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EMC (Shielding (Reflection (Happens when you meet new intrinsic resistance…
EMC
Shielding
Apertures in shields
Reflection
Energy reflected by shielding material
Happens when you meet new intrinsic resistance
so if you go from air --> metal --> air, you get 2 refractions at entrance and exit
Absorption
Energy lost to the shielding material
Transmission
Energy passed through shielding material
Plane waves
assumption that shield only varies in direction of propegation
Nonideal components
Capacitor
Resistor
Inductor
Leads
Models
Transmission lines
Reflections
Electrical dimensions
Lumped element circuit model
Electrical dimensions
Maxwell
Couplling
Magnetic field coupling
Transformers
twisted wires
Mutual inductance
Shielding
Electric field coupling
Differnet grounding
Shielding
EMI
Conducted emissions
Radiated emissions
Equipment
LISN
EMI receiver
Filtering
Poles & zeros
bode plot
Grounding
Antennas
Balancing
Near field
Far field
Fourier