Performance Analysis of Multiband Bandpass Filtrer With Dumbell Shaped Defect in Ground Plane
Keywords:
Multiband Bandpass Filter, Hairpin Resonator, Return Loss.Abstract
A multiband band pass filter with dumbell shaped defects in ground plane is designed and its performance is analyzed in this paper. The designed filter exhibits improved performance and good selectivity. The filter shows a return loss of -12dB at 5.0 GHz, -23.5 dB at 5.7 GHz, and -24.9 dB at 6.5GHz while the insertion losses at these frequencies are -0.01dB, -0.001dB, and -0.001dB respectively.
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