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Design of compact low pass filter with wide stop band using tri-section stepped impedance resonator

Packiaraj, D and Vinoy, KJ and Ramesh, M and Kalghatgi, AT (2011) Design of compact low pass filter with wide stop band using tri-section stepped impedance resonator. In: Archiv für Elekronik und Übertragungstechnik (AEÜ) / International Journal of Electronics and Communications, 65 (12). pp. 1012-1014.

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Official URL: http://dx.doi.org/10.1016/j.aeue.2011.03.018


This paper reports the design of a compact low pass filter (LPF) with wide stop band region using trisection stepped impedance resonators in microstrip medium. Experimental results of a low pass filter designed at 1 GHz have been compared against the analytical and EM simulation results for the validation of the design. Results are satisfactorily matching each other. The maximum insertion of the measured filter is 0.2 dB and minimum return loss is 13.5 dB over the pass band. The stop band rejection is better than 20 dB from 1.5 GHz to 4.2 GHz and hence wide stop band performance is achieved. Overall size of the filter is 30 mm x 20 mm x 0.78 mm which is 0.1 lambda x 0.066 lambda. x 0.0026 lambda at 1 GHz. (C) 2011 Elsevier GmbH. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Filter; Low pass;Microstrip;Stepped impedance resonator
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Depositing User: Id for Latest eprints
Date Deposited: 09 Dec 2011 07:09
Last Modified: 09 Dec 2011 07:09
URI: http://eprints.iisc.ac.in/id/eprint/42645

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