Automotive EMC immunity specs strike a chord; the Big Three automakers are working together to develop a single document that will reduce the test burden on suppliers.(Automotive Electronics Test)

Evaluation Engineering, March, 2004 by Malloy, Pat; Moyer, Thomas C.

Automakers in the United States have not yet achieved harmony in their standards for radiated and conducted EMC immunity testing, but the latest revisions to specifications from Ford Motor Co. and General Motors are a big leap in that direction. The revisions simplify testing and narrow the gap between the requirements of both companies. For suppliers, this should translate into reduced test costs since the number of tests will be decreased along with the equipment and time required.

In some industries, competition and proprietary solutions have resulted in multiple, incompatible measurement specifications in which the twain only occasionally meet. Only through a long process of sometimes heated debate have universal standards been achieved.

In these...

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