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引用本文：

邹骥.一种Ku频段机载同轴双工器设计[J].电讯技术，2010，50（7）： - . [点击复制]
ZOU Ji.Design of a Ku band Coaxial Diplexer for Airborne Applicaions[J].，2010，50（7）： - . [点击复制]

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一种Ku频段机载同轴双工器设计
邹骥
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(成都天奥电子有限公司，成都 610036)

摘要:

为实现Ku频段双工器的小型化，以便适于对体积和重量有严格要求的机载环境使用，提出了一种Ku频段机载同轴双工器设计方法。该方法使用两个同轴带通滤波器构成双工器实现小体积，采用等效电路对带通滤波器进行设计，采用群时延拟合法利用仿真软件对T型接头尺寸进行优化设计，并给出了详细设计过程。实物测试结果表明，所设计的Ku频段同轴双工器体积仅为70 mm×29 mm×12 mm，插损小于0.9 dB，隔离大于80 dB  ，已在多个工程中得以应用。

关键词: Ku频段同轴双工器 T型接头设计方法

DOI：

基金项目:

Design of a Ku band Coaxial Diplexer for Airborne Applicaions

ZOU Ji

(Chengdu Spaceon Electronic Co. Ltd, Chengdu 610036，China)

Abstract:

A design method of Kuband coaxial diplexer is proposed in order to reduce the size of Kuband diplexer for application in aircraft. Two coaxial bandpass filters are used to compose diplexer so as to achieve the s mall size. The Ku band coaxial bandpass filters are designed using the method of equivalent circ uit and the detailed optimization process of the size of T-junction is introduce d by using microwave CAD software. The test result shows that the size is onl y 70 mm×29 mm×12 mm, the insertion loss is less than 0.9 dB, a nd the isolation is above 80 dB.The diplexer has been successfully applied in ma ny projects.

Key words: Ku band coaxial diplexer T-junction design method