Coupling matrix and admittance function synthesis for mixed topology filters
Coupling matrix and admittance function synthesis for mixed topology filters
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DOI：
10.1109/tmtt.2016.2614666
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发表时间：
2016-10
期刊：
影响因子：
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通讯作者：
Yuxing He;G. Wang;Liguo Sun;G. Rushingabigwi
中科院分区：
文献类型：
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作者：
Yuxing He;G. Wang;Liguo Sun;G. Rushingabigwi
提出并演示了包含交叉耦合结构和一系列提取极段的混合拓扑滤波器耦合矩阵的直接合成技术。与传统的综合方法中逐个计算元素不同，该方法可以一次性求解正则耦合矩阵，包括所有交叉耦合和抽极耦合。直接合成是基于滤波器导纳函数构建的过程，产生混合拓扑原型，其中一个或多个提取极段在源端口自然产生。以一个六阶滤波器为例，验证了该方法的有效性。
Direct synthesis technique for coupling matrix of mixed topology filters that contain cross-coupled structures and a series of extracted-pole sections is proposed and demonstrated. Instead of evaluating elements one by one in conventional synthesis, the canonical coupling matrix, including all the cross-coupled and extracted-pole couplings, can be solved altogether one time by using the proposed technique. The direct synthesis is based on a process for the admittance function construction of a filter, yielding a mixed topology prototype where one or more extracted-pole sections are generated at the source port naturally. A sixth-order filter is carried out as an example, which verifies the validity of the proposed technique.