Revision 2.2
5-10
ChannelMaster TX1 Transmitter
Table 5-2 ChannelMaster 7 MHz B/W Data Rates
Modulation
Code
Rate
Guard Interval
System 1/32 1/16 1/8 1/4
IF = 7.999999875 MHz Flo = 62.000000125 MHz
BW = 7 MHz
Clk=32.0000 Mbit/s
Data Rate (Mbit/s)
1/2 5.27807525 5.12283713
4.8382355 4.35441213
2/3 7.037433375
6.8304495 6.45098038
5.80588225
QPSK
3/4 7.917112 7.68425613
7.25735325
6.53161775
5/6 8.7967915 8.53806188
8.06372525
7.25735325
7/8 9.23663125 8.96496563
8.46691213
7.620221
1/2 10.5561505 10.2456743
9.676471 8.70882425
2/3 14.07486675
13.660899 12.9019608
11.6117645
16-QAM
3/4 15.834224 15.3685123
14.5147065
13.0632355
5/6 17.593583 17.0761238
16.1274505
14.5147065
7/8 18.4732625 17.9299313
16.9338243
15.240442
1/2 15.83422575
15.3685114
14.5147065
13.0632364
2/3 21.11230013
20.4913485
19.3529411
17.4176468
64-QAM
3/4 23.751336 23.0527684
21.7720598
19.5948533
5/6 26.3903745 25.6141856
24.1911758
21.7720598
7/8 27.70989375
26.8948969
25.4007364
22.860663
Table 5-3 ChannelMaster 6 MHz B/W Data Rates
Modulation
Code
Rate
Guard Interval
System 1/32 1/16 1/8 1/4
IF = 6.85714275 MHz Flo = 63.14285725 MHz
BW = 6 MHz
Clk=27.428571 Mbit/s
Data Rate (Mbit/s)
1/2 4.5240645 4.48248248
4.2334561 3.81011061
2/3 6.03208575 5.854671 5.5294118 4.9764705
QPSK
3/4 6.786096 6.58650525
6.2205885 5.5985295
5/6 7.540107 7.31833875
6.9117645 6.2205885
7/8 7.9171125 7.68425625
7.2573533 6.531618
1/2 9.048129 8.7820065 8.294118 7.4647065
2/3 12.0641715 11.709342 11.058824 9.952941
16-QAM
3/4 13.572192 13.1730105
12.441177 11.197059
5/6 15.080214 14.6366775
13.823529 12.441177
7/8 15.834225 15.3685125
14.514707 13.063236
1/2 13.5721935 13.1730098
12.441177 11.1970598
2/3 18.0962573 17.564013 16.588235 14.9294115
64-QAM
3/4 20.358288 19.7595158
18.661766 16.7955885
5/6 22.620321 21.9550163
20.735294 18.6617655
7/8 23.7513375 23.0527688
21.77206 19.594854