Electromagnetic Compatibility（EMC）Design and Test Case Analysis 2019

Electromagnetic Compatibility（EMC）Design and Test Case Analysis 2019




The majority of domestic electromagnetic capacity books have a common defect, which is the lack of connections between design and testing. The discussion of the approach and techniques of EMC design should be based on EMC testing, not only because the first challenge of EMC design is the EMC test but also because those key factors like interference source, receiving antenna, and equivalent radiated antenna, which are critical to EMC analysis, will only exist during the EMC test. Taking the conducted emission test as an example, its essence is the voltage across a resistor in the line impedance stabilization network (LISN), when the resistance is fixed, the level of conducted disturbance depends on the current passing through the LISN resistor. EMC design is to reduce the current flow through the resistor.