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2017-03-10
Metamaterial Tri-Band Bandpass Filter Using Meander-Line with Rectangular-Stub
By
Progress In Electromagnetics Research Letters, Vol. 66, 121-126, 2017
Abstract
In this paper, a new compact tri-band bandpass metamaterial (MTM) filter based on meander line with a rectangular stub is proposed and designed. The pseudo connections between meander line and ports generate interdigital capacitor (IDC) to provide series capacitance. Meander line a rectangular stub is plotted. The proposed filter offers measured first passbands from 1.88-4.0 GHz; second band starts from 5.4-5.9 GHz; third passband ranges from 7.1-7.4 GHz. It has insertion losses of 0.8 dB, 1.5 dB and 2.0 dB at 2.1GHz, 5.7 GHz and 7.3 GHz centre frequencies, respectively. The designed filter will cover S band (2-4 GHz), ISM band (5.725-5.875) and fixed satellite services (7.25-7.3 GHz). Further, the designed filter shows electrical size of 0.14λ0 × 0.13λ0 at zeroth order resonance (ZOR) frequency 2.1 GHz.
Citation
Ashish Kumar, Dilip Kumar Choudhary, and Raghvendra Kumar Chaudhary, "Metamaterial Tri-Band Bandpass Filter Using Meander-Line with Rectangular-Stub," Progress In Electromagnetics Research Letters, Vol. 66, 121-126, 2017.
doi:10.2528/PIERL16123103
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