Our Applications & Solutions

8VSB/QAM to ASI Gateways


The DDM6800+D digital demodulator module is packed with a rich list of features, the DDM6800+D is capable of receiving 256 QAM (Annex B) clear modulated RF signals and provides an industry-standard ASI output for distribution or decoding.

The DDM6800+D is fully interoperable with other modules in the extensive Harris 6800+ core processing platform. When used with the MFD6800+ module, the DDM6800+D forms the front end of a cost-effective, multiformat receiver/decoder. Alternatively, when used with the IPA6800+, the DDM6800+D allows for the distribution of program streams anywhere over a Wide Area Network (WAN).


  • Tuner supports the following modulation types:
    ◦ 8-VSB
    ◦ 256 QAM (clear)
  • One F-type RF input
  • 55 to 860 MHz input frequency selection
  • Input level:
    ◦ 256 QAM: -9 dBmV to +12 dBmV
  • Cable standard channels: 2-134
  • Control using CCSP

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