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New type of millimeter wave antenna with high gain and high lobe suppression

ALEKSANDAR NEŠIĆ1, IVANA RADNOVIĆ1,*

Affiliation

  1. IMTEL Komunikacije, Bulevar M. Pupina 165b, 11070 Beograd, Serbia

Abstract

Concept, simulation, design and realization of the printed tapered antenna array with a subreflector and a cylindrical-parabolic reflector is presented. This antenna is intended for microwave and millimeter wave ranges and is characterized by many advantages such as efficacy, compactness and possibility of integration with other passive and active microwave circuits. Antenna gain is nearly 26 dBi and aperture efficiency is almost 50% due to very low loss tangent (tg δ) of the dielectric substrate the antenna is printed on. The antenna operates in the frequency range from 24 GHz to nearly 30 GHz. Measured results are in good accordance with those obtained by a simulation.

Keywords

Millimeter wave antennas, Printed antenna arrays, Side Lobe Supression, Printed subreflector, Cylindrical-parabolic reflector, Extremely low loss tangent materials.

Citation

ALEKSANDAR NEŠIĆ, IVANA RADNOVIĆ, New type of millimeter wave antenna with high gain and high lobe suppression, Optoelectronics and Advanced Materials - Rapid Communications, 3, 10, October 2009, pp.1060-1064 (2009).

Submitted at: July 29, 2009

Accepted at: Oct. 2, 2009