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Miniaturization of dual‐mode resonators by fractal iteration for suppression of second harmonic
Author(s) -
Hanna E.,
Jarry P.,
Kerhervé E.,
Pham J. M.
Publication year - 2007
Publication title -
international journal of rf and microwave computer‐aided engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.335
H-Index - 39
eISSN - 1099-047X
pISSN - 1096-4290
DOI - 10.1002/mmce.20195
Subject(s) - miniaturization , resonator , fractal , dual mode , harmonic , electronic engineering , microwave , mode (computer interface) , physics , optoelectronics , acoustics , computer science , engineering , electrical engineering , mathematics , mathematical analysis , quantum mechanics , operating system
Abstract We present a miniaturization technique for square dual‐mode resonators. By using the Minkowski fractal iteration it is possible to obtain compact resonators. Furthermore, the second harmonic is highly attenuated, thus enhancing the rejection in the upper band. A fourth order filter using two dual‐mode fractal resonators has been fabricated to illustrate these results. We use the suspended substrate technology to design these resonators, but the results can be extended to other technologies. © 2006 Wiley Periodicals, Inc. Int J RF and Microwave CAE, 2007.