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Wide aperture circularly polarized antenna for small telemetry satellites

Published online by Cambridge University Press:  19 September 2012

M. Koubeissi ,
E. Arnaud ,
M. Thevenot ,
T. Monediere ,
E. Peragin  and
H. Diez
M. Koubeissi
Affiliation:
XLIM – CNRS 123, Avenue Albert Thomas, 87060, Limoges Cedex, France
E. Arnaud*
Affiliation:
XLIM – CNRS 123, Avenue Albert Thomas, 87060, Limoges Cedex, France
M. Thevenot
Affiliation:
XLIM – CNRS 123, Avenue Albert Thomas, 87060, Limoges Cedex, France
T. Monediere
Affiliation:
XLIM – CNRS 123, Avenue Albert Thomas, 87060, Limoges Cedex, France
E. Peragin
Affiliation:
CNES –18 av. E. Belin, BPI: 3602, 31401, Toulouse Cedex 9, France
H. Diez
Affiliation:
CNES –18 av. E. Belin, BPI: 3602, 31401, Toulouse Cedex 9, France
*
Corresponding author: E. Arnaud Email: Eric.arnaud@xlim.fr
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Abstract

This paper focuses on the design of a telemetry antenna system intended for small satellites. It provides an axial ratio (AR) lower than 3 dB over ±60° conical space angle with over 20% of bandwidth. The antenna consists of a multilayer patch element fed by a wideband feeding circuit. The latter is an appropriate adjustment of 90° hybrid couplers and 180° ring coupler. We show that this design provides high-quality circular polarization properties for agile small satellites without having to suspend their mission to download their data and also without sacrificing the antenna low profile and wide bandwidth. The antenna is fabricated and the experimental performance is presented and followed by a discussion.

Keywords

Wide angleWide bandCircularly polarized antennasLightweight antennasSmall telemetry satellites
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 4 , Issue 6 , December 2012 , pp. 623 - 628
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2012

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References

REFERENCES

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