Comtech-ef-data MIDAS 4 System and Design Manual de usuario descargar pdf (Pagina 114)

System and Design Manual, Revision 2

6–16 Traffic Node

SDM-2020D

1,375,000 100,000,000

Modulation Encoding Type Data Rate (bps) Symbol Rate (sym/s)

Type Minimum Maximum Minimum Maximum

QPSK 1/2 Viterbi (188 Frame) 1,382,353 34,558,823 1,500,000 37,500,000

QPSK 2/3 Viterbi (188 Frame) 1,843,137 46,078,431 1,500,000 37,500,000

QPSK 3/4 Viterbi (188 Frame) 2,073,529 46,078,431 1,500,000 33,333,333

QPSK 5/6 Viterbi (188 Frame) 2,303,922 46,078,431 1,500,000 30,000,000

QPSK 7/8 Viterbi (188 Frame) 2,419,118 46,078,431 1,500,000 28,571,428

8PSK 2/3 Viterbi (188 Frame) 2,764,706 69,117,647 1,500,000 37,500,000

8PSK 5/6 Viterbi (188 Frame) 3,455,882 86,397,059 1,500,000 37,500,000

8PSK 8/9 Viterbi (188 Frame) 3,686,275 92,156,863 1,500,000 37,500,000

16QAM 3/4 Viterbi (188 Frame) 4,147,058 92,156,862 1,500,000 33,333,333

16QAM 7/8 Viterbi (188 Frame) 4,838,235 92,156,862 1,500,000 28,571,428

QPSK 1/2 Viterbi (204 Frame) 1,500,000 37,500,000 1,500,000 37,500,000

QPSK 2/3 Viterbi (204 Frame) 2,000,000 50,000,000 1,500,000 37,500,000

QPSK 3/4 Viterbi (204 Frame) 2,250,000 50,000,000 1,500,000 33,333,333

QPSK 5/6 Viterbi (204 Frame) 2,500,000 50,000,000 1,500,000 30,000,000

QPSK 7/8 Viterbi (204 Frame) 2,625,000 50,000,000 1,500,000 28,571,429

8PSK 2/3 Viterbi (204 Frame) 3,000,000 75,000,000 1,500,000 37,500,000

8PSK 5/6 Viterbi (204 Frame) 3,750,000 93,750,000 1,500,000 37,500,000

8PSK 8/9 Viterbi (204 Frame) 4,000,000 100,000,000 1,500,000 37,500,000

16QAM 3/4 Viterbi (204 Frame) 4,500,000 100,000,000 1,500,000 33,333,333

16QAM 7/8 Viterbi (204 Frame) 5,250,000 100,000,000 1,500,000 28,571,428

QPSK 1/2 Viterbi (187 Frame) None 1,375,000 34,375,000 1,500,000 37,500,000

QPSK 2/3 Viterbi (187 Frame) None 1,833,333 45,833,333 1,500,000 37,500,000

QPSK 3/4 Viterbi (187 Frame) None 2,062,500 45,833,333 1,500,000 33,333,333

QPSK 5/6 Viterbi (187 Frame) None 2,291,667 45,833,333 1,500,000 30,000,000

QPSK 7/8 Viterbi (187 Frame) None 2,406,250 45,833,333 1,500,000 28,571,428

8PSK 2/3 Viterbi (187 Frame) None 2,750,000 68,750,000 1,500,000 37,500,000

8PSK 5/6 Viterbi (187 Frame) None 3,437,500 85,937,500 1,500,000 37,500,000

8PSK 8/9 Viterbi (187 Frame) None 3,666,667 91,666,667 1,500,000 37,500,000

16QAM 3/4 Viterbi (187 Frame) None 4,125,000 91,666,667 1,500,000 33,333,333

16QAM 7/8 Viterbi (187 Frame) None 4,812,500 91,666,667 1,500,000 28,571,429

RX Signal Input

-30 to -55 dBm for 70/140 MHz Input

Clocking options

Internal

Doppler Buffer

2 to 32 ms in 2 ms steps for G.703 INTF, None for other INTF.

1 2 ... 109 110 111 112 113 114 115 116 117 118 119 ... 125 126

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Comtech-ef-data MIDAS 4 System and Design Manual de usuario Pagina 114