Table 11 Electrical details of Antenna4 topology with respect to patch radius variations using a feedline length of 17 mm.
From: Investigation of printed slot antennas based on Euclidean geometries
Patch radius (mm) | 2 | 4 | 6 | 8 | 10 | 12 |
|---|---|---|---|---|---|---|
F1 (GHz) | 7 | 7 | 7 | 5.5 | 2.7 | 2.3 |
F2 (GHz) | … | … | … | 7.8 | 5 | … |
F3 (GHz) | …. | …… | …… | …… | 7.3 | … |
S11 (F1) dB | − 23.6 | − 21.3 | − 21.3 | − 24.3 | − 17.5 | − 28 |
S11 (F2) dB | … | … | … | − 21.1 | − 20 | … |
S11 (F3) dB | … | … | … | … | − 29.3 | … |
BW1 (GHz) | 3.13 | 3.13 | 3.13 | 0.92 | 0.33 | 0.35 |
BW2 (GHz) | … | … | 0.98 | 0.62 | … | |
BW3 (GHz) | … | … | … | 0.65 | … |
