Research Article
Compact Liquid Crystal Based Tunable Band-Stop Filter with an Ultra-Wide Stopband by Using Wave Interference Technique
Table 2
Comparison between the simulation and measurement results of the proposed BSF.
| | Parameters | Simulated results | Measured results |
| | Frequency (nonbiased/biased) | 4.757/4.337 GHz | 4.814/4.434 GHz | | Tuned frequency range/tunability | 0.42 GHz/9.7% | 0.38 GHz/8.6% | | Transmission (nonbiased/biased) | −53.6/−58.7 dB | −44.2/−45.8 dB | | 3 dB bandwidth/FBW | 4.73 GHz/96.8% | 4.86 GHz/96.2% | | 25 dB bandwidth/FBW | 2.54 GHz/52.6% | 2.51 GHz/51.2% |
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