Electromagnetic compatibility (EMC) is essential for modern electronic devices, as it ensures interference-free operation and minimizes emissions. Enclosure shielding is a key element in this respect, as not only the device’s own emissions are shielded from the outside world, but also external electromagnetic interference is attenuated. The following application note provides a detailed overview of the most important aspects of enclosure shielding in relation to EMC, and cover RF emissions, ESD protection, filter and shielding attenuation, enclosure openings, cable shield connections, as well as the effects of ground potential and eddy currents. Measures for improving shielding attenuation are discussed and evaluated by measurement.
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Download: ANP139
