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Description / Abstract:
This guide is intended to provide a basic understanding of the
application, evaluation, and safety considerations of
electromagnetic interference (EMI) power-line filters used in both
ac and dc applications.
It includes a basic description of the construction of an EM1
power-line filter and its functions in providing suppression of
conducted noise. In addition, it provides explanations of why
seemingly identical filters may not give the same performance in a
particular application.
Finally, proper installation of these filters in equipment is
discussed.