SDR communication payload for LEO - the Laboratory in Space

IoT SDR Payload (ISP)

The most flexible and frequency agile SDR transceiver for Low Earth Orbit

SOFTWARE DEFINED RADIO

• 2 transceiver chains

• Each transceiver can connect to 3 antennas

• Large FPGA

• Built-in spectrum analyzer

• Built-in IoT transmitter

• Generic IQ receiver/transmitter API

• Supports custom design for “any waveform”

TRANSMITTER

• Frequency range: 1– 6 GHz (extended, custom ranges available)

• Bandwidth: Up to 200 MHz (programmable)

• Output power: Up to 36 dBm (typical)

RECEIVER

• Frequency range: 1 – 10 GHz (extended custom ranges available)

• Bandwidth: Up to 200 MHz (programmable)

USER DEFINED SW (option)

• 4-core ARM processor

• Software sandbox with API to payload

• Can safely upload and run user’s SW

• Supports Python & C++

STORAGE CAPACITY

• 3.8 TB (option)

INTERFACES

• High-speed data output: 2 x 10 Gbps optical or 230 Mbps LVDS

• OBC: CSP over RS422/RS485, isolated

• Additional data interface: 100/1000 Mbps Ethernet

• GNSS: PPS over RS422 + LVDS, isolated

• Antennas: 2 x 3 SMA, 50 ohm

• Option for external clock reference: 10 MHz, SMA, 50 ohm

  Power supply: 22-34VDC, nominally 28VDC, isolated

PHYSICAL DIMENSIONS

• 294 mm x 270 mm x 73 mm

• Weight: ~5.8 kg

Flight heritage on Mimir-1