A Broadband High-Gain Bi-Layer LPDA for UHF Conformal Load-Bearing Antenna Structures (CLASs) Applications

Author

Bishop, Nicholas A. ; Miller, Jason ; Zeppettella, David ; Baron, William ; Tuss, James ; Ali, Mohammod

Author_Institution

Dept. of Electr. Eng., Univ. of South Carolina, Columbia, SC, USA

Volume

63

Issue

5

fYear

2015

fDate

5/1/2015 12:00:00 AM

Firstpage

2359

Lastpage

2364

Abstract

A broadband high-gain bi-layer log-periodic dipole array (LPDA) is introduced for conformal load bearing antenna structures (CLASs) applications. Under the proposed scheme, the two layers of the LPDA are printed on two separate thin dielectric substrates which are substantially separated from each other. A meander line geometry is adapted to achieve size reduction for the array. The fabricated and tested array easily exceeds more than an octave of gain, pattern, and VSWR bandwidth.

Keywords

UHF antennas; broadband antennas; conformal antennas; dipole antenna arrays; geometry; log periodic antennas; microstrip antenna arrays; UHF CLAS applications; UHF conformal load-bearing antenna structure application; VSWR bandwidth; broadband high-gain bilayer LPDA; broadband high-gain bilayer log periodic dipole array; meander line geometry; size reduction; thin dielectric substrates; Arrays; Broadband antennas; Conductors; Electron tubes; Feeds; Gain; Array; Broadband antenna; CLAS; LPDA; UWB; array; broadband antenna; conformal load bearing antenna structure (CLAS); endfire; log-periodic; ultrawideband; ultrawideband (UWB);

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.2015.2409866

Filename

7054454