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Technical Specifications
DMD50 Universal Satellite Modem
7-2
TM118 – Rev. 1.1
7.2 Demodulator
Demodulation
BPSK, QPSK, and OQPSK (8PSK, 16QAM Optional)
IF Tuning Range
50 to 90, 100 to 180 MHz in 1 Hz Steps
L-Band Tuning Range
950 to 2050 MHz in 1 Hz Steps
Impedance
IF, 75-Ohm (50-Ohm optional)
L-Band,
50-Ohm
Connector
BNC, 75-Ohm,
SMA, 50-Ohm, L-Band
Return Loss
IF, 1.5:1 Minimum
L-Band, 2.0.1 Minimum
Spectrum
INTELSAT IESS 308/309/310 Compliant
Input Level
-55 +10
Adjacent Channel Rejection Ratio
>+10 dBc
Total Input Power
-10 dBm or +40 dBc (the Lesser) @ 256 Kbps
FEC
Viterbi 1/2, 3/4 and 7/8
DVB Viterbi 1/2, 2/3, 3/4, 5/6, 7/8
Sequential 1/2, 3/4, 7/8 (optional)
Trellis
2/3
DVB PTCL 2/3, 5/6, 8/9, 3/4, 7/8
Turbo Product Code (Optional)
BPSK
21/44
QPSK/OQPSK 1/2, 3/4, 7/8 <20Mbps
QPSK/OQPSK .750, .875 >20Mbps
8PSK/16QAM 3/4, 7/8
<20Mbps
8PSK/16QAM .750, .875
>20Mbp
Legacy Turbo Rates: 0.495, 0.793
Decoder Options
Reed-Solomon INTELSAT (DVB Optional, Custom
Rates Optional)
Descrambler
CCITT V.35 or IBS (Others Optional)
Acquisition Range
Programmable ±1 kHz to ± 255 kHz
Sweep Delay Value
100 msec to 6000 sec. in 100 msec Steps
7.3 Plesiochronous Buffer
Size
0 msec to 64 msec
Centering Automatic
on
Underflow/Overflow
Centering Modes
IBS: Integral Number of Frames
IDR: Integral Number of Multi Frames
Clock
Transmit, External, Rx Recovered or SCT (Internal)
7.4 Monitor and Control
Remote RS-485/Terminal RS-232/Ethernet 10 Base-T/Web Browser
Summary of Contents for DMD50
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Page 16: ...DMD50 Universal Satellite Modem Table of Contents TM118 Rev 1 1 xv...
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Page 20: ...DMD50 Universal Satellite Modem Introduction TM118 Rev 1 1 1 3...
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Page 27: ...Installation DMD50 Universal Satellite Modem 2 6 TM118 Rev 1 1...
Page 53: ...Theory of Operation DMD50 Universal Satellite Modem 3 26 TM118 Rev 1 1...
Page 97: ...User Interfaces DMD50 Universal Satellite Modem 4 44 TM118 Rev 1 1...
Page 122: ...DMD50 Universal Satellite Modem Rear Panel Interfaces TM118 Rev 1 1 5 25...
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Page 132: ...DMD50 Universal Satellite Modem Maintenance and Troubleshooting TM118 Rev 1 1 6 9...
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Page 158: ...DMD50 Universal Satellite Modem Technical Specifications TM118 Rev 1 1 7 25...
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Page 162: ...DMD50 Universal Satellite Modem Appendix A TM118 Rev 1 1 A 3...
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Page 170: ...DMD50 Universal Satellite Modem Appendix B TM118 Rev 1 1 B 7...
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Page 174: ...DMD50 Universal Satellite Modem Appendix C TM118 Rev 1 1 C 3...
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Page 184: ...DMD50 Universal Satellite Modem Appendix D TM118 Rev 1 1 D 9...
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Page 192: ...DMD50 Universal Satellite Modem Appendix E TM118 Rev 1 1 E 7...
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Page 200: ...DMD50 Universal Satellite Modem Appendix F TM118 Rev 1 1 F 7...
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Page 205: ...Appendix G DMD50 Universal Satellite Modem G 4 TM118 Rev 1 1...
Page 224: ...DMD50 Universal Satellite Modem Appendix H TM118 Rev 1 1 H 19...
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Page 231: ...Appendix I DMD50 Universal Satellite Modem I 6 TM118 Rev 1 1...