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

Design and Optimization of a Superconducting Contiguous Diplexer Comprising Doubly Terminated Filters
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包含双端接滤波器的超导连续双工器的设计与优化

DOI:
10.1109/tasc.2013.2250284
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发表时间:
2013-04
影响因子:
1.8
通讯作者:
Feng, Cheng
Feng, Cheng
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Zhang, Xiaoping;Zhang, Guoyong;Song, Xiaoke;Feng, Cheng

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本文提出了一种简单有效的方法来设计包含双端接滤波器的微带连续双工器。给出了通道滤波器的等效电路,可以准确地表示通道滤波器的带内和带外特性。通过分析并适当调整通道滤波器的输入阻抗,可以轻松优化双工器的等效电路。利用该方法成功设计了S波段高温超导双工器,并在尺寸为32.6 mm×18 mm的紧凑尺寸MgO衬底上制作而成。测量结果显示出高性能并且与模拟非常吻合。
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 × 18 mm. The measured results show high performance and agree well with the simulations.
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