节点段型高指向性微带紧耦合定向耦合器的多目标优化设计

IF 1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Microwave and Optical Technology Letters Pub Date : 2025-03-03 DOI:10.1002/mop.70162

Gongda Hu, Yuan He, Gang Wang

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引用次数: 0

摘要

提出了一种节点段型微带紧耦合定向耦合器的设计方法。NSTS通过连接分布在印刷电路板（PCB）上的自由节点之间的微带线段来配置。提出了以约束节点和个体宽度为特征的l型线段，对NSTS进行了详细的几何描述。通过对节点和线宽的最优分布进行多目标优化搜索，获得最优NSTS。为了进行演示，使用NSTS设计了一个工作在1.75 GHz的3db微带定向耦合器，尺寸紧凑。测量结果表明，在33%的工作带宽下，可获得超过36 dB的高指向性和±1 dB的幅值不平衡。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Multiobjective Optimization Design of High-Directivity Microstrip Tight-Coupling Directional Coupler With Node-Segment-Type Structure

In this paper, a novel technique for the design of microstrip tight-coupling directional coupler with node-segment-type structure (NSTS) is proposed. The NSTS is configured by connecting microstrip line segments among free nodes distributed on the print circuit board (PCB). L-shaped line segments characterized by constraint nodes and individual width are proposed for detailed geometry description of NSTS. The optimal NSTS can be acquired by implementing multiobjective optimization search for the optimal distribution of the nodes and the line widths. For demonstration, a 3-dB microstrip directional coupler working at 1.75 GHz is designed with NSTS in a compact size. The measurement indicates that high directivity over 36 dB and amplitude imbalance of < ±1 dB in an operation bandwidth of 33% can be obtained.

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来源期刊

Microwave and Optical Technology Letters 工程技术-工程：电子与电气

CiteScore

3.40

自引率

20.00%

发文量

371

审稿时长

4.3 months

期刊介绍： Microwave and Optical Technology Letters provides quick publication (3 to 6 month turnaround) of the most recent findings and achievements in high frequency technology, from RF to optical spectrum. The journal publishes original short papers and letters on theoretical, applied, and system results in the following areas. - RF, Microwave, and Millimeter Waves - Antennas and Propagation - Submillimeter-Wave and Infrared Technology - Optical Engineering All papers are subject to peer review before publication