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Comtech EF Data CDD-562AL User Manual

Page 224

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CDD-562AL/564A/L Multi-Channel Demodulator

Revision 0

Forward Error Correction

MN-CDD562AL564AL

A–16

Figure A-10. VersaFEC Codec Rates 0.731, 0.780, 0.829, and 0.853 16-QAM

1E-9

1E-8

1E-7

1E-6

1E-5

1E-4

1E-3

1E-2

1E-1

1 2 3 4 5 6 7 8 9 10 11 12

Eb/No in dB

Rate

0.780

16-QAM

Uncoded BPSK/QPSK

Typical Performance shown -

guaranteed performance curves

are 0.3dB to the right

Rate

0.731

16-QAM

1 2 3 4 5 6 7 8 9 10 11 12

BER

Comtech VersaFEC® Codec

Rate 0.731, 0.780, 0.829

and 0.853 16-QAM

Uncoded 16-QAM

Rate

0.829

16-QAM

Rate

0.853

16-QAM

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