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

被引：43

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

页码：400 / 402

页数：3

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