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Abstract
In this paper, a novel design for rectangular waveguide filters with deformed dual-mode (DM) cavity resonators is demonstrated. The new resonant cavity shape is a result of applying shape deformation to the basic rectangular cavity to enable its dual-mode operation. Internal coupling between the two orthogonal cavity modes is realized by geometry deformation, eliminating the need for additional coupling elements. The designs are developed within the constraints of 3-D printing to allow their fabrication in one piece. In addition, the design method used results in models with smooth surfaces, which is highly desirable for high-power and low-loss applications. A deformed DM cavity is analyzed and a single cavity second-order filter is designed and presented. Finally, two types of fourth-order filters with transmission zeros are designed by combining two deformed DM cavities and their performance is verified experimentally by a 3D-printed prototype.
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Authors (4)
-
Łukasz Balewski dr. inż.
- EM Invent Sp. z o.o.
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Keywords
Details
- Category:
- Conference activity
- Type:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Baranowski M., Balewski Ł., Lamęcki A., Mrozowski M.: Rectangular Waveguide Filters Based on Deformed Dual-Mode Cavity Resonators// / : , 2023,
- DOI:
- Digital Object Identifier (open in new tab) 10.23919/eumc58039.2023.10290374
- Sources of funding:
- Verified by:
- Gdańsk University of Technology
Referenced datasets
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