Comtech EF Data SDM-2020 - Manual (Page 19)

SDM-2020 Satellite Modulator Revision 7
Introduction MN/SDM2020M.IOM
1-3
Table 1-1. Minimum/Maximum Data and Symbol Rates
Code Rate
Framing
Type
Minimum
Data Rate
(bps)
Maximum
Data Rate
(bps)
Minimum
Symbol Rate
(sym/s)
Maximum
Symbol Rate
(sym/s)
QPSK 1/2 188 1,500,000 34,558,823 1,627,659 37,500,000
QPSK 2/3 188 1,500,000 46,078,431 1,220,744 37,500,000
QPSK 3/4 188 1,500,000 51,838,235 1,085,106 37,500,000
QPSK 5/6 188 1,500,000 57,598,039 976,595 37,500,000
QPSK 7/8 188 1,500,000 60,477,941 930,091 37,500,000
8PSK 2/3 188 1,500,000 69,117,647 813,829 37,500,000
8PSK 5/6 188 1,500,000 86,397,059 651,063 37,500,000
8PSK 8/9 188 1,500,000 92,156,863 610,372 37,500,000
16QAM 3/4 188 1,500,000 92,156,863 542,553 33,333,333
16QAM 7/8 188 1,500,000 92,156,863 465,045 28,571,428
QPSK 1/2 204 1,500,000 37,500,000 1,500,000 37,500,000
QPSK 2/3 204 1,500,000 50,000,000 1,125,000 37,500,000
QPSK 3/4 204 1,500,000 56,250,000 1,000,000 37,500,000
QPSK 5/6 204 1,500,000 62,500,000 900,000 37,500,000
QPSK 7/8 204 1,500,000 65,625,000 857,142 37,500,000
8PSK 2/3 204 1,500,000 75,000,000 750,000 37,500,000
8PSK 5/6 204 1,500,000 93,750,000 600,000 37,500,000
8PSK 8/9 204 1,500,000 100,000,000 562,500 37,500,000
16QAM 3/4 204 1,500,000 100,000,000 500,000 33,333,333
16QAM 7/8 204 1,500,000 100,000,000 428,571 28,571,428
QPSK 1/2 None (187) 1,500,000 34,375,000 1,636,363 37,500,000
QPSK 2/3 None (187) 1,500,000 45,833,333 1,227,272 37,500,000
QPSK 3/4 None (187) 1,500,000 51,562,500 1,090,909 37,500,000
QPSK 5/6 None (187) 1,500,000 57,291,667 981,818 37,500,000
QPSK 7/8 None (187) 1,500,000 60,156,250 935,064 37,500,000
8PSK 2/3 None (187) 1,500,000 68,750,000 818,181 37,500,000
8PSK 5/6 None (187) 1,500,000 85,937,500 654,545 37,500,000
8PSK 8/9 None (187) 1,500,000 91,666,667 913,636 37,500,000
16QAM 3/4 None (187) 1,500,000 91,666,667 545,454 33,333,333
16QAM 7/8 None (187) 1,500,000 91,666,667 467,532 28,571,428