Abstract
An epic double band bandpass channel utilizing scratched Triangular resonator combined with microstrip resonant stubs is proposed. Etched slot is used to achieve the high performance in the proposed filter. Two orthogonal microstrip stubs work as resonators and bring the source–load coupling with good impedance matching to achieve the second passband. The proposed filter shows a simple structure, with three transmission zeros of good selectivity and good out-band rejection. The resonance frequency of dual passband at 2.4–3.2 GHz and 3.4–3.9 GHz with insertion loss of 0.8 dB and 1.5 dB is achieved with bandwidth of 800 MHz and 500 MHz.








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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by [MV], [AG], [APP]. The first draft of the manuscript was written by [MV] and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript. Conceptualization: [MV]; Methodology: [AG], Formal analysis and investigation: [MV]; Writing—original draft preparation: [MV, APP]; Writing—review and editing: APP, AG], Funding acquisition: [AG]; Resources: [MV]; Supervision: [MV].
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Mariselvam, V., Preethi, A.A.P. & Akilarasu, G. Etched Triangle Resonator Dual Band Microstrip Band Pass Filter. Wireless Pers Commun 125, 1537–1544 (2022). https://doi.org/10.1007/s11277-022-09620-2
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DOI: https://doi.org/10.1007/s11277-022-09620-2
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