EMC and EMI in HFSS EMC / EMI in HFSS v8 Jim Sherman Ansoft Applications Engineer East Coast 1 Summary w What is EMC / EMI ? Practical Examples: w w Trace over split in ground plane (HFSS EMI Wizard) Heatsink Emissions (HFSS Eigenmode Analysis) EMI from shielding enclosures (HFSS user Exercise) w w Will be available as download or disk: Listing of EMI Wizard macro Complete EMI exercise 2 EMC/EMI ? w EMC - ElectroMagnetic Compatibility w Ability of equipment to function without error in it’s intended EM environment w EMI - ElectroMagnetic Interference w EM emissions from the equipment that interfere with normal operation of other equipment EM Disturbance Level Immunity Limit EMC Margin Emission Limit Equipment Frequency 3 Three Elements of the EMC Problem EM Source Path Conducted (……