Aeroespacial

Antennas

Helix and Patch Antennas

Helix and Patch Antennas

  • Typically used for GPS applications or TTC subsystems due to its wide angle coverage:
    • Low Earth Orbit (LEO) Satellites
    • Geostationary Communication Satellites
    • ATV Supply Vehicle for International Space Station
    • Europe’s global navigation satellite system: Galileo (IOV and FOC Phases)
    • VEGA ESA’s series of small launchers
    • Intermediate eXperimental Vehicle, IXV
  • The design can be customized (Radiation performance and/or mechanical configuration)

Hemispherical Antennas

Hemispherical Antennas

  • Baseline supplier for the TTC subsystems in the main platforms of geostationary telecom satellites in Europe
  • On board Low Earth and Medium Earth Orbit constellation of satellites
    • Globalstar-2, O3B, Iridium NEXT
  • Used in X Band for TTC subsystems in scientific missions
    • HERSCHEL, PLANCK, ROCSAT, BEPI COLOMBO, LISA PATHFINDER, GAIA, EXOMARS, SOLAR ORBITER
  • Qualified designs in C Band, X Band, Ku Band and Ka Band

Wide Coverage Antennas

Wide Coverage Antennas

  • Widely present in the TTC subsystems of US satellite platforms
  • Typically integrated together with Omni Directional Antennas
  • Qualified designs in C Band, Ku Band and Ka Band
  • Linear or Circular Polarization
  • Support structure is customizable for the mission requirement

Omni Directional Antennas

Omni Directional Antennas

  • Widely present in the TTC subsystems of US satellite platforms
  • Dual Band operation (Transmit / Receive) with a single antenna with stacked radiators
  • Toroidal pattern around longitudinal axis with Lineal or Circular polarization
  • Qualified designs for wide band operation

X Band Isoflux Antennas

X Band Isoflux Antennas

  • Used for data downlink from Low Earth Orbit (LEO) satellites in Earth Observation missions
  • Isoflux Gain Pattern with a gain figure up to 6.75 dBi at 63º from boresight
  • Qualified design on board wide amount of Earth Observation missions
  • Support structure is customizable for the mission requirement

Array Antennas

Array Antennas

  • Global coverage in low bands (UHF, L and S Bands), where conical horns become too big
  • Gain pattern performance can be optimized in response to particular requirements
  • Standard Gain performance is G > 17 dBi or G > 13 dBi for EoC |q| < 9º
  • Low Axial Ratio within EoC (AR < 1 dB)

Conical Horn Antennas

Conical Horn Antennas

  • Transmit and Receive Horn Antennas in all bands
    • L Band, S Band, C Band, X Band, Ku Band, K Band and Ka Band
  • Custom Feed Network
    • Linear / Circular Polarization (OMT, Septum polarizer…)
    • Custom designed filters, diplexers or triplexers
    • Test Couplers
    • Waveguide/Coaxial Interfaces/Internal waveguide loads
  • Mechanical design for mass optimization
    • Intermediate flange, lateral bracket or vertical support
    • Implementation of desired pointing angle
    • CFRP combined with Aluminium Alloy when convenient

Pyramidal Horn Antennas

Pyramidal Horn Antennas

  • Typically used in Ku Band and Ka Band TTC subsystems for On-Station TCR, providing shaped coverage with minimum gain values assured for particular Earth regions
  • The Feed Network may include Diplexers or Triplexers for band discrimination (Transmit, Receive, Beacon) or Ortho-Mode Transducers for polarization discrimination
  • Support Bracket design is specific to the mission requirements and desired pointing angle

C Band Feed Horn Assemblies

C Band Feed Horn Assemblies

  • Lightweight machined corrugated feed horn antenna
    • RF internal profile may be furnished by the Customer or optimized to meet specific requirements
  • Wide Dual Band Operation Compact 4-Port Linear or Circular Polarization Ortho-mode Transducer
  • Thermo-mechanical design of the complete assembly and support brackets designed in response to specific mission requirements

Ku Band Feed Horn Assemblies

Ku Band Feed Horn Assemblies

  • Lightweight machined corrugated feed horn antenna
    • RF internal profile may be furnished by the Customer or optimized to meet specific requirements
  • Very compact wide band asymmetrical LP OMT covering both Ku-Band TX and RX bands
  • Symmetric LP OMT design is available covering TX and RX band
  • 2-port, 4-port or 6-port feeding networks including diplexers and triplexers when required.
  • Thermo-mechanical design of the complete assembly and support brackets designed in response to specific mission requirements

Ka Band Feed Horn Assemblies

Ka Band Feed Horn Assemblies

  • Lightweight machined corrugated feed horn antenna
    • RF internal profile may be furnished by the Customer or optimized to meet specific requirements
  • Compact 2 Port or 4 Port CP OMT covering Transmit (17.7 to 20.7 GHz) and Receive (27 to 30 GHz) bands specifically designed for multibeam / feed cluster applications
  • Thermo-mechanical design of the complete assembly and support brackets designed in response to specific mission requirements

Specific Purpose Antennas

Specific Purpose Antennas

  • Dual Antenna for Search & Rescue payload on board all satellites in Galileo constellation
  • Receive mission through UHF Band Array Antenna with helix unitary elements; transmit mission through L Band Short Back Fire Antenna
  • K/Ka Feed Horn for MADRAS payload on board MEGHATROPIQUES Earth Observation mission (CNES / ISRO joint satellite)
  • Three LP OMTs operating at 36, 24 & 18 GHz
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