CDM-750 Advanced High-Speed Trunking Modem
Adaptive Coding and Modulation (ACM) Option
ModCod
ModCod
#
QPSK 1/4
1
QPSK 1/3
2
QPSK 2/5
3
QPSK 1/2
4
QPSK 3/5
5
QPSK 2/3
6
QPSK 3/4
7
QPSK 4/5
8
QPSK 5/6
9
QPSK 8/9
10
QPSK 9/10
11
8PSK 3/5
12
8PSK 2/3
13
8PSK 3/4
14
8PSK 5/6
15
8PSK 8/9
16
8PSK 9/10
17
16APSK 2/3
18
16APSK 3/4
19
16APSK 4/5
20
16APSK 5/6
21
16APSK 8/9
22
16APSK 9/10
23
32APSK 3/4
24
32APSK 4/5
25
32APSK 5/6
26
32APSK 8/9
27
32APSK 9/10
28
Table 7-6. Data Rate by Option Symbol Rate
Spectral
Efficiency
Maximum
64,800
Data Rate
FECFrame
at 5 Msps
Pilots ON
0.478577
-
0.640827
-
0.770627
-
0.965327
4.83
1.160026
5.80
1.290788
6.45
1.452076
7.26
1.549426
7.75
1.615288
8.08
1.724416
8.62
1.746049
8.73
1.739569
8.70
1.935658
9.68
2.177525
10.89
2.422276
12.11
2.585924
12.93
2.618365
13.09
2.574613
12.87
2.896320
14.48
3.090495
15.45
3.221863
16.11
3.439530
17.20
3.482680
17.41
3.623332
18.12
3.866247
19.33
4.030589
20.15
4.302894
21.51
4.356875
21.78
Maximum
Maximum
Data Rate
Data Rate
at 15 Msps
at 34 Msps
-
-
-
14.48
32.82
17.40
39.44
19.36
43.89
21.78
49.37
23.24
52.68
24.23
54.92
25.87
58.63
26.19
59.37
26.09
59.15
29.03
65.81
32.66
74.04
36.33
82.36
38.79
87.92
39.28
89.02
38.62
87.54
43.44
98.47
46.36
105.08
48.33
109.54
51.59
116.94
52.24
118.41
54.35
123.19
57.99
131.45
60.46
137.04
64.54
146.30
65.35
148.13
7–14
Revision 1
MN-CDM750
Maximum
Maximum
Data Rate
Data Rate
at 47
Msps
-
-
-
-
-
-
45.37
54.52
60.67
68.25
72.82
75.92
101.76
81.05
108.64
82.06
110.00
81.76
109.59
90.98
121.95
102.34
137.18
113.85
152.60
121.54
162.91
123.06
164.96
121.01
121.01
136.13
136.13
145.25
145.25
151.43
151.43
161.66
161.66
163.69
163.69
137.69
137.69
146.92
146.92
153.16
153.16
163.51
163.51
165.56
165.56
at 63
Msps
-
-
-
60.82
73.08
81.32
91.48
97.61
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