1.2 時序約束條件...................................................................................1063.2 高速設(shè)計的問題.......................................................................................2093.3 SPECCTRAQuest SI Expert 的組件.......................................................2103.3.1 SPECCTRAQuest Model Integrity .................................................2103.3.2 SPECCTRAQuest Floorplanner/Editor .........................................2153.3.3 Constraint Manager .......................................................................2163.3.4 SigXplorer Expert Topology Development Environment .......2233.3.5 SigNoise 仿真子系統(tǒng)......................................................................2253.3.6 EMControl .........................................................................................2303.3.7 SPECCTRA Expert 自動布線器.......................................................2303.4 高速設(shè)計的大致流程...............................................................................2303.4.1 拓撲結(jié)構(gòu)的探索...............................................................................2313.4.2 空間解決方案的探索.......................................................................2313.4.3 使用拓撲模板驅(qū)動設(shè)計...................................................................2313.4.4 時序驅(qū)動布局...................................................................................2323.4.5 以約束條件驅(qū)動設(shè)計.......................................................................2323.4.6 設(shè)計后分析.......................................................................................233第四章 SPECCTRAQUEST SIGNAL EXPLORER 的進階運用..........................................2344.1 SPECCTRAQuest Signal Explorer 的功能包括:................................2344.2 圖形化的拓撲結(jié)構(gòu)探索...........................................................................2344.3 全面的信號完整性(Signal Integrity)分析.......................................2344.4 完全兼容 IBIS 模型...............................................................................2344.5 PCB 設(shè)計前和設(shè)計的拓撲結(jié)構(gòu)提取.......................................................2354.6 仿真設(shè)置顧問...........................................................................................2354.7 改變設(shè)計的管理.......................................................................................2354.8 關(guān)鍵技術(shù)特點...........................................................................................2364.8.1 拓撲結(jié)構(gòu)探索...................................................................................2364.8.2 SigWave 波形顯示器........................................................................2364.8.3 集成化的在線分析(Integration and In-process Analysis) .236第五章 部分特殊的運用...............................................................................2375.1 Script 指令的使用..................................................................................2375.2 差分信號的仿真.......................................................................................2435.3 眼圖模式的使用.......................................................................................249第四部分:HYPERLYNX 仿真工具使用指南............................................................251第一章 使用LINESIM 進行前仿真.......................................................................2511.1 用LineSim 進行仿真工作的基本方法...................................................2511.2 處理信號完整性原理圖的具體問題.......................................................2591.3 在LineSim 中如何對傳輸線進行設(shè)置...................................................2601.4 在LineSim 中模擬IC 元件.....................................................................2631.5 在LineSim 中進行串?dāng)_仿真...................................................................268第二章 使用BOARDSIM 進行后仿真......................................................................2732.1 用BOARDSIM 進行后仿真工作的基本方法...................................................2732.2 BoardSim 的進一步介紹..........................................................................2922.3 BoardSim 中的串?dāng)_仿真..........................................................................309
上傳時間: 2013-11-07
上傳用戶:aa7821634
阻抗匹配 阻抗匹配(Impedance matching)是微波電子學(xué)里的一部分,主要用于傳輸線上,來達至所有高頻的微波信號皆能傳至負載點的目的,不會有信號反射回來源點,從而提升能源效益。 大體上,阻抗匹配有兩種,一種是透過改變阻抗力(lumped-circuit matching),另一種則是調(diào)整傳輸線的波長(transmission line matching)。 要匹配一組線路,首先把負載點的阻抗值,除以傳輸線的特性阻抗值來歸一化,然后把數(shù)值劃在史密夫圖表上。 把電容或電感與負載串聯(lián)起來,即可增加或減少負載的阻抗值,在圖表上的點會沿著代表實數(shù)電阻的圓圈走動。如果把電容或電感接地,首先圖表上的點會以圖中心旋轉(zhuǎn)180度,然后才沿電阻圈走動,再沿中心旋轉(zhuǎn)180度。重覆以上方法直至電阻值變成1,即可直接把阻抗力變?yōu)榱阃瓿善ヅ洹! ∮韶撦d點至來源點加長傳輸線,在圖表上的圓點會沿著圖中心以逆時針方向走動,直至走到電阻值為1的圓圈上,即可加電容或電感把阻抗力調(diào)整為零,完成匹配.........
標簽: 阻抗匹配
上傳時間: 2013-10-20
上傳用戶:ZOULIN58
傳輸線理論與阻抗匹配 傳輸線理論
上傳時間: 2013-10-22
上傳用戶:squershop
S7-300模板規(guī)范
上傳時間: 2014-08-13
上傳用戶:pinksun9
結(jié)合已有的基于MPEG視頻流的行車障礙檢測算法,在原有基礎(chǔ)上加入檢測匹配模板,對易造成誤判的噪聲及影響正常檢測的非危險區(qū)域都有較好的處理效果。通過統(tǒng)計分析及經(jīng)驗驗證,分析得出在直行、轉(zhuǎn)彎及上下坡3種路況及不同車速下車輛正常安全行駛時的檢測閾值T。該方法能結(jié)合實際,運算量小,實驗結(jié)果較好。
上傳時間: 2013-10-19
上傳用戶:agent
快速排序模板
上傳時間: 2015-01-04
上傳用戶:Yukiseop
c++模板小實驗
上傳時間: 2015-01-06
上傳用戶:tedo811
一個演示類模板的源代碼
上傳時間: 2015-01-08
上傳用戶:cmc_68289287
在C++程序中使用Strategy模板
上傳時間: 2015-01-09
上傳用戶:xymbian
多關(guān)鍵字匹配的源碼
標簽: 源碼
上傳時間: 2013-12-28
上傳用戶:米卡
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