Why Unified EME?
The unification of the various EME disciplines into a consolidated overall set of threat levels, test requirements, and techniques has long been the goal of many individuals representing both DoD and industry. The cost advantages of reduced test equipment and test time, coupled with the substantial number of reduced test requirement documents, would be a significant step forward for the EME community. Unfortunately, each of the disciplines involved has unique characteristics such that only loose groupings of certain threat types are currently possible at either the box level or at the system level. For instance, while EMC and TEMPEST have similar (but different) approaches to radiated and conducted emission problems, no such similar comparison exists between EMP and either discipline. Even overall shielding has only limited usefulness in some TEMPEST applications. Therefore, while unification within certain subsets of EME has some advantages, complete EME unification may never be possi
