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Design and simulation of an equiangular spiral antenna for extremely high-frequencies

: Sirbu, B.; Tekin, T.; Pouhe, D.


European Association on Antennas and Propagation -EurAAP-; Institute of Electrical and Electronics Engineers -IEEE-:
8th European Conference on Antennas and Propagation, EuCAP 2014 : 6-11 April 2014, The Hague
Piscataway, NJ: IEEE, 2014
ISBN: 978-88-907018-4-9
European Conference on Antennas and Propagation (EuCAP) <8, 2014, The Hague>
Conference Paper
Fraunhofer IZM ()

This paper presents the design and simulation processes of an Equiangular Spiral Antenna for the extremely high frequencies between 65 GHz and 170 GHz. A new approach for the analysis of the antenna's electrical parameters is described. This approach is based on formalism proposed by Rumsey to determine the EM field produced by an equiangular spiral antenna. Analytical expressions of the electrical parameters such as the gain or the directivity are then calculated using well sustained mathematical approximations. The comparison of obtained results with those from numerical integration methods shows a good agreement.