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High performance superconducting common resonator diplexer and analysis between isolations and topologies
Author(s) -
Lu Xilong,
Wei Bin,
Cao Bisong,
Guo Xubo,
Zhang Xiaoping
Publication year - 2015
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.29243
Subject(s) - diplexer , resonator , stopband , microwave , port (circuit theory) , electronic engineering , topology (electrical circuits) , channel (broadcasting) , network topology , physics , electrical engineering , engineering , optoelectronics , telecommunications , computer science , computer network
This letter presents a high performance superconducting common resonator diplexer design with wide stopband. The relationship between the channel isolations and diplexer topologies is investigated. The channel isolations are mostly determined by the resonators close to the output port. So under a given isolation value, some of the branch resonators far from the output port can be replaced by dual‐band resonators. The proposed common resonator diplexer has no need of the extra matching network, resulting compact size, and simple design. The two channel frequencies and bandwidths of the diplexer can be independently controlled. Measured results agree well with the simulated ones. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:1952–1956, 2015