4 - Shielding for EMC - Updated Jan 2021

Provides 2 hours towards CPD

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4 - Shielding for EMC - Updated Jan 2021 image #1

This module is designed to help engineers what is shielding for EMC and how best to implement it. It also talks about the case for ensuring that any issue are addressed as early in the products assembly process as possible.

The module is 145 slides over 73 pages


  1. Economic issues for shielding
  2. Shielding with metal plates (image planes)
  3. How shielded enclosures work
  4. DC and low frequency shielding
  5. The problems caused by apertures
  6. The problems caused by box resonances
  7. The problems caused by conductor penetrations
  8. Shields in the near field of a source
  9. RF-bonding with multiple metal bonds or conductive gaskets
  10. Waveguides-below-cutoff
  11. Shielding of displays
  12. Shielding of ventilation
  13. Shielding of plastic enclosures
  14. Preventing corrosion at shielding joints
  15. D-I-Y testing SE before its hardware or software are ready
  16. Shielding with 'clamshell' enclosures
  17. Some free SE calculators and useful reference 



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