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J.83B Modulator IP

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  • 32-channel 64-QAM/256-QAM J.83 Annex B Cable Modulator
    • Fully synchronous design, using single clock
    • Fully synthesizable drop-in module for FPGAs
    • Optimized for high performance and low resources
  • Cable Modulator J.83 Annex B
    • ITU-T J.83 Annex B Compliant baseband transmitter for Cable Modem Termination Systems (CMTS)
    • Drop-in module for Spartan-6™, Virtex-6™, Artix-7™, intex-7™, Virtex-7™ FPGAs and Zynq™
    • Single clock (up to 160 MHz)
    • Robust SPI input (discarding incorrect input packets)
    Block Diagram -- Cable Modulator J.83 Annex B
  • Multi-channel DVB-C / J83 FEC encoder
    • The CMS0044 J.83abc/DVB-C Cable FEC Encoder combines all of the channel coding and Forward Error Correction functions specified by DVB-C and by J83 Annexes A B and C.
    • It is designed to interface to external modulators or advanced upconverting DACs such as the Analog Devices AD9789.
    Block Diagram -- Multi-channel DVB-C / J83 FEC encoder
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