Design and Optimization of a Superconducting Contiguous Diplexer Comprising Doubly Terminated Filters

被引：15

作者：

Heng, Yong ^{[1
]}

Guo, Xubo ^{[1
]}

Cao, Bisong ^{[1
]}

Wei, Bin ^{[1
]}

Zhang, Xiaoping ^{[1
]}

Zhang, Guoyong ^{[2
]}

Song, Xiaoke ^{[1
]}

Feng, Cheng ^{[1
]}

机构：

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

[2] Sinosuperconductor Technol Ltd, Beijing 100085, Peoples R China

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2013年 / 23卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Diplexer; equivalent circuit; high-temperature superconducting (HTS); multiplexer; optimization;

D O I：

10.1109/TASC.2013.2250284

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：

This paper presents a simple and efficient method for the design of a microstrip contiguous diplexer comprising doubly terminated filters. The equivalent circuit for the channel filters is presented, which can accurately represent both the in-band and out-of-band characteristics of the channel filters. By analyzing and properly adjusting the input impedance of the channel filters, the equivalent circuit of the diplexer can be easily optimized. A high-temperature superconducting diplexer at S-band is successfully designed with this method and fabricated on a MgO substrate with a compact size of 32.6 mm x 18 mm. The measured results show high performance and agree well with the simulations.

引用

页数：6

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