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https://hdl.handle.net/2440/66633
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Type: | Journal article |
Title: | Planar array of electric-LC resonators with broadband tunability |
Author: | Withayachumnankul, W. Fumeaux, C. Abbott, D. |
Citation: | IEEE Antennas and Wireless Propagation Letters, 2011; 10:577-580 |
Publisher: | IEEE |
Issue Date: | 2011 |
ISSN: | 1536-1225 1548-5757 |
Statement of Responsibility: | Withayachumnankul W., Fumeaux C. and Abbott, D. |
Abstract: | A planar array of microwave electric- LC (ELC) resonators with broadband tunability of the resonance frequency is presented in this letter. An ELC resonator is typically composed of inductive loops and a capacitive gap, resonant at a wavelength much larger than its physical dimension. Here, the original resonator is modified to accommodate a varactor and its accompanying dc bias enabling resonance tunability. The wideband operation can be achieved through strategic placement of the varactor. The robustness of the response for a large array containing hundreds of the varactor-loaded resonators is considered via a sensitivity analysis. The numerical and experimental results show that the fabricated array possesses a wide tuning range of nearly 32% with no significant resonance broadening, despite the tolerance in varactor characteristics. |
Rights: | © Copyright 2011 IEEE – All Rights Reserved |
DOI: | 10.1109/LAWP.2011.2158794 |
Grant ID: | http://purl.org/au-research/grants/arc/DP1095151 |
Published version: | http://dx.doi.org/10.1109/lawp.2011.2158794 |
Appears in Collections: | Aurora harvest Electrical and Electronic Engineering publications |
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