Appendix 11

Screening

The following information on screening is reproduced by courtesy of Laird Technologies Ltd, from their Materials Design Manual.

The need to control EMC

The result of failure to achieve EMC can range from mild annoyance through serious disruption of legitimate activities, to health and safety hazards. The security of information being processed by electronic means is a vital commercial and military interest, often referred to by the word TEMPEST. The electrical signals corresponding to the information may leak, by radiation or conduction, from the processing equipment and be intercepted by suitable sensitive receiving equipment.

Automotive electronics has extended, for example, into engine management and antiskid braking ...

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