Fig. 6

(a, c) Equivalent circuit models (ECMs) of the unit cells for the hollow bow-tie SSPPs-based low-pass filter and SSPP-DGS-based BPF, (b, d) the corresponding comparison of S-parameters between ECM and FEM simulation.
(a, c) Equivalent circuit models (ECMs) of the unit cells for the hollow bow-tie SSPPs-based low-pass filter and SSPP-DGS-based BPF, (b, d) the corresponding comparison of S-parameters between ECM and FEM simulation.