Planar dual-mode wideband antenna using short-circuited-strips loaded slotline radiator: Operation principle, design, and validation
Lu W.-J.2; Zhu L.1
2015
Source PublicationInternational Journal of RF and Microwave Computer-Aided Engineering
ISSN1099047X 10964290
Volume25Issue:7Pages:573-581
Abstract

A novel dual-mode planar wideband slotline antenna is proposed. A pair of short-circuited strips is symmetrically introduced along the slotline resonator near the nulls of electric field distribution of the second odd-order resonant mode. In this way, two resonant modes are excited in a single slotline radiator and are both used for radiation in a wide frequency range. With the help of these paired strips, the dominant half-wavelength mode can be gradually moved to the three halves-wavelength mode, resulting to achieve a wideband radiation with two resonances. Prototype antennas are then fabricated to experimentally validate the principle and design approach of the proposed planar slotline antenna. It is shown that the proposed slotline antenna's impedance bandwidth could be effectively increased to 37.6% while keeping its inherent narrow slot configuration with length-to-width ratio (LWR) up to 42.00.

KeywordDual-mode Planar Antenna Short Circuited Strip Slotline Antenna Wideband Antenna
DOI10.1002/mmce.20895
URLView the original
Indexed BySCI
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Interdisciplinary Applications ; Engineering, Electrical & Electronic
WOS IDWOS:000359862600003
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Citation statistics
Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Universidade de Macau
2.Nanjing University of Post and TeleCommunications
Recommended Citation
GB/T 7714
Lu W.-J.,Zhu L.. Planar dual-mode wideband antenna using short-circuited-strips loaded slotline radiator: Operation principle, design, and validation[J]. International Journal of RF and Microwave Computer-Aided Engineering,2015,25(7):573-581.
APA Lu W.-J.,&Zhu L..(2015).Planar dual-mode wideband antenna using short-circuited-strips loaded slotline radiator: Operation principle, design, and validation.International Journal of RF and Microwave Computer-Aided Engineering,25(7),573-581.
MLA Lu W.-J.,et al."Planar dual-mode wideband antenna using short-circuited-strips loaded slotline radiator: Operation principle, design, and validation".International Journal of RF and Microwave Computer-Aided Engineering 25.7(2015):573-581.
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