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Comtech EF Data DMD1050 User Manual

Page 82

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DMD1050 Satellite Modem Board

Technical Specifications

MN-DMD1050

6–6

Revision 9

6.10 DMD1050 BER Specifications

6.10.1 BER Performance (Viterbi)

Note: Eb/No values include the effect of using Differential Decoding and V.35 descrambling.

1E-9

1E-8

1E-7

1E-6

1E-5

1E-4

1E-3

1E-2

1E-1

0

1

2

3

4

5

6

7

8

9

10

11

12

Eb/No in dB

BE
R

Viterbi

Decode

Specification

1/2 Rate

Specification

3/4 Rate

Specification

7/8 Rate

Typical

Performance

B/O/QPSK Uncoded Theory

Figure 6-1. B/O/QPSK BER Performance (Viterbi)