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A high-speed, on-board multi-carrier demodulator for DVB-RCS applications

The fully digital multi-carrier demodulator for the SpaceMux™ On-Board Multimedia Processor implements a focussed subset of the DVB-RCS transmission standard. This paper describes the design constraints and system considerations influencing the trades-off, and the ensuing design. Aspects of the ASIC technology chosen for implementation are also addressed, as is the performance in the presence of signal imperfections.