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Wideband Flexible front-End Design for DTH Receivers

In order exploit the widest possible range of potential applications, the following key features for the targeted wideband flexible front-end, being an essential part of a satellite receiver, have been identified:

  • highly flexible digital channelization for

    • single wideband carrier (up to 500 MHz bandwidth) reception
    • multiple carriers (with an aggregate bandwidth of up to 500 MHz) reception

  • designed signal dynamic range to support full range of extended DVB-S2 MODCODs, thus the application of ACM

  • mitigation of potential front-end imperfections

  • additional processing to adequately support digital beam-forming (including provisions for calibration) based on antenna arrays with a moderate number of feeds/LNBs

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Wideband Flexible Front-End
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