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Article Dans Une Revue International Journal of Microwave and Wireless Technologies Année : 2017

X-band compact dual circularly polarized isoflux antenna for nanosatellite applications

Eric Arnaud
Cyrille Menudier
Jamil Fouany
T Monediere
  • Fonction : Auteur
M Thevenot

Résumé

— This paper presents an original solution to design a compact dual circularly polarized isoflux antenna (DCPIA) for nanosatellite applications. This kind of antenna has been previously designed in our laboratory, for a single circular polarization. This antenna is composed of a dual circularly polarized feed and a choke horn antenna. This feed is a cross-shaped slot in the ground plane which provides coupling between a patch and a ring microstrip line with two ports. It is located at the centre of a choke horn antenna. The simulated antenna presents an axial ratio (AR) lower than 3 dB and a realized gain (RG) close to 0 dB over a 400 MHz bandwidth (8.0-8.4GHz) at the limit of coverage (LOC), i.e. 65° whatever the azimuth angle (φ) and the port. A 20 dB matching for each port and 13 dB isolation characteristics between the two ports have been achieved on this bandwidth. It has been realized and successfully measured.
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Dates et versions

hal-01431624 , version 1 (11-01-2017)

Identifiants

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Eric Arnaud, Cyrille Menudier, Jamil Fouany, T Monediere, M Thevenot. X-band compact dual circularly polarized isoflux antenna for nanosatellite applications. International Journal of Microwave and Wireless Technologies, 2017, pp.1 - 8. ⟨10.1017/S1759078716001410⟩. ⟨hal-01431624⟩
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