宽边侧边耦合四微带传输线的频率特性
FREQUENCY CHARACTERISTICS OF BROADSIDE EDGE-COUPLED MICROSTRIP LINES
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摘要: 本文用谱域阻纳分析法研究了普遍的多层介质宽边侧边耦合多微带线的频率特性,给出了三层介质宽边侧边耦合四微带线的特性阻抗及等效介电常数的设计曲线。结果还表明该结构的偶-奇模特性阻抗Zeo随频率变化很大,当相对介电常数r较小时,变化更大。
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关键词:
- 微波技术; 耦合多微带线; 谱域法
Abstract: The frequency characteristics of multilayered broadside, edge-coupled mul-timicrostrip llines are analyzed by using spectral domain immittance approach. The design curves about characteristic impedances and effective dielectric constants are given for three-layered broadside, edge-coupled microstrip lines. It is shown that the even-odd mode impedance changes rapidly with frequency, especially when the dielectric constant r is small. -
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