EMC Considerations in Switching Power Supply Design
This one-day seminar covers EMC issues associated with Switch
Mode Power Supplies (SMPSs). The material is applicble to AC/DC and
DC/DC converters, as well as PCB mounted power modules. Models
developed for both the common-mode and differential-mode emission
sources within the power supply, and power line filter design is
examined. A graphical approach
to power line filter design is presented and explained.
procedures and worldwide EMC regulations are also covered.
CONDUCTED EMISSION MODELING Power Supply Noise Sources
PCB Layout Issues
Power Line Filters
Filter Layout and Mounting
Rectifier Diode Noise
Power Supply Stability
High-Frequency Output Filtering
WORLDWIDE EMC REGULATIONS North America
POWERLINE FILTER DESIGN Graphical Attenuation Method
C-M Design Example
D-M Design Example
TROUBLESHOOTING CONDUCTED-EMISSION PROBLEMS Differentiating Between C-M and D-M emission
C-M/D-M Rejection Networks
Detecting C-M Choke Saturation
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Henry Ott Consultants
48 Baker Road Livingston, NJ 07039
Phone: 973-992-1793, FAX: 973-533-1442
November 4, 2010