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1
Ansoft High Speed Board/Package
EMI/EMC/PI Design Solution
----- EM+Circuit+System Dynamic Co-Design
Using Ansoft SIwave , Designer/Nexxim , HFSS
用全波電磁場及電路的協同模擬技術來降低及解決
用全波電磁場及電路的協同模擬技術來降低及解決用全波電磁場及電路的協同模擬技術來降低及解決
用全波電磁場及電路的協同模擬技術來降低及解決
高速高頻
高速高頻高速高頻
高速高頻PCB的
的的
的EMI問題
問題問題
問題
2
What is
What is What is
What is SIwave
SIwaveSIwave
SIwave?
??
?
• A Full-Wave FEM Field Solver
• Automatically Adaptive meshing
• 可快速/準確計算“整個”複雜多層PCB/Package結構內的
• Resonant Modes
• Voltage Distribution (under current/voltage source excitations)
• N-ports S-/Y-/Z-Parameters
• A Physical Design Capture to import
Layout/components Design
• Cadence APD/Allegro
• Mentor Board Station/Expedition/PowerPCB
• Synopsys Encore
• Zuken CR-5000 Board Designer
• Full-Wave Spice Export Equivalent Circuits for
PI/SI/SSN/SSO/Eye-Pattern Simulation
• N-Ports Touch Stone .snp file
• Full-Wave Based Spice Equivalent Model
“Complete” Multi-Layers PCB
“Complete” multi-layers BGA Package
3
Complex FCBGA/PCB for
Complex FCBGA/PCB for Complex FCBGA/PCB for
Complex FCBGA/PCB for SIwave
SIwaveSIwave
SIwave Field Solver
Field SolverField Solver
Field Solver
• Large size (30 cm by 40 cm)
Complex PCB board
• 26 metallization layers
• 6500 nets …
Multi-Layer
Flip-Chip
BGA
Structure…
4
Complex Package on Board for
Complex Package on Board for Complex Package on Board for
Complex Package on Board for SIwave
SIwaveSIwave
SIwave
Field Solver
Field SolverField Solver
Field Solver
5
Complex PCB with 30 cm x 40 cm board, 26
layers, 6500 nets, 210 Decoupling Capacitors
Fast Full
Fast FullFast Full
Fast Full-
--
-Wave FEM Field Solver
Wave FEM Field SolverWave FEM Field Solver
Wave FEM Field Solver
SIwave 2.0 on 4-GB PC
| bsm_init | 00:00:13 | 00:00:13 | 42696K | 39300 triangles |
| bsm_adapt | 00:01:42 | 00:01:42 | 197916K | 241973 triangles |
| eigen | 00:07:42 | 00:10:26 | 1945136K | 1753511 matrix |
| SIwave_2p | 00:11:05 | 00:19:52 | 2511836K | 1753511 matrix |
2.5
2.5 2.5
2.5 GB
GBGB
GB
Under 20 minutes
Under 20 minutesUnder 20 minutes
Under 20 minutes
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