Complementary shielding protection
Electromagnetic shielding

These are shielded cables in which the primary cable insulation is given absorbent properties by the addition of materials with moderate electrical conductivity.

The cable behaves like a low-pass filter whose transfer function depends on the cable's size and physical composition. The cut-off frequency is generally above 10 MHz.

The filtering cable is often covered with a medium-performance shield, combining the reducing action of the transfer impedance and the attenuation of the interference generated during its propagation inside the cable.

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