EMC内部培训资料
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ELECTROMAGNETIC COMPATIBILITY
Electromagcompat1.doc
ELECTROMAGNETIC COMPATIBILITY
February 2002
REMINDERS
DIFFERENTIAL MODE
DM signal transmission (to and from isolated wires)
DM disturbance : if two wires are close to each other
but far from a disturbance source ,
DM disturbance may be neglected .
DM measurement
COMMON MODE
CM signal transmission
(the return signals flow on a common conductive path)
CM disturbance : the disturbance is shared by
every conductor in the same direction
and the total return takes place in the ground
The ground is a dustbin for Icm
Electromagcompat1.doc
ELECTROMAGNETIC COMPATIBILITY
February 2002
REMINDERS
DIFFERENTIAL MODE
DM signal transmission (to and from isolated wires)
DM disturbance : if two wires are close to each other
but far from a disturbance source ,
DM disturbance may be neglected .
DM measurement
COMMON MODE
CM signal transmission
(the return signals flow on a common conductive path)
CM disturbance : the disturbance is shared by
every conductor in the same direction
and the total return takes place in the ground
The ground is a dustbin for Icm
关键词： ELECTROMAGNETIC COMPATIBILITY
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