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Improved Performance of Radial Elliptical Low-Pass Filter for ISM Band

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Abstract

A microstrip elliptic-function Low-Pass filter (LPF) utilizing a Radial Stub (RS) is proposed having an attributes of sharp roll-off and wide rejection bandwidth. The proposed LPF is explored based on a proper ideal lumped equivalent model circuit. The proposed fabricated LPF having a cutoff frequency of 2.4 GHz are of dimension 0.505 λc × 0.217 λc (where λc is the guided wavelength at the cutoff frequency) shows a magnificent wide out of band from 3 GHz to 15 GHz at 10 dB. The filters are evaluated by design, experimental and simulation with good agreement.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, DAV Institute of Engineering & Technology, Palamau, 822102, Jharkhand, India

    Tanushree

  2. Department of Electronics and Communication Engineering, Birla Institute of Technology Mesra, Ranchi, 835215, Jharkhand, India

    Anjini Kumar Tiwary

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  1. Tanushree
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  2. Anjini Kumar Tiwary
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Correspondence to Anjini Kumar Tiwary.

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Tanushree, Tiwary, A.K. Improved Performance of Radial Elliptical Low-Pass Filter for ISM Band. J. Inst. Eng. India Ser. B 98, 477–483 (2017). https://doi.org/10.1007/s40031-017-0283-7

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  • DOI: https://doi.org/10.1007/s40031-017-0283-7

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