2、Allegro Cadence PCB設計高級
?培訓目標:
Cadence培訓高級班將首先讓您了解CB板上出現的信號反射、串擾、電源/地平面干擾、時序匹配以及電磁兼容性等一系列問題產生的機理,并掌握其解決方法;然后講解并上機練習Cadence的高速 PCB設計與仿真工具SPECCTRAQuest的使用。使您在硬件設計過程中,能夠達到“設計即正確”的目的。
培訓大綱:
1 高速PCB設計中的理論基礎
? ? 傳輸線理論、信號完整性(反射、串擾、過沖、地彈、振鈴等)、電磁兼容性和時序匹配等等。
2 SPECCTRAQuest設計流程
? ? 2.1 Pre-Placement
? ? 2.2 Board Setup Requirements for Extracting and Applying Topologies
? ? 2.3 Database Setup Advisor
? ? ? ? —Cross-Section
? ? ? ? —DC Nets
? ? ? ? —DC Voltages
? ? ? ? —Device Setup . ??—SI Models
? ? ? ? —SI Audit
3 拓撲結構的抽取與仿真 Extracting and Simulating Topologies?
? ? 3.1 Pre-Route Extraction Setup—Default Model Selection.
? ? 3.2 Pre-Route Extraction Setup—Unrouted Interconnect?
? ? 3.3 Pre-Route Template Extraction
? ? 3.4 SQ Signal Explorer Expert
? ? 3.5 Analysis Preferences
? ? 3.6 SigWave
? ? 3.7 Delay Measurements
4 確定和施加約束 Determining and Adding ConstraintsSolution?
? ? 4.1 Solution SpaceAnalysis: Step 1 to 6?
? ? 4.2 Parametric Sweeps.
? ? 4.3 Constraints
? ? 4.4 Usage of Constraints Defined in Topology Template
5 模板應用和基于約束的布局
? ? Template Applications and Constraint-Driven Placement
? ? 5.1 Creating a Topology?
? ? 5.2 Wiring the Topology
? ? 5.3 TLines and Trace Models?
? ? 5.4 Coupled Traces?
? ? 5.5 RLGC Matrix of Coupled Trace Models
? ? 5.6 Crosstalk Simulation in SQ Signal Explorer Expert?
? ? 5.7 Simulating with Coupled-Trace Models
? ? 5.8 Sweep Simulation Results with Coupled-Trace Models
? ? 5.9 Extracting a Topology Using the Constraint Manager?
? ? 5.10 Electrical Constraint Set
? ? 5.11 Applying Electrical CSet
? ? 5.12 Worksheet Analysis
? ? 5.13 Spacing and Physical Rule Sets
? ? 5.14 Electrical Rule Set
6 基于約束的布線 Constraint-Driven Routing?
? ? 6.1 Manual Routing
? ? 6.2 Routing with the SPECCTRA Smart Route
? ? 6.3 Driving Constraints in Routing
7 布線后的DRC檢查和分析 Post-Route DRC and Analysis
? ? 7.1 Post-Route Analysis
? ? 7.2 SigNoise
? ? 7.3 Reflection Simulation
? ? 7.4 Reflection Waveform Analysis
? ? 7.5 Comprehensive Simulation
? ? 7.6 Crosstalk Simulation
? ? 7.7 Crosstalk Analysis?
? ? 7.8 Simultaneous Switching Noise Simulation
? ? 7.9 SSN Waveform Analysis
? ? 7.10 System-Level Analysis?
? ? 7.11 A Complete Design Link
? ? 7.12 Initialize Design Link
8 差分信號設計 Differential Pair Design Exploration
? ? 8.1 Types of Differential Pairs in SPECCTRAQuest
? ? 8.2 Create Differential Pair Using SPECCTRAQuest
? ? 8.3 Create Differential Pair Using Constraint Manager?
? ? 8.4 Assigning Differential Pair Signal Models
? ? 8.5 Preference to Extract Unrouted Differential Pair Topology
? ? 8.6 Extracting Unrouted Differential Pair Topology
? ? 8.7 Custom Stimulus to Analyze Differential Pair Topology?
? ? 8.8 Differential Pair Topology Analysis
? ? 8.9 Coupled Trace Model and Differential Pair Topology
? ? 8.10 Layout Cross-section Editor
? ? 8.11 Differential Pair Constraints
? ? 8.12 Differential Pair Constraints in the Constraint Manager?
? ? 8.13 Differential Pair Analysis in the Constraint Manager?
? ? 8.14 Post Route Extraction
9.SI 仿真
?????9.1 時序仿真
?????9.2 差分仿真
?????9.3 反射仿真
?????9.4 Crosstalk串擾仿真
?????9.5 EMI?
10 PI 電源完整性仿真
????10.1 電源完整性工具
????10.2 電容器和單節點仿真流程
11.多板仿真
???11.1 DesinLik模型創建
???11.2 多板仿真?
12.后仿真
???12.1 反射仿真
???12.2 綜合仿真
???12.3 SSN同步開關噪聲仿真
???12.4 串擾仿真?
13.EMI/EMC仿真
???13.1 仿真要點
???13.2 仿真流程
?
14. IR-DROP電源壓降仿真
電磁兼容設計的關系 |