Revision 2.2
Operation
5-9
5.6 Data Rate
Use the following tables to identify the resulting Data Rate that will be set when
selecting the ChannelMaster's Code Rate:
(Modulation>Parameter Setup> COFDM >Code Rate)
Table 5-1ChannelMaster 8 MHz B/W Data Rates
Modulation
Code
Rate
Guard Interval
System 1/32 1/16 1/8 1/4
IF = 9.142857 MHz Flo = 60.857143 MHz
BW = 8 MHz
Clk=36.571429 Mbit/s
Data Rate (Mbit/s)
1/2 6.032086 5.854671 5.529412 4.976471
2/3 8.042781 7.806228 7.372549 6.635294
QPSK
3/4 9.048128 8.782007 8.294118 7.464706
5/6 10.053476 9.757785 9.215686 8.294118
7/8 10.55615 10.245675 9.676471 8.708824
1/2 12.064172 11.709342 11.058824 9.952942
2/3 16.085562 15.612456 14.745098 13.270588
16-QAM
3/4 18.096256 17.564014 16.588236 14.929412
5/6 20.106952 19.51557 18.431372 16.588236
7/8 21.1123 20.49135 19.352942 17.417648
1/2 18.096258 17.564013 16.588236 14.929413
2/3 24.128343 23.418684 22.117647 19.905882
64-QAM
3/4 27.144384 26.346021 24.882354 22.394118
5/6 30.160428 29.273355 27.647058 24.882354
7/8 31.66845 30.737025 29.029413 26.126472