Passive Equipment

Coaxial Low Pass Filters

• Transmit or Receive Filters for TTC or Payload subsystems in UHF, L, S, C and X Bands
• Baseline supplier of C-Band Telemetry Filters for main platforms of geostationary telecom satellites in Europe, giving service to the majority of operators
  • High tested performance in CW Power Handling, Multipaction and Corona
  • Low PIM performance
  • Large amount of flight heritage
• Integrated in assemblies including other elements
  • Hybrids, band pass filter stages, isolators, circulators

Waveguide Low Pass Filters

• Used in Ku Band and Ka Band for harmonic rejection in TTC and Payload subsystems
• Baseline supplier of Telemetry Filters for Eurostar platform of geostationary telecom satellites in Europe, giving service to the majority of operators
• High power handling capability:
  • CW Power Handling tested up to 600W CW (Ku-Band) / 280W CW (Ka-Band)
  • For Telemetry: Corona tested up to 240W (Ku-Band) / 18W (Ka-Band)
  • Multipaction tested in Ku-Band up to 480W (TM) / 1200Wpk (payload)

Combline Band Pass Filters

• Transmit or Receive Filters for TTC or Payload subsystems in UHF, L, S, C and X Bands
• RF and thermo-mechanical design, material and finish selection targeted at critical parameter optimization or best compromise performance
  • Elliptic or pseudo-elliptic transfer functions for increased selectivity
  • High Performance in CW Power Handling, Multipaction and Corona
  • In-house qualified silver plating finish for low IL figure
  • Material selection for optimum thermal stability
  • Design for minimum footprint and low mass
• In House Power Test Facilities
  • PIM, CW Power Handling, Multipaction and Corona
• Integrated assemblies
  • Isolators, circulators, low pass filter stages, low noise amplifiers

Waveguide Band Pass Filters

• Heritage in C, X, Ku and Ka Band for TTC or Payload subsystems
• Materials and finishes
  • Super Invar for improved thermal stability
  • In house silver plating facilities
• Low pass filter for far OoB rejection
  • Corrugated, Ridge, Waffle Iron
• Filter assemblies may include
  • Input and Output Isolators / Circulators
  • WG to Coax transitions

Band Stop, Directional and Channel Filters

• Heritage in narrow channel filters
  • For TTC or Payload subsystems
• Materials and finishes
  
  • In house silver plating facilities
• Filter assemblies may include
  
  • Input and Output Isolators / Circulators

Diplexers and Triplexers

• Qualified in L, S, C, Ku and Ka Bands
  • For Payload and TTC subsystems
  • For Input and Output Sections
• Integrated as part of Antennas Feed Network or as Stand Alone units
• S Band High Power Diplexer qualified for MSS:
  • CW Power Handling tested up to 1700W
  • Multipaction tested up to 3500Wpk
  • PIM below 130 dBm (2 carriers of 500 W)

Ku Band Output Multiplexers

• Qualified 6 Channel Output Multiplexer
  • Shock, band edge carrier / out of band carrier power handling, passive intermodulation
• Adjusted design and production processes to provide competitive cost and lead time for Output Multiplexers of up to 12 Channels

Test Couplers

• Transmit or Receive Test Couplers for TTC or Payload subsystems in all bands
  • L Band, S Band, C Band, X Band, Ku Band, K Band, Ka Band, Q Band
• All RF Port Interfaces
  •  WR-229, WR-137, WR-112, WR-90, WR-75, WR-62, WR-51, WR-34, WR-28, WR-22
  • WG internal or removable coaxial loads included, as required
  • TNC, SMA, SMK
• Low PIM design. High Power Handling capability
  • CW PH tested at 2000W (C Band) / 2200W (Ku Band) / 900W (X Band, Ka Band)
  • MP tested at 8400Wpk (C Band) / 5200Wpk (X Band) / 5600 Wpk (Ku Band) / 204 Wpk (Ka Band)
  • Corona tested at 120W (Ku Band) / 350W (Ka Band)
  • PIM tested in several bands (C Band, Ku Band, Ka Band) with different test conditions (including 3rd Order)

Hybrids, Couplers and Assemblies

•  Transmit or Receive Hybrids, Directional Couplers, Power Dividers, Combiners or Custom Network Assemblies
  • In all bands: L Band, S Band, C Band, X Band, Ku Band, Ka Band
  • In all technologies: microstrip, stripline, waveguide, barline
• All RF Port Interfaces
  • WR-137, WR-112, WR-75, WR-62, WR-51, WR-34, WR-28, TNC, SMA, SMK, WG internal or removable coaxial loads included, as required
• Optimized assemblies for custom topologies
  • Multipack assemblies to reduce footprint
  • Integration of isolators, circulators, filters

Waveguide to Coaxial Adapters

• Transmit or Receive Adapters for TTC or Payload subsystems in all bands
  • S Band, C Band, X Band, Ku Band, K Band, Ka Band
• Any interface type combination
  • Waveguide: WR-340, WR-229, WR-137, WR-112, WR-75, WR-62, WR-51, WR-28…
  • Coaxial: TNC, SMA, SMK
• Custom design following customer requirement
  • Custom flange design, including half or quarter waveguide height
  • Connector pin grounded to chassis, when required
  • Axial or perpendicular orientation of connector

Low Power Coaxial Dividers and Hybrids

• Extensive catalogue of low power coaxial Power Dividers and Hybrids with heritage from VHF to K band
• Different configurations N:M
• Standard units & customized design
• Reduced footprint and very low weight