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Circuital characteristics and radiation properties of an UWB electric‐magnetic planar antenna for Ku‐band applications
Author(s) -
Haider N.,
Caratelli D.,
Yarovoy A. G.
Publication year - 2013
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1002/rds.20015
Subject(s) - patch antenna , loop antenna , computer science , bandwidth (computing) , antenna measurement , equivalent circuit , radiation pattern , acoustics , electronic engineering , antenna (radio) , topology (electrical circuits) , physics , antenna factor , telecommunications , electrical engineering , voltage , engineering
A planar, directive antenna with large fractional bandwidth is introduced in this paper. A detailed discussion on the proposed antenna topology and its architecture is reported. The proposed element is a combination of a patch and a loop radiator. A proper combination of the electric field radiator (patch) with a magnetic field radiator (loop around the patch) is exploited for expanding the operational bandwidth. A parametric study is presented to investigate the effect of the antenna geometrical parameters on its performance. A general and computationally efficient procedure for extracting the antenna equivalent circuit is described and used to achieve a meaningful circuit theory‐based insight into the characteristics of the radiating structure. The theoretical and experimental results are compared, and it is demonstrated that the element features over 100% fractional bandwidth, good impedance matching, and unidirectional and stable radiation patterns.