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Wide scanned electronically steered conformal active phased array antenna for Ku-band SATCOM

Published online by Cambridge University Press:  18 December 2018

Raj Kumar ,
Pramendra Kumar Verma  and
Machavaram Venkateshwar Kartikeyan
Raj Kumar*
Affiliation:
Defence Electronics Applications Laboratory, Raipur Road, Dehradun-248001, India
Pramendra Kumar Verma
Affiliation:
Defence Electronics Applications Laboratory, Raipur Road, Dehradun-248001, India
Machavaram Venkateshwar Kartikeyan
Affiliation:
Indian Institute of Technology Roorkee, Roorkee-247667, India
*
Author for correspondence: Raj Kumar, E-mail: raj.kumar@deal.drdo.in
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Abstract

The paper describes the design and development of a low profile wide scanned conformal active 1 × 32 phased array antenna for Ku-band SATCOM applications. The realized antenna is diagonally polarized and covers full transmit frequency band (i.e. 13.75–14.5 GHz) of Ku band SATCOM. All the developed sub-systems of the antenna, i.e. conformal radiating array, conformal transmit module, manifold network, and beam steering unit are described. The VSWR of the antenna is better than 1.65 over the complete transmit frequency band. The antenna has the beam steering capability of ±60° in the array plane. Designed antenna is best suited for airborne applications, where antenna profile contributes considerable aero drag and RCS to the host platform.

Keywords

Antenna designEM field theorymodeling and measurementsphased array antenna
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 11 , Issue 4 , May 2019 , pp. 376 - 381
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

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