Design and Development of Tapered Spiral Helix Antenna

International Journal of Computer Trends and Technology (IJCTT)          
© - September Issue 2013 by IJCTT Journal
Volume-4 Issue-9                           
Year of Publication : 2013
Authors :B.Sai Yashodha, J.Ravindranadh


B.Sai Yashodha, J.Ravindranadh"Design and Development of Tapered Spiral Helix Antenna"International Journal of Computer Trends and Technology (IJCTT),V4(9):3043-3047 September Issue 2013 .ISSN Published by Seventh Sense Research Group.

Abstract:- This paper is designed to develop a tapered spiral helix antenna covering the frequency range 1-18GHz. Tappered spiral helix antenna is a compact state-of-the-art circularly polarized antenna, which works over multi-octave frequency bandwidth(1-18GHz). The spiral helix consists of a spiral antenna with a spiral radiator, the balanced to unbalanced (balun) transformer, backing cavity and a helical antenna where the outer ends of spiral antenna are terminated with a helix. The helix is placed with its axis at90° to the spiral lies behind it is designed to produce circularly polarized radiation over a range from 1-18GHz. In general spiral helix antenna provide frequency coverage unattainable in a single device. The design of spiral circuit will be done using a computer generated program in MATLAB software. The design of helix is done in CST studio suite software and finally , combined results are simulated by using CST software..


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Keywords — balun, CST, polarization, tappered.