V2EX coplanar waveguide

Coplanar Waveguide

释义 Definition

共面波导:一种微波/射频传输线结构,信号导体与两侧的接地导体位于同一平面(通常在同一层金属上),中间由缝隙隔开。常用于毫米波电路、片上互连、天线馈电与测试探针接触等场景。(该术语也常缩写为 CPW。)

发音 Pronunciation (IPA)

/koplenr wevad/

例句 Examples

A coplanar waveguide is easy to probe on a wafer.
共面波导在晶圆上很容易用探针进行测试。

We designed a 50ohm coplanar waveguide with ground to reduce radiation loss at high frequency.
我们设计了一个带接地结构的 50 欧姆共面波导,以降低高频下的辐射损耗。

词源 Etymology

coplanar 来自 *co-*(“共同、一起”)+ planar(“平面的”),字面意思是“在同一平面上的”;waveguidewave(波)+ guide(引导)构成,意为“导波结构”。合起来就是“位于同一平面上的导波传输结构”。

相关词 Related Words

文献与著作中的使用 Literary / Notable Works

  • C. P. Wen, “Coplanar Waveguide: A Surface Strip Transmission Line Suitable for Nonreciprocal Gyromagnetic Device Applications,” IEEE Transactions on Microwave Theory and Techniques, 1969.
  • David M. Pozar, Microwave Engineering(《微波工程》) 传输线与平面结构相关章节常讨论/提及 CPW。
  • E. C. Titchmarsh? (not) -> avoid. Use better: R. E. Collin, Foundations for Microwave Engineering 平面传输线与导波理论中常涉及共面结构。
  • K. C. Gupta, R. Garg, I. Bahl, P. Bhartia, Microstrip Lines and Slotlines 涵盖多种平面传输线,常包含 CPW 与其变体。
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