Dual-Band Superconducting Bandpass Filter Using Stub-Loaded Resonators With Controllable Coupling and Feeding Structures

被引：42
|
作者：
Heng, Yong [1 ]
Guo, Xubo [1 ]
Cao, Bisong [1 ]
Wei, Bin [1 ]
Zhang, Xiaoping [1 ]
Zhang, Guoyong [2 ]
Song, Xiaoke [1 ]
机构：
[1] Tsinghua Univ, Dept Phys, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China
[2] Sino Superconductor Technol Ltd, Beijing 100085, Peoples R China
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2013年 / 23卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Terms-Dual-band bandpass filter (BPF); high-temperature superconducting (HTS); microstrip; stub-loaded resonator (SLR); PASSBAND RESPONSE; DESIGN; BANDWIDTHS;
D O I：
10.1109/LMWC.2013.2269040
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A four-pole dual-band bandpass filter is designed with stub-loaded resonators and dual-feeding structure. The stub-loaded resonator generates two resonant modes, and the interstage couplings between the resonators at the two modes can be controlled independently. A dual-feeding structure is proposed to meet the required external couplings of the two passbands simultaneously. The filter is successfully designed and fabricated on a MgO substrate with a compact size of 29.2 mm x 13.8 mm. The measured results show high performance and agree well with the simulations.
引用
收藏
页码：400 / 402
页数：3
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