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DTE-3114 – Networked Quad QAM Modulator
USER
MANUAL
27
Symbol rate (MBd)
Bandwidth (MHz)
Bitrate (Mbps)
128-QAM
4.48*
5.15
28.900392
6.875
7.91
44.350490
6.89
7.92
44.447255
6.90
7.94
44.511765
6.92
7.96
44.640784
6.95
7.99
44.834314
256-QAM
4.48*
5.15
33.029020
6.875
7.91
50.686275
6.89
7.92
50.796863
6.90
7.94
50.870588
6.92
7.96
51.018039
6.95
7.99
51.239216
* Not a typical DVB-C bitrate. This is the minimum symbol rate that can be handled by the DTE-3114.
ITU-T J.83 Annex B (“QAM-B”)
Symbol rate (MBd)
Bandwidth (MHz)
Bitrate (Mbps)
64-QAM
4.48*
5.29
23.893333
5.056941
5.97
26.970352
256-QAM
4.48*
5.02
32.435545
5.360537
6.00
38.810701
* Not a typical QAM-B bitrate. This is the minimum symbol rate that can be handled by the DTE-3114.
ITU-T J.83 Annex C (“QAM-C”, Japan)
Symbol rate (MBd)
Bandwidth (MHz)
Bitrate (Mbps)
32-QAM
4.48*
5.06
20.643137
5.25
5.93
24.191176
5.30
5.99
24.421569
64-QAM
4.48*
5.06
24.771765
5.25
5.93
29.029412
5.30
5.99
29.305882
128-QAM
4.48*
5.06
28.900392
5.25
5.93
33.867647
5.30
5.99
34.190196
256-QAM
4.48*
5.06
33.029020
5.25
5.93
38.705882
5.30
5.99
39.074510
* Not a typical QAM-C bitrate. This is the minimum symbol rate that can be handled by the DTE-3114.