Table 2-7. Data Rate Range: Short Frame (188 Byte Format) - Comtech EF Data CDM-710 Installation And Operation Manual
70-140 mhz/l-band broadcast satellite modem
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- Installation and operation manual (242 pages) ,
- Installation and operation manual (248 pages)
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CDM-710/L Broadcast Satellite Modem
Specifications
Table 2-7. Data Rate Range: Short Frame (188 Byte Format)
Inner
Modulation FEC Code
Code
Rate
DVB-S2 - Short FEC Frame = 16,200 Bits
1/4
1/3
2/5
1/2
3/5
QPSK
LDPC+BCH
2/3
3/4
4/5
5/6
8/9
9/10
3/5
2/3
3/4
8PSK
LDPC+BCH
5/6
8/9
9/10
2/3
3/4
4/5
16APSK
LDPC+BCH
5/6
8/9
9/10
3/4
4/5
32APSK
LDPC+BCH
5/6
8/9
9/10
Symbol Rate
Data Rate (Mbps)
Spectral
(Msps)
Pilot OFF
Efficiency
Pilot OFF
Min
Max
Min
0.365324
0.365324 16.439560
0.629060
0.629060 28.307692
0.760928
0.760928 34.241758
0.848840
0.848840 38.197802
1.156532
1.156532 52.043956
1
45
1.288400
1.288400 57.978022
1.420269
1.420269 63.912088
1.508181
1.508181 67.868132
1.596093
1.596093 71.824176
1.727961
1.727961 77.758242
N/A
N/A
1.725319
1.725319 77.639344
1.922040
1.922040 86.491803
2.118761
2.118761 95.344262
1
45
2.381056
2.381056 107.147541
2.577778
2.577778 116.000000
N/A
N/A
2.548792
2.548792 89.207729
2.809662
2.809662 98.338164
2.983575
2.983575 104.425121
1
35
3.157488
3.157488 110.512077
3.418357
3.418357 119.642512
N/A
N/A
3.493093
3.493093 97.806607
3.709309
3.709309 103.860661
1
28
3.925526
3.925526 109.914715
4.249850
4.249850 118.995796
N/A
N/A
2–18
MN/CDM710.IOM
Data Rate (Mbps)
Spectral
Efficiency Pilot
ON
Max
Min
0.357467
0.357467
0.615532
0.615532
0.744564
0.744564
0.830585
0.830585
1.131661
1.131661
1.260693
1.260693
1.389725
1.389725
1.475747
1.475747
1.561768
1.561768
1.690800
1.690800
N/A
N/A
N/A
1.692033
1.692033
1.884959
1.884959
2.077885
2.077885
2.335120
2.335120
2.528046
2.528046
N/A
N/A
N/A
2.505223
2.505223
2.761633
2.761633
2.932574
2.932574
3.103514
3.103514
3.359924
3.359924
N/A
N/A
N/A
3.419165
3.419165
3.630805
3.630805
3.842446
3.842446
4.159906
4.159906
N/A
N/A
N/A
Revision 12
Pilot ON
Max
16.086022
27.698925
33.505376
37.376344
50.924731
56.731183
62.537634
66.408602
70.279570
76.086022
N/A
76.141479
84.823151
93.504823
105.080386
113.762058
N/A
87.682811
96.657170
102.640076
108.622982
117.597341
N/A
95.736626
101.662551
107.588477
116.477366
N/A
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