Wideband Three-Way Cavity Filtering Crossover Array
- Publisher:
- IEEE
- Publication Type:
- Conference Proceeding
- Citation:
- 2021 International Applied Computational Electromagnetics Society Symposium, ACES-China 2021, Proceedings, 2021, 00, pp. 1-2
- Issue Date:
- 2021-07-28
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Wideband_Three-Way_Cavity_Filtering_Crossover_Array.pdf | Published version | 837.81 kB |
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In this paper, a 7th-order cavity filtering crossover with three intersecting channels is presented. Three fundamental modes in one cavity resonator, namely TE011, TE101, and TM110, are adopted to control three frequency channels, respectively. Each channel of proposed crossover resonates at 3 GHz with the fractional bandwidth of 24%. Due to the modal orthogonality of three fundamental modes, good isolation among channels can be easily achieved with the level of 50 dB. Finally, the proposed design can be extended into 3times 3times 3 crossover array.
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