CDM-425 Advanced Satellite Modem
Revision 0
Introduction
1–22
MN-CDM-425
VersaFEC-2 Long Block
CODEC BER
QPSK
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
BER=10
-4
BER=10
-8
Rate 0.489 QPSK
1.7 dB (1.4 dB)
1.9 dB (1.6 dB)
Rate 0.537 QPSK
1.8 dB (1.5 dB)
2.0 dB (1.7 dB)
Rate 0.586 QPSK
2.0 dB (1.7 dB)
2.2 dB (1.9 dB)
Rate 0.611 QPSK
2.1 dB (1.8 dB)
2.2 dB (1.9 dB)
BER=10
-4
BER=10
-8
Rate 0.635 QPSK
2.3 dB (2.0 dB)
2.5 dB (2.2 dB)
Rate 0.660 QPSK
2.4 dB (2.1 dB)
2.6 dB (2.3 dB)
Rate 0.684 QPSK
2.4 dB (2.1 dB)
2.6 dB (2.3 dB)
Rate 0.733 QPSK
2.8 dB (2.5 dB)
3.0 dB (2.7 dB)
VersaFEC-2 Long Block
CODEC BER
8-ARY
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
BER=10
-4
BER=10
-8
Rate 0.521 8-ARY
3.2 dB (2.9 dB)
3.5 dB (3.2 dB)
Rate 0.537 8-ARY
3.2 dB (2.9 dB)
3.6 dB (3.3 dB)
Rate 0.562 8-ARY
3.3 dB (3.0 dB)
3.6 dB (3.6 dB)
Rate 0.586 8-ARY
3.3 dB (3.0 dB)
3.6 dB (3.6 dB)
BER=10
-4
BER=10
-8
Rate 0.611 8-ARY
3.4 dB (3.1 dB)
3.7 dB (3.4 dB)
Rate 0.635 8-ARY
3.5 dB (3.2 dB)
3.7 dB (3.4 dB)
Rate 0.660 8-ARY
3.7 dB (3.4 dB)
3.8 dB (3.5 dB)
Rate 0.684 8-ARY
3.9 dB (3.6 dB)
4.1 dB (3.8 dB)
BER=10
-4
BER=10
-8
Rate 0.708 8-ARY
4.0 dB (3.7 dB)
4.2 dB (3.9 dB)
Rate 0.733 8-ARY
4.3 dB (4.0 dB)
4.4 dB (4.1 dB)
VersaFEC-2 Long Block
CODEC BER
16-ARY
(With two adjacent
carriers, each 7 dB
higher than the desired
carrier)
BER=10
-4
BER=10
-8
Rate 0.586 16-ARY
4.4 dB (4.1 dB)
4.7 dB (4.4 dB)
Rate 0.611 16-
ARY
4.7 dB (4.4 dB)
5.0 dB (4.7 dB)
Rate 0.635 16-ARY
4.9 dB (4.6 dB)
5.2 dB (4.9 dB)
Rate 0.660 16-
ARY
5.1 dB (4.8 dB)
5.3 dB (5.0 dB)
BER=10
-4
BER=10
-8
Rate 0.684 16-ARY
5.3 dB (5.0 dB)
5.5 dB (5.2 dB)
Rate 0.708 16-
ARY
5.6 dB (5.3 dB)
5.8 dB (5.5 dB)
Rate 0.733 16-ARY
5.9 dB (5.6 dB)
6.1 dB (5.8 dB)
Rate 0.757 16-
ARY
6.2 dB (5.9 dB)
6.4 dB (6.1 dB)
BER=10
-4
BER=10
-8
Rate 0.782 16-ARY
6.5 dB (6.2 dB)
6.7 dB (6.4 dB)
VersaFEC-2 Long Block
CODEC BER
32-ARY
BER=10
-4
BER=10
-8
Rate 0.660 32-ARY
6.8 dB (6.5 dB)
7.1 dB (6.8 dB)
Rate 0.684 32-
ARY
7.2 dB (6.9 dB)
7.5 dB (7.2 dB)
Rate 0.708 32-ARY
7.4 dB (7.1 dB)
7.7 dB (7.4 dB)
Rate 0.733 32-
ARY
7.7 dB (7.4 dB)
8.0 dB (7.7 dB)
Содержание CDM-425
Страница 30: ...CDM 425 Advanced Satellite Modem Revision Preface xxviii MN CDM 425 Notes...
Страница 72: ...CDM 425 Advanced Satellite Modem Revision 0 Installation 2 8 MN CDM 425 BLANK PAGE...
Страница 118: ...CDM 425 Advanced Satellite Modem Revision 0 FAST Activation Procedure 5 6 MN CDM 425 Notes...
Страница 194: ...CDM 425 Advanced Satellite Modem Revision 0 Front Panel Operation 6 76 MN CDM 425 Figure 6 3 Loopback Modes...
Страница 390: ...CDM 425 Advanced Satellite Modem Revision 0 Serial Remote Control 8 66 MN CDM 425 BLANK PAGE...
Страница 558: ...CDM 425 Advanced Satellite Modem Revision 0 ODU Transceiver BUC LNB Operation 10 68 MN CDM 425 Notes...
Страница 574: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix B B 12 MN CDM 425 BLANK PAGE...
Страница 575: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix B B 13 MN CDM 425 Figure B 8 VersaFEC 2 Short Block...
Страница 576: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix B B 14 MN CDM 425 Figure B 9 VersaFEC 2 Short Block...
Страница 587: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 3 MN CDM 425 Figure E 1 TX Clock Modes...
Страница 589: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 5 MN CDM 425 Figure E 2 RX Clock Modes...
Страница 600: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 16 MN CDM 425 BLANK PAGE...
Страница 602: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix E E 18 MN CDM 425 BLANK PAGE...
Страница 607: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix F F 5 MN CDM 425 Figure F 2 Conventional FDMA Link...
Страница 638: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix F F 36 MN CDM 425 BLANK PAGE...
Страница 642: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix G G 4 MN CDM 425 BLANK PAGE...
Страница 684: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 4 MN CDM 425 BLANK PAGE...
Страница 685: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 5 MN CDM 425 Figure K 1 ACM over Satellite Generic Example...
Страница 686: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 6 MN CDM 425 BLANK PAGE...
Страница 710: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix K K 30 MN CDM 425 BLANK PAGE...
Страница 728: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix M M 16 MN CDM 425 Notes...
Страница 742: ...CDM 425 Advanced Satellite Modem Revision 0 Appendix P P 6 MN CDM 425 Notes...
Страница 743: ......
Страница 744: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...