Figure 5

Resonant frequencies of the quad–band filter structure given in Fig. 4(a). Solid green line and black dotted line show the CST/MWS and AWR/MWO simulation results, respectively.

Resonant frequencies of the quad–band filter structure given in Fig. 4(a). Solid green line and black dotted line show the CST/MWS and AWR/MWO simulation results, respectively.