Figure 6

The structure and the numerical results: (a) the schematic diagram of coupled circuits composed of a bilateral subwavelength periodic microstrip line and a conventional microstrip line, (b) the circuit model of the coupled circuit of a periodic microstrip line and a conventional microstrip line, (c) the dependence of the mutual capacitance on frequency, (d) the dependence of the mutual inductance on frequency, (e) the change in \(S_{21}\) depending on frequency, and (f) the change in \(S_{41}\) depending on frequency.