A fabrication method for integrated filter elements with inductance cancellation
Author(s)Perreault, David J.; Neugebauer, Timothy C.; Pierquet, Brandon J.
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This paper outlines a fabrication method for integrated filter elements. An integrated filter element is a three- (or more) terminal device comprising a capacitor and coupled air-core magnetic windings, in which the magnetic windings cancel the effects of capacitor parasitic inductance. This provides greatly enhanced filtration performance over a capacitor alone. Methods for designing and forming cancellation windings are described, along with means for repeatable interconnection with the capacitor and encapsulation of the filter element. The high performance and repeatability of filter elements fabricated with the proposed method are demonstrated with several examples.
DepartmentCharles Stark Draper Laboratory; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Laboratory for Electromagnetic and Electronic Systems
IEEE Transactions on Power Electronics
Institute of Electrical and Electronics Engineers
Pierquet, B.J., T.C. Neugebauer, and D.J. Perreault. “A Fabrication Method for Integrated Filter Elements With Inductance Cancellation.” Power Electronics, IEEE Transactions on 24.3 (2009): 838-848. © 2009 IEEE.
Final published version
INSPEC Accession Number: 10586840