Design of Wideband Bowtie Slot Antenna Using Sectorially Modified Gielis Curves

Design of Wideband Bowtie Slot Antenna Using Sectorially Modified Gielis Curves

This paper presents the design of wideband bowtie slot antenna (BSA) using sectorially modified Gielis curves (SMGCs). The SMGCs are used for the slot profile to improve the bandwidth while maintaining the antenna size. Two prototypes of BSAs are built on FR4 and RO5880 substrates providing fraction...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2018-12, Vol.17 (12), p.2237-2240
Hauptverfasser: Bhaskar, Vignesh Shanmugam, Tan, Eng Leong, Holden, Li King Ho
Format: Artikel
Sprache:eng
Schlagworte:
Antennas
Aperture antenna
Bandwidth
Bandwidths
bowtie antenna
Broadband
Broadband antennas
Coplanar waveguides
Design modifications
Gielis curve
Impedance
Prototypes
slot antenna
Slot antennas
Substrates
supershape
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Beschreibung
Zusammenfassung:This paper presents the design of wideband bowtie slot antenna (BSA) using sectorially modified Gielis curves (SMGCs). The SMGCs are used for the slot profile to improve the bandwidth while maintaining the antenna size. Two prototypes of BSAs are built on FR4 and RO5880 substrates providing fractional bandwidths of about 90.3% (1.7-4.5 GHz) and 71.4% (2.7-5.7 GHz), respectively. The simulated S -parameters, realized gains, current distributions and radiation patterns along with measured results are discussed.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2018.2872009