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Partial H-plane filters with multiple transmission zeros
- Authors
- Kim, Dong-Jin; Lee, Jeong-Hae
- Issue Date
- Jul-2008
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- admittance inverter with attenuation pole; partial H-plane filter; partial H-plane waveguide; transmission zero
- Citation
- IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, v.56, no.7, pp.1693 - 1698
- Journal Title
- IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
- Volume
- 56
- Number
- 7
- Start Page
- 1693
- End Page
- 1698
- ISSN
- 0018-9480
- Abstract
- This paper presents partial H-plane filters with multiple transmission zeros using a narrow H-plane slot of open-ended evanescent waveguide. Each narrow H-plane slot operates as an admittance inverter and, simultaneously, provides the attenuation pole due to its resonance behavior at a particular frequency. Thus, the number of transmission zeros is equal to that of the H-plane slots. The filters with multiple transmission zeros are simply implemented without any additional coupling and extra modification of the filter structure. Two filters are designed by half- and quarter-wavelength resonators, respectively. The measured results are in good agreement with simulated results.
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Related Researcher
- Lee, Jeong Hae
- Engineering (Electronic & Electrical Engineering)