Table 10 Electrical parameter details for Antenna2 with respect to patch radius variations using a feedline length of 25 mm.
From: Investigation of printed slot antennas based on Euclidean geometries
Patch radius (mm) | 2 | 4 | 6 | 8 | 16 | 18 |
|---|---|---|---|---|---|---|
F1 (GHz) | 2.4 | 2.2 | 2 | 1.8 | 3 | 2.6 |
F2 (GHz) | 7.6 | 7.5 | 7.6 | 7.6 | 5.6 | 5.2 |
F3 (GHz) | … | … | … | … | 7.1 | 6.5 |
F4 (GHz) | … | … | … | … | … | 7.7 |
S11 (F1) dB | − 34 | − 28 | − 38 | − 18.5 | − 31.1 | − 13.3 |
S11 (F2) dB | − 25 | − 16.4 | − 14.2 | − 26.5 | − 16.4 | − 24.3 |
S11 (F3) dB | … | … | … | … | − 12 | − 19.5 |
S11 (F4) dB | … | … | … | … | … | − 12.8 |
BW1 (GHz) | 0.75 | 0.75 | 0.7 | 0.58 | 0.37 | 0.32 |
BW2 (GHz) | 0.73 | 0.76 | 0.77 | 0.5 | 0.36 | 0.3 |
BW3 (GHz) | … | … | … | … | 0.21 | 0.36 |
BW4 (GHz) | … | … | … | … | … | 0.14 |
