Electromagnetic Interference (EMI) measures the interference or noise level that an electronic device generates and emits through its power wires (conducted EMI) or through radiated electromagnetic waves (radiated EMI). During the first half of the 20th century, the main sources of disturbance were machine motors and switching devices, but with the fast growth of semiconductor devices and power systems, noise levels increased significantly.
Jordi Salvadó, Engineering Manager at Premium PSU, offers a wide perspective about this topic to clarify why advanced design techniques are now most needed than ever.
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