Comtech EF Data CDM-570 - Manual (Page 186)

CDM-570/570L Satellite Modem with Optional IP Module Revision 12
Forward Error Correction Options MN/CDM570L.IOM
8–20
Figure 8-11. Differential Encoding – No FEC, No Scrambling
1E-9
1E-8
1E-7
1E-6
1E-5
1E-4
1E-3
1E-2
1E-1
1 2 3 4 5 6 7 8 9 10 11 12
Eb/No in dB
Uncoded BPSK/QPSK
Differential
Encoding -
No FEC, no
scrambling
1 2 3 4 5 6 7 8 9 10 11 12
BER