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EMC Analysis with Ansys® SIwave


Description: ANSYS SIwave is a specialized hybrid, full-wave finite element solver engine which enables engineers to perform signal integrity and power integrity analysis of electronic packages and PCBs Preventing EMI and Meeting EMC Requirements Electrom


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ANSYS SIwave is a specialized hybrid, full-wave finite element solver engine which enables engineers to perform signal integrity and power integrity analysis of electronic packages and PCBs

Preventing EMI and Meeting EMC Requirements

Electromagnetic compatibility (EMC) and electromagnetic interference (EMI) tests are often performed very late in the product development cycle, using a fabricated PCB. This approach adds expense and leads to lengthy product development cycles when violations are discovered in anechoic chamber tests. Signal integrity and power integrity simulations can identify superfluous radiation within packages, PCBs and connectors. Such analysis can provide insight that leads to successful regulation compliance testing and provide engineers with electromagnetic field patterns and plane resonances — enabling solutions to existing signal integrity or power integrity problems within designs.

ANSYS electromagnetics solution allows the user to gain an understanding of:
 
Device performance characteristics under applied excitations
Visualization of the electromagnetic field in and around a device
Joule heating effects and resultant temperatures
Force distribution and resulting deformation
Key design parameters: torque, force, resistance, inductance, capacitance, impedance, S parameters and radiated fields/emissions
Course Overview
 
Agenda
1) Introduction to EMI/EMC
a. EMI/EMC issues category
b. Fundamental of Maxwell Equation
c. EMI/EMC issues and solution
d. Why EMC-Analysis?
 
2. Methodology and Techniques of EMC analysis
 
3. EMI/EMC analysis- Area of interest
a. Clock
b. Power Section
c. High Speed Signals
d. PCB Basics for EMC compliances
 
4. EMC Analysis Vs EMC Test
 
5. EMC standards
 
6. EMC Analysis
 
a. PCB EM Field:
Significance of Resonance analysis over RE test.
Debugging issue and solution techniques.
 
b. Power Section
EMC issue in Power section.
Decoupling Analysis (Power Plane Impedance Analysis)
DC Drop/ Return Path Analysis
Ground Plane and via shielding effects
 
c. Clock and Signals
EMC Issues in Clock and signals- Crosstalk, SSN
 
7. Tips and techniques for EMC analysis on various Tools.

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