Tri-band superconducting bandpass filter with high selectivity

被引：14

作者：

Heng, Yong ^{[1
]}

Guo, Xubo ^{[1
]}

Cao, Bisong ^{[1
]}

Wei, Bin ^{[1
]}

Zhang, Xiaoping ^{[1
]}

Chen, Wei ^{[1
]}

Ying, Zhijun ^{[1
]}

Song, Xiaoke ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Phys, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China

来源：

ELECTRONICS LETTERS | 2013年 / 49卷 / 10期

基金：

中国国家自然科学基金;

关键词：

DESIGN;

D O I：

10.1049/el.2013.0648

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 tri-band superconducting filter at L-band comprising three high-pole single-band sub-filters with sharp band-edges is presented to meet the high selectivity requirement. Matching junctions with high-impedance branch lines are used to connect the sub-filters and to reduce the channel interactions. MgO and LaAlO3 substrates are utilised in the design and fabrication procedure to reduce the filter size and achieve a high performance. The whole filter has a compact size of 43 x 39.1 mm, and the measured results match well with the simulations.

引用

页码：658 / U54

页数：2

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