Summary

The IQ Spacecom XLink-S is an S-Band Transceiver System (SDR) suitable for micro, nano and pico satellites in LEO.

The physical dimensions of the system allow it to fit in a 1U CubeSat and standard CCSDS protocols are used to develop the radio interface and radio protocol. The systems are designed to be deliver downlink data rates with high net payload rates.

A standard CCSDS BPSK with BCH coding is used in the satellite receiver (uplink) for telecommand purposes of the satellites. Alternative uplink receivers in the S-band frequencies are available.

With appropriate FEC encoding schemes, the SDR supports higher order forms of modulation, such as BPSK and QPSK. Data throughput maximization is possible through Adaptive Modulation and Coding (AMC) schemes.

One important feature of the system is the optional availability of two separate Tx channels which can be used to increase the transmit power or redundancy.

Testing & qualification

The company has a DIN EN ISO 9001:2015 certified quality management system.

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Last updated: 2022-05-04

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Specs

8TRL
lead time
3 to 5 mo
mass
200 g
volume
< 0.2 U
power consumption
max 12 W (Tx + Rx)
4 W (Rx)
frequency
2.200-2.290 GHz (S band Tx operation)
2.025-2.110 GHz (S band Rx operation)
data rate
500 kbps-100 Mbps (Tx Payload Data)
56 (Rx Payload Data)
Upto 256 Kb/s (Rx Payload Data, Optional configuration)
rf power
2 Tx channels up to +30 dBm (combined up to +33 dBm)
modulation
BPSK (Tx Modulation Scheme)
QPSK (Tx Modulation Scheme)
QPSK (Tx Modulation Scheme)
8PSK (Tx Modulation Scheme)
16PSK (Tx Modulation Scheme)
BPSK with BCH coding (Rx Modulation Scheme)
forward error correction
Convolutional code k=7
voltage
6 to 18 V
28 V (optional), other on request
communication standard
CCSDS

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