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SDM-300L3 Satellite Modem
Specifications
14.7
L-Band Demodulator Specifications
14.7.1
Digital Data Rate
The digital data rate is selectable in 1 bit/s steps. The modem automatically calculates and
sets the symbol rate. Data rates entered that exceed the data rate or symbol rate
specification are rejected at entry.
The symbol rate range is 4.8 to 2500 kHz.
Demodulation
Type
BPSK 1/2
{O}QPSK 1/2
{O}QPSK 3/4
{O}QPSK 7/8
8-PSK 2/3
BPSK 1/2
QPSK 1/2
QPSK 3/4
QPSK 7/8
BPSK 1/2
{O}QPSK 1/2
{O}QPSK 3/4
{O}QPSK 7/8
8-PSK 2/3
BPSK 1/2
QPSK 1/2
QPSK 3/4
QPSK 7/8
BPSK 5/16
BPSK 21/44
{O}QPSK 1/2
{O}QPSK 3/4
8-PSK 3/4
Table 14-7. Demodulator Digital Data Rate
Encoding Type
Viterbi
Viterbi
Viterbi
Viterbi
Viterbi
Sequential
Sequential
Sequential
Sequential
Viterbi and Reed-Solomon
Viterbi and Reed-Solomon
Viterbi and Reed-Solomon
Viterbi and Reed-Solomon
Trellis and Reed-Solomon
Sequential and Reed-Solomon
Sequential and Reed-Solomon
Sequential and Reed-Solomon
Sequential and Reed-Solomon
Turbo
Turbo
Turbo
Turbo
Turbo
2.4 kbps
4.8 kbps
7.2 kbps
8.4 kbps
512 kbps
2.4 kbps
4.8 kbps
7.2 kbps
8.4 kbps
2.4 kbps
4.8 kbps
7.2 kbps
8.4 kbps
512 kbps
2.4 kbps
4.8 kbps
7.2 kbps
8.4 kbps
2.4 kbps
2.4 kbps
4.8 kbps
7.2 kbps
384 kbps
14–15
MN/SDM300L3.IOM
Data Rate Range
1.25 Mbps
2.5 Mbps
3.75 Mbps
4.375 Mbps
5.0 Mbps
1.25 Mbps
2.5 Mbps
3.75 Mbps
4.375 Mbps
1.138 Mbps
2.277 Mbps
3.416 Mbps
3.986 Mbps
4.555 Mbps
1.138 Mbps
2.277 Mbps
3.416 Mbps
3.986 Mbps
781.25 kbps
1193 kbps
2386 kbps
3750 kbps
5.0 Mbps
Revision 0
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