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第 12 章 信号完整性分析 PowerPoint PPT Presentation


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第 12 章 信号完整性分析. 主要内容 .. 信号完整性简介 ..Protel 所提供的信号完整性分析 .. 使用 Protel 进行信号完整性分析. 12.1 信号完整性分析概述. 信号完整性(信号完整性( Signal Integrity ,简称 SI )是指在信号线上的信号质量。差的信号完整性不是由某一单一因素导致的,而是板级设计中多种因素共同引起的。主要的信号完整性问题包括反射、振铃、地弹、串扰等。。

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第 12 章 信号完整性分析

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12

12

..

..Protel

..Protel


12

12.1

  • Signal IntegritySI


12

12.1

  • ringingrounding


12

  • PCBEDAEDA

  • EDA/SISISI


12 2 dxp

12.2 DXP

  • DXPPCB

  • ProtelI/O


12 2 dxp1

12.2 DXP

  • PCBProtel


12 2 dxp2

12.2 DXP

  • Protel2004DXP

  • PCBFree Document

  • PCB


12 2 dxp3

12.2 DXP

  • 1

  • 2

  • 3

  • 4

  • 5PCB


12

12.3

  • Protel2004DXPFile\Open Project,

  • Altium2004\Examples\Reference Design\4 Port Serial Interface\4 Port Serial Interface.PrjpcbPCB


12

  • Design/Layer Stack ManagerImpedance Calculation


12

  • Design/RulesSignal IntegritySignal StimulusSignal StimulusNew ruleSignal Stimulus


12

  • Supply NetNew RuleSupplynetsVoltage0RuleVoltage5OK


12

  • Tools\Signal IntegrityModel Assignments


12


12

  • 1U1Status

  • 2Type

  • 3Technology

  • 4IBISImport IBISIBIS

  • 5OK


12

  • Update Models in Schematic

  • Analyze DesignAnalyze Design


12


12

  • TXBDetails


12

  • TXB


12

  • Reflections


12

  • TXB_U1.13_NoTerm,Cursor ACursor BSim Data


12

  • 11Serial Res1825125Perform SweepSweep steps10Reflections1917PCB


12

  • 11RTSBTXBSet Aggressor2021


12

  • Crosstalk22


12

  • 6

  • a.

  • b.

  • c.

  • d. PCB

  • e.

  • f. 3W3

  • g. ESR


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