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Radiosat

KU-BAND transponder

Miniaturized non-regenerative transponder designed for cubesat and small satellites for leo and geo applications.

Overview

Born as a customization of RADIOSAT, this transponder is a miniaturized non regenerative transponder designed for CubeSat and Small Satellites for LEO and GEO applications.

With a volume of 1 U and a mass of 1.2 kg, the transponder operates in Ku-band and it is characterized by low power consumption.

The transponder allows two signal bandwidths, 400 kHz or 700 kHz. The radio allows it to operate with the most common modulation schemes and offers a versatile beacon function.

Telemetry and Telecommand functions are available over the common standards.

Applications

  • LEO small satellite services
  • GEO satellites services

Key features

Frequencies

  • Uplink (dual selectable band):
    12.75 – 13.25 GHz
    13.75 – 14.8 GHz
  • Downlink (dual selectable band):
    10.7 – 11.2 GHz
    11.2 – 12.75 GHz

POWER SUPPLY

  • Power consumption: < 45W
  • Input supply from 12V to 18V
  • Energy efficient design features and dedicated MCU

Performance

  • Selectable bandwidth: 400 kHz or 700 kHz
  • Receiver sensitivity: -105 dBm
  • RF output power: up to 5W

Work environment

  • Operating temperature range: -20 °C to +70 °C
  • Non-operating temperature range: -30 °C to +90 °C

Interfaces

  • 2.92 mm gold plated RF connectors
  • Space Qualified connectors
  • TM/TC over RS485, RS422, RS232
  • Additional debug and PC control

Accommodation

  • Mass 1.2 kg
  • Volume: 1 U (configurable)