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The interdigital coplanar waveguide: a new low-impedance micromachinable planar structure

机译:叉指共面波导:一种新型的低阻抗微加工平面结构

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The authors describe a new type of coplanar waveguide (CPW) which we call interdigital coplanar waveguide (ICPW). ICPW has three advantages over CPW. First, ICPW can have a lower characteristic impedance for the same minimum feature size and overall line width. Second, at low impedances it can obtain reduced high-frequency resistive loss. Finally, thickening the conductor reduces the ohmic losses more rapidly in the ICPW than in the CPW. The authors present an analysis comparing CPW and ICPW, assuming a TEM mode of propagation. Calculations are performed using finite-element analysis, and volume filament and surface ribbon methods.
机译:作者介绍了一种新型的共面波导(CPW),我们将其称为叉指共面波导(ICPW)。与CPW相比,ICPW具有三个优势。首先,对于相同的最小特征尺寸和整个线宽,ICPW可以具有较低的特性阻抗。其次,在低阻抗下,它可以获得降低的高频电阻损耗。最后,与CPW相比,在ICPW中增厚导体可以更快地降低欧姆损耗。作者提出了比较CPW和ICPW的分析方法,并假设采用TEM传播方式。使用有限元分析以及体积细丝和表面带状方法进行计算。

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