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A study on resonance characteristics of a microstrip open-loop resonator

✍ Scribed by Adnan Görür; Ceyhun Karpuz; Arzu Yilmaz; Kürşat Yalçin

Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
161 KB
Volume
31
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A microstrip open‐loop resonator (MOLR) is proposed for maximum miniaturization in microwave applications, and to obtain a wider upper stopband including the first spurious resonance frequency for planar bandpass filters. The effect of variation in the width of one of the longer strips of an OLR formed in two ways (namely, fixed‐gap (FG) and variable‐gap (VG) OLR) on their resonance characteristics is discussed. Also, simple empirical expressions indicating the effect of variation in the strip width are derived for estimation of the resonance frequency as a function of the variable strip width and the fundamental resonance frequency of the standard loop resonator. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 31: 177–180, 2001.

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GHz. For this reason, the spacing t was selected to be 1.0 mm for the prototype constructed here. The radiation characteristics of the constructed prototype were also studied. Figures 7 and8 plot the measured radiation patterns at the center frequencies (2442 and 5500 MHz) for the 2.4-GHz and 5.2/5