Research Article
Design of a Suspended Stripline Narrow Bandpass Filter with Ultrawideband Harmonic Suppression
Table 1
Performance comparison of the proposed filter with the previously developed harmonic-suppressed NBPFs.
| Ref. | Center freq (GHz) | Fractional bandwidth (%) | Insertion loss (dB) | Harmonic suppression |
| [1] | 1.5 | 7 | 1.4 | 22 dB up to | [2] | 1.92 | 8 | 0.75 | 20 dB up to | [3] | 1.63 | 9 | 0.66 | 25 dB up to | [4] | 2.0 | 3.3 | 2.9 | 20 dB up to | [5] | 1.9 | 4 | 2.5 | 20 dB up to | This work | 0.75 | 5 | 0.9 | 22 dB up to |
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