Table 9 Electrical properties of Antenna4 topology using a feedline length as a parameter.
From: Investigation of printed slot antennas based on Euclidean geometries
Feed length (mm) | F1 (GHz) | F2 (GHz) | F3 (GHz) | S11 (F1) dB | S11 (F2) dB | S11 (F3) dB | BW1 (GHz) | BW2 (GHz) | BW3 (GHz) |
|---|---|---|---|---|---|---|---|---|---|
15 | 5.4 | 7.7 | … | − 17.7 | − 26.8 | … | 0.46 | 0.62 | … |
17 | 2.7 | 5 | 7.4 | − 18.2 | − 20 | − 29.3 | 0.38 | 0.6 | 0.64 |
19 | 2.5 | 4.7 | 7.2 | − 18.3 | − 19 | − 23.2 | 0.41 | 0.58 | 0.65 |
25 | 4.3 | 7.8 | … | − 28.3 | − 21 | … | 0.47 | 0.48 | … |
35 | 4.7 | 7.7 | … | − 22.7 | − 26 | … | 0.4 | 0.33 | … |
