High-frequency planar power transformers

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 1992Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Power Electronics, volume 7, pages 607-613 (issn: 0885-8993, eissn: 1941-0107,

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Authors: M.A. Morrill; V.A. Caliskan; C.Q. Lee;

doi: 10.1109/63.145149

High-frequency planar power transformers

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Abstract

High-frequency transformer design using the transmission line transformer (TLT) is described. Utilizing transmission line circuit theory, the characteristics of the TLT for different turn ratios are given, and its advantages, including its wideband nature, are discussed. TLT prototypes with turn ratios of 2:1, 3:1, and 5:1 were designed and fabricated. The prototype test results verify the theoretical analysis and also point out the further advantage of compact size, making the TLT approach a promising transformer design alternative for use in high-frequency converters. >

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University of Illinois at Urbana Champaign
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