Operating instructions

Technical Specifications DMD50 Universal Satellite Modem
7-20 TM118 – Rev. 1.1
1/2 Rate 3/4 Rate 7/8 Rate 1/2 Rate 3/4 Rate 7/8 Rate
1E-3 4.2 dB 5.3 dB 6.2 dB 3.9 dB 4.9 dB 5.8 dB
1E-4 4.8 dB 6.1 dB 7.1 dB 4.5 dB 5.6 dB 6.5 dB
1E-5 5.5 dB 6.8 dB 7.9 dB 5.1 dB 6.3 dB 7.2 dB
1E-6 6.1 dB 7.6 dB 8.6 dB 5.7 dB 7 dB 7.9 dB
1E-7 6.7 dB 8.3 dB 9.3 dB 6.2 dB 7.7 dB 8.6 dB
1E-8 7.4 dB 8.9 dB 10.2 dB 6.8 dB 8.4 dB 9.4 dB
1E-9 8.2 dB 9.7 dB 11 dB 7.4 dB 9.1 dB 10 dB
1E-10 9 dB 10.3 dB 11.7 dB 8.1 dB 9.8 dB 10.5 dB
BER
Table 7-1 - B/O/QPSK BER Performance (Viterbi)
Specification Typical
1/2 Rate 3/4 Rate 7/8 Rate 1/2 Rate 3/4 Rate 7/8 Rate
1E-3 4.8 dB 5.2 dB 6 dB 4.3 dB 4.7 dB 5.5 dB
1E-4 5.2 dB 5.7 dB 6.4 dB 4.7 dB 5.2 dB 5.9 dB
1E-5 5.6 dB 6.1 dB 6.9 dB 5.1 dB 5.6 dB 6.4 dB
1E-6 5.9 dB 6.5 dB 7.4 dB 5.4 dB 6.1 dB 6.9 dB
1E-7 6.3 dB 7 dB 7.9 dB 5.8 dB 6.5 dB 7.4 dB
1E-8 6.7 dB 7.4 dB 8.4 dB 6.2 dB 6.9 dB 7.9 dB
1E-9 7.1 dB 7.8 dB 8.9 dB 6.6 dB 7.4 dB 8.4 dB
1E-10 7.4 dB 8.3 dB 9.4 dB 6.9 dB 7.8 dB 8.9 dB
BER Specification Typical
Table 7-2 - B/O/QPSK BER Performance
(
Sequential
)
1/2 Rate 3/4 Rate 7/8 Rate 1/2 Rate 3/4 Rate 7/8 Rate
1E-3 3.3 dB 5.1 dB
-
3 dB 4.3 dB 5.3 dB
1E-4 3.5 dB 5.3 dB
-
3.2 dB 4.5 dB 5.7 dB
1E-5 3.8 dB 5.4 dB 6.5 dB 3.4 dB 4.7 dB 6 dB
1E-6 4.1 dB 5.6 dB 6.7 dB 3.6 dB 4.9 dB 6.4 dB
1E-7 4.2 dB 5.8 dB 6.9 dB 3.8 dB 5.1 dB 6.7 dB
1E-8 4.4 dB 6 dB 7.2 dB 4 dB 5.3 dB 7.1 dB
1E-9 4.7 dB 6.1 dB 7.5 dB 4.2 dB 5.4 dB 7.4 dB
1E-10 5 dB 6.3 dB 7.8 dB 4.4 dB 5.6 dB 7.7 dB
Table 7-3 - B/O/QPSK BER Performance (Viterbi - w/RS)
BER Specification Typical