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Article | REF: D5172 V1

Protection against disturbances - Protective components: use

Authors: Michel GRACIET, Joseph PINEL

Publication date: August 10, 1998

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2. Protection against electromagnetic pulse

2.1 Principle

  • The usual methods of protection against EMI are based on the following complementary techniques:

    • provide extensive radioelectric shielding for the equipment (Faraday cage concept), to protect against radiated effects and prevent excessive wave penetration inside the equipment;

    • minimize EMI interactions and couplings, i.e. reduce the length of cables and connecting wires, especially those located outside the equipment and therefore directly exposed to the main threat;

    • protect circuit sub-assemblies and electronic components at sensitive points, i.e. the entry points for disturbances in the form of electrical overloads created by EMI...

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