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Modulator(QAM2000)
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QAM2000 completely comply with DVB-C. TV signal stream is
compressed and encoded by MPEC-2 encoder, and multiplexed with
other data stream. The multiplex stream is sent into the QAM
modulation and encoded according to the DVB technical criterion,
such as interleaving, RS coding, etc. After management at
intermediate frequency the data stream gets through the upper
frequency conversion and stays at TV channels for the transmission
on HFC or microwave MMDS network. The QAM2000 modulation can
be used in digital TV, digital broadcasting, VOD, Internet, TV
conference and other digital broadband application. It helps to
provide stable and high quality transmission and suits for channels
such as digital microwave, satellite broadcasting, coaxial cable, etc.
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