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SLM-7650 Satellite Modem
Operation
3.3
Digital Data Rate and Symbol Rate
The digital data rate is selectable in 1 bit/s increments, from 9.6 kbps to 20.0 Mbps
depending on modulation type, code rate, and overhead. The symbol rate range is
9.6 kS/s to 10.0 MS/s, and is a limiting factor to data rate. See for Table 3-3 details.
Operating Mode
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
7650-00, CEFD Clsd
CEFD Clsd
CEFD Clsd
CEFD Clsd
CEFD Clsd
CEFD Clsd
CEFD Clsd
CEFD Clsd
CEFD Clsd
CEFD Clsd
CEFD Clsd
CEFD Clsd
7650-02, Async
7650-02, Async
7650-02, Async
7650-02, Async
7650-02, Async
7650-02, Async
7650-02, Async
7650-02, Async
7650-02, Async
Table 3-3. Data Rate Ranges
Modulation/Coding
BPSK, Uncoded
QPSK, OQPSK Uncoded
BPSK 1/2
QPSK, OQPSK 1/2
QPSK, OQPSK 3/4
QPSK, OQPSK 7/8
8-PSK 2/3
8-PSK 5/6
BPSK 1/2
QPSK, OQPSK 1/2
QPSK, OQPSK 3/4
QPSK, OQPSK 7/8
8-PSK 2/3
8-PSK 5/6
16-QAM 3/4
16-QAM 7/8
BPSK 21/44
BPSK 5/16
QPSK, OQPSK 21/44
QPSK, OQPSK 3/4
QPSK, OQPSK 7/8
QPSK, OQPSK 17/18
8-PSK 3/4
8-PSK 7/8
8-PSK 17/18
16-QAM 3/4
16-QAM 7/8
BPSK, Uncoded
QPSK, OQPSK Uncoded
BPSK 1/2
QPSK, OQPSK 1/2
QPSK, OQPSK 3/4
QPSK, OQPSK 7/8
8-PSK 2/3
8-PSK 5/6
BPSK 1/2
FEC/Overhead Type
None
None
Viterbi
Viterbi
Viterbi
Viterbi
Trellis
Trellis
Viterbi and R-S
Viterbi and R-S
Viterbi and R-S
Viterbi and R-S
Trellis and R-S
Trellis and R-S
Viterbi and R-S
Viterbi and R-S
TPC
TPC
TPC
TPC
TPC
TPC
TPC
TPC
TPC
TPC
TPC
Async
Async
Viterbi, Async
Viterbi, Async
Viterbi, Async
Viterbi, Async
Trellis, Async
Trellis, Async
Viterbi and R-S, Async
3-6
Revision 4
MN/SLM7650.IOM
Min DR (kbps)
Max DR
(Mbps)
9.60
10.000
19.20
20.000
9.60
5.000
9.60
10.000
14.40
15.000
16.80
17.500
64.00
20.000
80.00
20.000
9.60
4.555
9.60
9.111
13.12
13.666
15.31
15.944
64.00
18.222
80.00
20.000
256.00
20.000
256.00
20.000
9.60
4.772
9.60
3.125
9.60
9.545
14.40
15.000
16.80
17.500
18.13
18.888
72.00
20.000
84.00
20.000
90.60
20.000
256.00
20.000
256.00
20.000
9.60
8.448
18.00
8.448
9.60
4.687
9.60
8.448
13.50
8.448
15.75
8.448
64.00
8.448
80.00
8.448
9.60
8.448
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