Summary

The Gigabit Modulator offered by TESAT is suited for advanced data downlink subsystems in X-Band and Ka-Band. employed onboard Earth Observation satellites and scientific missions.

The Gigabit Modulator offers the following benefits:

  • Increased throughput by variable or adaptive coding/modulation
  • High channel data rate (1.2 Gbps in X-Band, 2 Gbps in Ka-Band)
  • Integrated predistorter for power amplifier linearization allows utilization of high order modulation schemes at optimized amplifier back-off in combination with both TWTAs & SSPAs.
  • Flexible design in terms of:
    1. High order modulation and coding scheme (27 different schemes)
    2. Data Rate & Symbol Rate which are adaptable in a large range
    3. Output frequency (5 MHz step size either in X- or Ka-Band)

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Last updated: 2021-04-23

Gigabit Modulator for X-Band & Ka-Band

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Specs

mass
2.5 kg
power consumption
30 W
lifetime
15 yr
bus voltage1
21 to 38 V
output symbol rate2
10 to 500 MBd
carrier frequency range
X-Band: 8.025 - 8.4 GHz
Ka-Band: 25.5 - 27 GHz

1. options: 50V, 100V

2. in X-Band max. 250 MBaud due to bandwidth constraints

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