Summary

The Cubecom STX S-band Transmitter is a compact nanosatellite X-band transmitter utilizing the DVB-S2 standard, supporting QPSK, 8PSK, and 16APSK modulation at a symbol rate of 4 Msps.

The system is suitable for missions that require a medium data rate downlink. The maximum data throughput is over 12 Mbps.

The use of the DVB-S2 standard (concatenated encoding optional) enables compatibility with commercial-of-the-shelf (COTS) satellite demodulators.

In addition, a nadir facing S-band patch antenna is available for the STX S-band Transmitter that can be easily incorporated into the nanosatellite design.

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Last updated: 2024-03-13

STX S-band Transmitter

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Specs

mass
< 120 g
width
< 96 mm
length
< 90 mm
input voltage
7 to 20 V
power consumption
< 12 W
frequency range
2.2 to 2.3 GHz
rf power
< 2 W (33 dBm)
spurious response
< 60 dBc (TBC)
snr
> 20 dB
symbol rate
4 MBd
data interface
CAN 2.0 (telemetry and control)
I2C (telemetry and control)
SpaceWire (high speed data interface)
LVDS (high speed data interface)
operating temperature
-20 to 60 C

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