Miniaturized Ka-Band radio for small satellites
Radiosat
RADIOSAT is the innovative miniaturized transceiver designed for CubeSat and Small Satellites in LEO, with the support of the European Space Agency.
In its own small way, 1.5 U and 1 kg, a Ka-band radio is integrated with a DVB-S2 modem, overall characterized by low power consumption. The usage of this frequency band ensures data rates greater than 20 Mbps, in a less congested spectrum environment. Signals are processed by the modem, which provides Variable and Adaptive Coding and Modulation (VCM, ACM) capabilities.
The radio allows the separate management of the receiver and the transmitter.
Features
frequencies
Uplink 27.5 – 30 GHz
Downlink 17.8 – 20.2 GHz
Signal bandwidth up to 56 MHz
Downlink 17.8 – 20.2 GHz
Signal bandwidth up to 56 MHz
DVB-S2 modem
VCM / ACM hardware capable (ground segment dependent)
High performance next-generation System-on-Chip
High performance next-generation System-on-Chip
performance
Data up to 100 Mbps
Receiver and transmitter can be tuned independently
Receiver sensitivity: -115dBm (@1MHz signal bandwidth)
Maximum RF output power: 2W
Receiver and transmitter can be tuned independently
Receiver sensitivity: -115dBm (@1MHz signal bandwidth)
Maximum RF output power: 2W
interfaces
2.92mm gold plated RF connectors
Space Qualified connectors
DVB-S2 Baseband Frames over LVDS
Optional ASI
Additional TM/TC over CAN and RS485
Debug and PC control over GbE or USB
Space Qualified connectors
DVB-S2 Baseband Frames over LVDS
Optional ASI
Additional TM/TC over CAN and RS485
Debug and PC control over GbE or USB
power supply
Transmitter: 16W
Receiver: 9W
Input supply from 3 V to 18 V
Up to 3 input rails with integrated prioritizer
Energy efficient design features and dedicated MCU
Receiver: 9W
Input supply from 3 V to 18 V
Up to 3 input rails with integrated prioritizer
Energy efficient design features and dedicated MCU
work environment
Operating temperature range -20 °C to +70 °C
Non-operating temperature range -30 °C to +90 °C
Radiation tolerant design
ECSS compliant design
Non-operating temperature range -30 °C to +90 °C
Radiation tolerant design
ECSS compliant design
accommodation
• Mass 1.5 kg
• Volume < 1.5 U
• Volume < 1.5 U
applications
LEO CubeSat space missions
FSS telecommunications
Satellite Communications-on-theMove
Unmanned remote control
HTS Terminals
FSS telecommunications
Satellite Communications-on-theMove
Unmanned remote control
HTS Terminals
Supported by ESA
PICOSATS RADIOSAT project is supported by ESA in the framework of the activity Miniaturised Ka-band FSS Transponder for Small Satellites (contract 4000117224/16/UK/AD)