Comtech EF Data SDM-300L - Manual (Page 19)

Introduction SDM-300L Satellite Modem
1–8 Rev. 2
Table 1-3. General Specifications (Continued)
BER and Eb/No Performance
Sequential Decoder
BPSK (1/2 Only) QPSK and OQPSK
Data Rate:
100 kbit/s
BER
10 -5
10 -7
1/2
4.5 dB
5.4 dB
3/4
5.5 dB
6.4 dB
7/8
6.6 dB
7.8 dB
Data Rate:
1.544 Mbit/s
BER
10 -5
10 -7
1/2
5.6 dB
6.3 dB
3/4
6.1 dB
7.0 dB
7/8
6.9 dB
7.9 dB
Viterbi Decoder
BPSK (1/2 Only) QPSK and OQPSK
BER
10 -5
10 -6
10 -7
10 -8
1/2
5.3 dB
6.0 dB
6.6 dB
7.2 dB
3/4
6.4 dB
7.2 dB
7.9 dB
8.5 dB
7/8
7.6 dB
8.3 dB
8.9 dB
9.6 dB
Concatenated Reed-Solomon Codes
BPSK (1/2 Only) QPSK and OQPSK
BER
10 -6
10 -7
10 -8
1/2
4.1 dB
4.2 dB
4.4 dB
3/4
5.6 dB
5.8 dB
6.0 dB
7/8
6.7 dB
6.9 dB
7.1 dB