Planar Magnetic Telecommunication Transformers

Stephen Kelly, Prof. W. G. Hurley

This project concerns itself with the analysis of planar magnetic devices compared to conventional devices, and secondly the design and manufacture of a magnetics module for use in Gigabit Ethernet system. It is shown that by using some simple design rules, the performance of a planar magnetics transformer can be superior to that of a conventional wire wound transformer. This can then be exploited for more ambitious projects, such as the design of a mangetics module. A planar magnetic magnetics module was also fabricated and tested. While its results are not as impressive as commercially available parts, it is certain that with more development the performance of the commercial parts could be equalled, if not surpassed.

Start date: 1st of September 1997. This project has been completed.

Project Publications

Conference
S. Kelly, W. G. Hurley, "Planar Pulse Transformers: Analysis and Design", 33rd Universities Power Engineering Conference, UPEC'98, Edinburgh, vol. 1, pp. 290-293, September 1998.
S. Kelly, W. G. Hurley, "Planar Pulse Transformers for Switching Circuits", 32nd Universities Power Engineering Conference, UPEC'97, UMIST, Manchester, vol. 1, pp. 503-506, September 1997.

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