volume | PIER Journals

2016-12-06

Design of a Novel Compact Cup Feed for Parabolic Reflector Antennas

Amir Moallemizadeh,

Dr. Amir Moallemizadeh

Departement of Electrical Engineering

Shahed University of Technology

Iran

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Reza Sarraf-Shirazi,

Dr. Reza Sarraf-Shirazi

Department of Electrical Engineering

Amirkabir University of Technology

Iran

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Mohammad Bod

Dr. Mohammad Bod

Electrical & Electronic Engineering Dept.

Shahed University

Iran

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Progress In Electromagnetics Research Letters, Vol. 64, 81-86, 2016

doi:10.2528/PIERL16100501

Abstract

This paper describes the concept and design of a novel compactself-supported cup feedantenna for parabolic reflectors. The feed antenna consists of an open waveguide cup which is excited by a disk loaded dipole. This structure is fed by a coaxial waveguide through a split-coaxial balun and has a rear radiation pattern toward the reflector antenna. Two different types of this configuration are designed in this paper: a linearly-polarized grid reflector antenna fed by a single dipole excitation, and a circularly-polarized solid reflector antenna fed by a cross dipole excitation. The measurement is done for the former, and simulation results of the latter via two different software packages CST and HFSS are compared in this paper. Analyzing the results shows that both types of cup feed antenna have an excellent aperture efficiency and low side lobe level.

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Amir Moallemizadeh, Reza Sarraf-Shirazi, and Mohammad Bod, "Design of a Novel Compact Cup Feed for Parabolic Reflector Antennas," Progress In Electromagnetics Research Letters, Vol. 64, 81-86, 2016.
doi:10.2528/PIERL16100501

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