... wide band of frequencies, they are used to provide direct-current isolation, signal splitting and combining functions, specific current or voltage ratios, impedance matching, and phase inversion. The Institute of Electrical and Electronics Engineers,... Power Transformers: Principles and Applications - Page 1by John Winders - 2002 - 304 pagesLimited preview
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Mac E. Van Valkenburg - Technology & Engineering - 2002 - 1672 pages
...Institute of Electrical and Electronics Engineers, Inc. (IEEE) has defined a transformer as follows: "A static device consisting of a winding, or two or...coupled windings, with or without a magnetic core, for introducing mutual coupling between circuits. Note: Transformers are extensively used in electric power...