Summary

SPACE-SI has developed a very efficient and capable data downlink solution for cubesat and microsatellite platforms: • High-speed data downlink capability • Low electrical power requirement • High PA power-added efficiency (PAE) • GaN technology • LVDS data input • Galvanical isolation to the VBUS (microsatellite only) • Broad input voltage range from the BUS • Telemetry data (thermal, current and RF power) • Low RF carrier phase noise • Low harmonic and spurious spectral content • No external RF filtering required • Lightweight and compact size.

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Last updated: 2020-08-02

X-Band High-Speed Downlink Transmitter for Cubesats and Microsatellites

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Specs

power
10 W
frequency
8.0 — 8.4 GHz
transmit power
1 — 2 W
data rate
< 100 Mb/s
modulation
OQPSK
frequency stability
< 3 ppm
mass
500 g

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