Comb-Line Filter with Coupling Capacitor in Ground Plane

Figure 12

Frequency characteristics of scattering parameters (solid line: 𝑠₁=0.1 mm and 𝑠₂=0.2 mm (without 𝐶_𝑐), dotted line: 𝑠₁=0.4 mm and 𝑠₂=0.9 mm (with 𝐶_𝑐), and dashed line: 𝑎=5.2 mm and 𝑑=1.0 mm (Figure 2)).