Research Article
Design of Broadband Band-Pass Filter with Cross-Coupled Line Structure
Table 1
Comparisons with some previous BPFs.
| Ref | Passband bandwidth (GHz) | −10 dB lower stopband bandwidth (GHz) | −10 dB upper stopband bandwidth (GHz) | RL (dB) | IL (dB) | Size () | Transition band (GHz) | Circuit complexity |
| [1] | 7.3 | 2.5 | 5 | 20 | 0.35 | 0.5 ∗ 0.79 | 0.5/0.7 | Simple | [6] | 0.19 | 0.4 | 0.4 | 16 | 1.28 | 0.18 ∗ 0.175 | 0.08/0.08 | Simple | [8] | 8 | 2.3 | 2.8 | 10 | 0.52 | 0.1 ∗ 0.1 | 0.15/0.15 | Complex | [9] | 4.15 | 4 | 8.5 | 15 | 1.45 | 0.5 ∗ 0.04 | 0.45/0.5 | Complex | This work | 1.8 | 2.2 | 2.0 | 15 | 0.7 | 0.12 ∗ 0.14 | 0.3/0.3 | Simple |
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Note: RL (return loss in passband); IL (insertion loss in passband); transition band is in the frequency range from −3 dB to −10 dB.
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