Table 3 Data specification for the parametric analysis.
C1 | C2 | C3 | C4 | C5 | C6 | Proposed | ||
|---|---|---|---|---|---|---|---|---|
Capacitive gap in the parallel LC structure (mm) | Upper branch | 0.8 | 0.2 | 0.2 | 0.2 | 0.2 | _ | 0.2 |
Lower branch | 0.2 | _ | 0.8 | 0.2 | 0.2 | 0.2 | 0.2 | |
Capacitive coupling in the parallel LC branch | Upper branch | yes | yes | yes | yes | yes | no | yes |
Lower branch | yes | no | yes | yes | yes | yes | yes | |
Inductive turns in parallel LC structure | Upper branch | 3 | 3 | 3 | 1 | 3 | 3 | 3 |
Lower branch | 3 | 3 | 3 | 3 | 1 | 3 | 3 | |
resonant frequency | 5.2, 8.3, 11.0 | 5.6, 6.4, 9.8 | 5.2, 8.3, 10.9 | 5.2, 10.4 | 5.3, 10.4 | 5.6, 6.5, 9.7 | 5.1, 10.4 | |
Region of Bandwidth | 4.33–5.76, 7.95–8.4, 10.0–12.1 | 4.72- 5.81, 6.2–6.9, 8.5–11.3 | 4.33–5.78, 8.29–8.31, 9.72–12.0 | 4.75–5.5, 8.9–11.7 | 4.8–5.6, 9.0–11.1 | 4.8–5.9, 6.2–6.9, 8.2–11.2 | 4.2–5.0, 8.9–11.8 | |
Covered band | C-, X-, Ku | C-, X | C-, X-, Ku | C-, X | C-, X | C-, X | C-, X |