IEICE Electronics Express
Online ISSN : 1349-2543
A compact dual-band bandpass filter using microstrip meander loop and square loop resonators
Sholeh Jahani MalekiMassoud Dousti
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2012 Volume 9 Issue 16 Pages 1342-1348

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Abstract

A compact dual-band bandpass filter using loop resonators is proposed in this paper. The filter is designed for resonance frequencies of 1.8GHz and 2.4GHz. It is fabricated on RT/Duroid 6010 with h = 1.27mm and a relative dielectric constant εγ = 10.8. This filter has achieved excellent scattering parameters and size reduction of approximately 30% compared to conventional microstrip filters. The measured fractional bandwidths are 1.66% and 3.54% at 1.8GHz and 2.4GHz, respectively. The filter is evaluated by simulation and measurement with very good agreement.

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© 2012 by The Institute of Electronics, Information and Communication Engineers
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