Comtech EF Data CDM-425 Installation And Operation Manual page 53

(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
VersaFEC-2 Short Block
CODEC BER
BPSK
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
VersaFEC-2 Short Block
CODEC BER
QPSK
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
VersaFEC-2 Short Block
CODEC BER
8-ARY
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
VersaFEC-2 Short Block
CODEC BER
16-ARY
Introduction
Rate 0.757 32-ARY
BER=10 8.0 dB (7.7 dB)
-4
BER=10 8.2 dB (7.9 dB)
-8
Rate 0.855 32-ARY
BER=10 9.8 dB (9.5 dB)
-4
BER=10 10.0 dB (9.7 dB)
-8
For BER=10
-X
Rate 0.489 BPSK
BER=10 2.6 dB (2.3 dB)
-4
BER=10 3.2 dB (2.9 dB)
-8
Rate 0.489 QPSK
BER=10 2.3 dB (1.4 dB)
-4
BER=10 2.7 dB (1.6 dB)
-8
Rate 0.635 QPSK
BER=10 2.8 dB (2.5 dB)
-4
BER=10 3.2 dB (2.9 dB)
-8
Rate 0.521 8-ARY
BER=10 3.5 dB (3.2 dB)
-4
BER=10 4.0 dB (3.7 dB)
-8
Rate 0.611 8-ARY
BER=10 3.9 dB (3.6 dB)
-4
BER=10 4.3 dB (4.0 dB)
-8
Rate 0.708 8-ARY
BER=10 4.5 dB (4.2 dB)
-4
BER=10 4.8 dB (4.5 dB)
-8
Rate 0.586 16-ARY
BER=10 4.8 dB (4.5 dB)
-4
BER=10 5.3 dB (5.0 dB)
-8
CDM-425 Advanced Satellite Modem
Rate 0.782 32-
ARY
8.4 dB (8.1 dB)
8.6 dB (8.3 dB)
Rate 0.879 32-
ARY
10.4 dB (10.1 dB)
10.6 dB (10.3 dB)
Rate – Guaranteed Eb/No (typical value in parentheses)
Rate 0.537 QPSK
2.4 dB (2.1 dB)
2.0 dB (1.7 dB)
Rate 0.660 QPSK
2.9 dB (2.6 dB)
3.3 dB (3.0 dB)
Rate 0.537 8-ARY
3.5 dB (3.2 dB)
4.1 dB (3.8 dB)
Rate 0.635 8-ARY
3.9 dB (3.6 dB)
4.4 dB (4.1 dB)
Rate 0.733 8-ARY
4.8 dB (4.5 dB)
5.2 dB (4.9 dB)
Rate 0.611 16-
ARY
5.0 dB (4.7 dB)
5.4 dB (5.1 dB)
1–23
Revision 0
Rate 0.801 32-ARY Rate 0.831 32-
8.8 dB (8.5 dB)
9.1 dB (8.8 dB)
9.0 dB (8.7 dB)
9.3 dB (9.0 dB)
Rate 0.586 QPSK Rate 0.611 QPSK
2.5 dB (2.2 dB) 2.6 dB (2.3 dB)
3.0 dB (2.7 dB) 3.1 dB (2.8 dB)
Rate 0.684 QPSK Rate 0.733 QPSK
3.0 dB (2.7 dB) 3.4 dB (3.1 dB)
3.4 dB (3.1 dB) 3.8 dB (3.5 dB)
Rate 0.562 8-ARY Rate 0.586 8-ARY
3.6 dB (3.6 dB) 3.7 dB (3.4 dB)
4.2 dB (3.9 dB) 4.2 dB (3.9 dB)
Rate 0.660 8-ARY Rate 0.684 8-ARY
4.1 dB (3.8 dB) 4.4 dB (4.1 dB)
4.5 dB (4.2 dB) 4.7 dB (4.4 dB)
Rate 0.635 16-ARY Rate 0.660 16-
5.3 dB (5.0 dB)
5.5 dB (5.2 dB)
5.6 dB (5.3 dB)
5.8 dB (5.5 dB)
MN-CDM-425
ARY
ARY