Dual-mode band pass filters | Centre frequency (GHz) | Fractional bandwidth (%) | Insertion loss (dB) | Q-factor |
[21] | 2.41 | 4.50 | 1.38 | 151 |
[22] | 2.40 | 12.50 | 0.39 | 182 |
[23] | 14.42 | 2.64 | 2.60 | 146 |
[24] | 5.00 | 4.00 | 0.70 | 322 |
Dual-mode SIW cavity | 9.08 | 4.95 | 0.43 | 414 |
EBG-SIW resonator | 9.12 | 4.38 | 1.18 | 179 |
CSRR-SIW resonator | 8.66 | 2.54 | 0.55 | 640 |