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Comtech EF Data CDM-700 User Manual

Page 132

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CDM-700 High Speed Satellite Modem

Revision 5

Forward Error Correction Options MN/CDM700.IOM

7–6


1.0E-10

1.0E-09

1.0E-08

1.0E-07

1.0E-06

1.0E-05

1.0E-04

2

3

4

5

6

7

8

9

10

11

12

13

14

Eb/No (dB)

BE

R

Rate 7/8 TPC QPSK, 8PSK, 16-QAM, 64-QAM

Spec Limit

QPSK 7/8

Spec Limit

8PSK 7/8

Spec Limit

16-QAM 7/8

Spec Limit

64-QAM 7/8

Typical

Typical

Typical

Figure 7-4. Rate 7/8 TPC QPSK, 8-PSK, 16-QAM, 64-QAM