Comtech EF Data SDM-650B - Manual (Page 35)

SDM-650B Satellite Modem Introduction
Rev. 5 1–11
10
-4
10 -3
10 -5
10
-6
BER
10
-7
10 -9
10
-8
10 -10
3.0 4.0 5.0 6.0
E
b
/N
0
(dB)
7.0 8.0 9.0 10.0 11.0
10 -2
100 kbit/s
or
1544 kbit/s
SPECIFICATIONS
Figure 1-7. Viterbi Decoder BER Performance Curves (1/2 Rate)