By modeling the 2-finger FET into CPW, the on-state millimeter-wave traveling wave switches are equivalent to the step impedance band pass filter and the design procedure is obtained.

• 因为二指场效电晶体可以等效于共面波导，所以行波切换器的设计就等效于步阶阻抗低通滤波器。有关细部设计流程也包含于本论文中。