A Compact E-Shaped Patterned Ground Structure and Its Applications to Tunable Bandstop Resonator

In this paper, an E-shaped patterned ground microstrip bandstop resonant cell is proposed. In comparison to other bandstop resonators, it provides the advantages of a high- Q factor, and a sharp transition knee within a small circuit area. This resonant cell is applied to the design of a tunable ban...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2009-03, Vol.57 (3), p.657-666
Main Authors: Shao Ying Huang, Shao Ying Huang, Yee Hui Lee, Yee Hui Lee
Format: Article
Language:English
Subjects:
Applied sciences
Banded structure
Circuit optimization
Circuit properties
Circuits
Defected ground structure
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Etching
Exact sciences and technology
Frequency
Frequency filters
Ground plane
Grounds
Knee
Metamaterials
Microstrip resonators
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwaves
Oscillators, resonators, synthetizers
patterned ground structures
Periodic structures
Resonance
Resonator filters
Resonators
slotted ground structures
tunable bandstop filters
tunable bandstop resonators
Tunable circuits and devices
Tuning
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Summary:In this paper, an E-shaped patterned ground microstrip bandstop resonant cell is proposed. In comparison to other bandstop resonators, it provides the advantages of a high- Q factor, and a sharp transition knee within a small circuit area. This resonant cell is applied to the design of a tunable bandstop resonator. Due to the unique E-shaped pattern etched in the ground plane, the proposed resonant cell is able to provide tuning function within a small circuit area.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2009.2013313