Conducted EMC emission model
Methodology to simulate and model PCB EMC and SI
Archive REF: E3457 V1
Conducted EMC emission model
Methodology to simulate and model PCB EMC and SI

Authors : Blaise RAVELO, Sébastien LALLÉCHÈRE

Publication date: October 10, 2022, Review date: February 29, 2024 | Lire en français

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3. Conducted EMC emission model

The EMC emission models considered in this article are represented by equivalent electrical circuits. The models are composed of the voltage or current sources introducing the noise and/or fluctuations and/or transient offsets disturbing the circuit operation. We then take into account the equivalent electrical behavior of each component that accentuates EMC noise circulation. The following paragraphs briefly describe the parameters taken into account to illustrate our method.

3.1 Emission noise

By hypothesis, the use scenario of our test circuit is assimilated to operation in a residential environment. When in use, the circuit is considered to be powered by a mains supply with an AC voltage of amplitude V AC = 220...

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