Dual-polarization TCDA-IB with substrate loading

Recent efforts on tightly-coupled dipole arrays (TCDA) have yielded conformal, low profile designs that demonstrate remarkable bandwidths. In [1], a TCDA with integrated balun (TCDA-IB) and substrate loading was presented. In the current paper, we extend this work to a dual-polarization TCDA that sc...

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Bibliographic Details
Main Authors: Papantonis, Dimitrios K., Volakis, John L.
Format: Conference Proceeding
Language:English
Subjects:
Antenna arrays
Bandwidth
Dipole antennas
Impedance
Impedance matching
Loaded antennas
Ultra wideband antennas
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Description
Summary:Recent efforts on tightly-coupled dipole arrays (TCDA) have yielded conformal, low profile designs that demonstrate remarkable bandwidths. In [1], a TCDA with integrated balun (TCDA-IB) and substrate loading was presented. In the current paper, we extend this work to a dual-polarization TCDA that scans up to 45°. It exhibits an infinite array bandwidth of 13.5:1 (290MHz-3.9GHz) with an active VSWR60% in all planes. The validity of the design is verified fabricating and testing an 8x8 prototype with a measured bandwidth of 11:1.
ISSN:1522-3965
1947-1491
DOI:10.1109/APS.2014.6904793