Study and Design of a Diferentially Fed Tapered Slot Antenna Array

Lera Acedo, Eloy de and García, Enrique and González Posadas, Vicente and Vázquez Roy, José Luis and Maaskant, Rob and Segovia Vargas, Daniel (2010). Study and Design of a Diferentially Fed Tapered Slot Antenna Array. "IEEE Transactions on Antennas and Propagation", v. 58 (n. 1); pp. 68-78. ISSN 0018-926X. https://doi.org/10.1109/TAP.2009.2036193.

Description

Title: Study and Design of a Diferentially Fed Tapered Slot Antenna Array
Author/s:
  • Lera Acedo, Eloy de
  • García, Enrique
  • González Posadas, Vicente
  • Vázquez Roy, José Luis
  • Maaskant, Rob
  • Segovia Vargas, Daniel
Item Type: Article
Título de Revista/Publicación: IEEE Transactions on Antennas and Propagation
Date: January 2010
ISSN: 0018-926X
Volume: 58
Subjects:
Faculty: E.U.I.T. Telecomunicación (UPM)
Department: Ingeniería Audiovisual y Comunicaciones [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The results of a parametric study and design of an ultrawideband dual-polarized array of differentially-fed tapered slot antenna elements are presented. We examine arrays of bunny-ear antennas and discuss the capabilities and limitations of differential antenna technology. As we focus on radio astronomical applications, the absence of a balancing-feed circuit not only reduces the first-stage noise contribution associated to losses in the feed, but also leads to a cost reduction. Common-modes are supported by the antenna structure when a third conductor is present, such as a ground plane. We demonstrate that anomalies may occur in the differential-mode scan impedance. Knowledge of both types of scan impedances, differential and common mode, is required to properly design differential LNAs and to achieve optimal receiver sensitivity. A compromise solution is proposed based on the partial suppression of the undesired common-mode currents through a (low loss) balancing-dissipation technique. A fully steerable design up to 45?? in both principal planes is achieved.

More information

Item ID: 8555
DC Identifier: http://oa.upm.es/8555/
OAI Identifier: oai:oa.upm.es:8555
DOI: 10.1109/TAP.2009.2036193
Official URL: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5313927&tag=1
Deposited by: Memoria Investigacion
Deposited on: 01 Sep 2011 08:59
Last Modified: 20 Apr 2016 17:17
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