寬邊側邊耦合四微帶傳輸線的頻率特性
FREQUENCY CHARACTERISTICS OF BROADSIDE EDGE-COUPLED MICROSTRIP LINES
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摘要: 本文用譜域阻納分析法研究了普遍的多層介質(zhì)寬邊側邊耦合多微帶線的頻率特性,給出了三層介質(zhì)寬邊側邊耦合四微帶線的特性阻抗及等效介電常數(shù)的設計曲線。結果還表明該結構的偶-奇模特性阻抗Zeo隨頻率變化很大,當相對介電常數(shù)r較小時,變化更大。
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關鍵詞:
- 微波技術; 耦合多微帶線; 譜域法
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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