εr:b: mmt: umf: MHz输入线宽W，计算特征阻抗Zo：W[mm]>>>...
er h[mm] t[um] f[MHz] W[mm]>>> Zo[ohm]...
Coplanar Waveguide with Ground Calculatorers[mm]h[...
Surface Coplanar Line也可以称为Coplanar Waveguide With ...
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