Research Article
Dual-Band High Q-Factor Complementary Split-Ring Resonators Using Substrate Integrated Waveguide Method and Their Applications
Table 1
Performance comparisons of the recent bandpass filter with the other.
| Reference | No. of bands | Fractional bandwidth (%) | Insertion loss (dB) | Group delay (ns) | Size () |
| [3] (2-stage filter) | 1 | 3.2 | | | | [10] | 1 | 10.9 | 1.2 | 0.97 | | [11] | 1 | 10.5 | 1.45 | — | | [12] | 1 | — | 2.37 | 6.24 | | This work (first resonator) | 2 | 0.2 | 0.5 & 2.1 | 4 & 23 | (@5.3 GHz) |
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