Sdm-2020 demodulator data/symbol rates, Sdm-2020d – Comtech EF Data MIDAS 4 System and Design User Manual
Page 114
System and Design Manual, Revision 2
6–16 Traffic
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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.