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Comtech EF Data OM20 User Manual

Page 151

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OM20 Universal Outdoor Modem

Technical Specifications

MN-OM20– Revision 5

8–7

8.13 OM20 / BER Specifications

8.13.1 BER Performance (Viterbi)

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

Decoder

Specification

1/2 Rate

Specification

3/4 Rate

Specification

7/8 Rate

Typical

Performance

B/O/QPSK Uncoded Theory

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

Figure 8-1. OM20 B/O/QPSK BER Performance (Viterbi)

See also other documents in the category Comtech EF Data Equipment: