Downlink products
Downlink products for Earth observation and scientific satellites
KONGSBERG is building on the extensive experience in digital signal processing, gained from two decades in the manufacture of world-class DSP-based TT&C (TC&R) products in order to offer also a line of high-rate Data Downlink Modulators.
Key features, 1st generation
- @ TRL 8, FMs delivered
- 250MSymbols /s
- FCM, QPSK or 8PSK
- Ka-Band or X-Band options
Key features, 2nd generation
- TRL 6 planned
- TRL 7 planned
- 500MSymbols /s
- VCM, SCCC QPSK through 64APSK
- Ka-Band or X-Band options
The development is supported by a major Core Technology Program contract with the European Space Agency. First Ka Band FMs delivered on the PLATO mission. The DSP-based core of the modulator is paired with KONGSBERG heritage modules for conversion to X- and Ka-Bands, local oscillator generation and housekeeping, forming a complete Downlink Modulator unit.
A second generation modulator is in development addressing VCM/ACM functionality, higher symbol rates and the full suite of SCCC ModCods.
A COTS-based low-cost version offering also DVB-S2 ModCods is planned.
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