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Comtech EF Data SNM-1001L User Manual

Page 189

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SNM-1001L Satellite Modem

Revision 1

Forward Error Correction Options

MN/SNM1001L.IOM

7–13

BPSK/QPSK Sequential Decoder 1544 Kbps

1.0E-09

1.0E-08

1.0E-07

1.0E-06

1.0E-05

1.0E-04

1.0E-03

1.0E-02

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

11.0

12.0

Eb/No (dB)

BER

Specification Limit
Rate 7/8 Coding

Specification Limit
Rate 3/4 Coding

Specification Limit
Rate 1/2 Coding

Figure 7-7. Sequential Decoder and 1544 kbps