CAVU Aerospace UK Ltd

X-TRANSMITTER

High Data Rate Satellite Payload Transmitter

PRODUCT OVERVIEW

The X-Transmitter is a high-performance flight proven X-band transmitter designed for demanding LEO satellite missions. Its advanced design combines reliability, compactness, and efficiency to meet the needs of high-speed data transmission. Whether for real-time telemetry or high-resolution imagery, the X-Transmitter delivers seamless communication, even in the harshest space environments.

The X-Transmitter stands out for its adaptability and mission-specific customization. Its robust architecture ensures uninterrupted operation, while its lightweight and compact design make it an excellent fit for cutting-edge satellite applications. With state-of-the-art modulation and error correction, it is the transmitter of choice for high-precision, real-time communication systems.

KEY FEATURES

  • High Data Rates: Supports up to 75 Mbps coded, enabling rapid data downlink for imaging and telemetry.
  • Advanced Modulation : QPSK, OQPSK, and optional LDPC for optimized data throughput and reliability.
  • Energy Efficient : Consumes less than 50 W while delivering a powerful 10 W RF output.
  • Versatile Interfaces : Includes LVDS, SpaceWire, Ethernet, CAN, and RS422 for seamless integration.
  • Built to Last : Radiation-tolerant design (TID >25 kRad) with SEU resilience ensures reliable performance over 3–5 years in LEO missions.

TECHNICAL SPECS

RF CHARACTERISTICS

  • Frequency Range : 8.0–8.4 GHz
  • Modulation : QPSK, OQPSK, optional LDPC
  • Data Rate :
        Uncoded : 12–75 Mbps
        Coded : 10–60 Mbps
  • RF Output Power : 10 W (40 dBm)
  • Frequency Stability : ≤5 ppm

ELECTRICAL

  • Power Supply : 28 VDC unregulated
  • Power Consumption : ≤50 W

MECHANICAL

  • Dimensions : 160 mm x 160 mm x 35 mm
  • Mass : 1300 g
  • Connectors : SMA for RF output, Micro-D for Data

INTERFACES

  • Data : LVDS, SpaceWire, Ethernet
  • Control : CAN, RS422

ENVIRONMENT

THERMAL

  • Operating Temperature : -25°C to +60°C
  • Inactive Temperature : -40°C to +70°C

MECHANICAL

  • Vibration : 20–2000 Hz @ 14g(rms)
  • Shock Resistance : 20 g, 11 ms duration

RADIATION

  • Tolerance : TID >25 kRad
  • EMI/EMC Compliance : ECSS-E-ST-20-07CC

BUDGET

  • Frequency Range : 8.0–8.4 GHz
  • Data Rate : 10–60 Mbps (Coded), 12–75 Mbps (Uncoded)
  • Max RF Output Power : 10 W
  • Power Consumption : ≤50 W
  • Dimensions : 160 mm x 160 mm x 35 mm
  • Mass : 1300 g
  • Lifespan : 3–5 years in LEO