期刊
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
卷 69, 期 7, 页码 3298-3306出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMTT.2021.3072365
关键词
Isolation; multiway; n-way; power divider; wideband
资金
- National Natural Science Foundation of China [61971115, 61721001, 61571468, 61971475]
- University of Macau [MYRG2018-00073-FST, CPG2021-00003-FST]
- Macao Science and Technology Development Fund [095/2019/A2]
A novel n-way topology is proposed for designing multiway wideband filtering power dividers, which consists of n-coupled multimode resonators and resistors. The wideband filtering response is achieved by employing stub-loaded multimode resonators and shunt resistors between adjacent resonators. The frequency responses of power division and isolation are analyzed based on even-odd mode, and prototypes of three-way and four-way wideband FPDs are designed and fabricated to verify the feasibility of the proposal.
In this article, a novel n-way topology is proposed to design a class of multiway wideband filtering power dividers (FPDs). It consists of n-coupled multimode resonators and n resistors. To achieve a wideband filtering response, the stubloaded multimode resonator is first employed. A good portport isolation can then be obtained by electrically connecting the original open end of the two half-wavelength stubs of the two adjacent multimode resonators, and amounting a shunt resistor in-between the two adjacent stubs, which is allocated a quarter-wavelength away from the electrical connection point. The frequency responses of power division and isolation are analyzed based on even-odd mode, aiming to carry out theoretical analysis for wideband n-way power dividers. To verify the proposed design method, a prototype three-way wideband FPD and a four-way wideband FPD are designed and fabricated. The simulated and measured results show a good agreement from each other, thus verifying the feasibility of this proposal.
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