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Coupled-Resonator Waveguide Filter in Quadruplet Topology With Frequency-Dependent Coupling - A Design Based on Coupling Matrix
Abstract
This letter presents an application of a recently developed coupling matrix synthesis technique to design of coupled-resonator filters with dispersive inter-resonator couplings. This technique is used to design a novel coupled-cavity bandpass filter. Measurements validate the design and confirm effectiveness of the synthesis method. The filter is a four-pole generalized Chebyshev filter with three transmission zeros. Resonators are arranged in a quadruplet configuration and employ a single dispersive cross coupling to produce an extra zero in comparison to classical approaches. Frequency-dependent coupling was realized via a rectangular waveguide iris with an incomplete height conducting post.
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
no. 22,
pages 553 - 555,
ISSN: 1531-1309 - Language:
- English
- Publication year:
- 2012
- Bibliographic description:
- Szydłowski Ł., Lamęcki A., Mrozowski M.: Coupled-Resonator Waveguide Filter in Quadruplet Topology With Frequency-Dependent Coupling - A Design Based on Coupling Matrix// IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS. -Vol. 22, nr. iss. 11 (2012), s.553-555
- Verified by:
- Gdańsk University of Technology
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