Comtech EF Data MIDAS 4 System and Design - Manual (Page 119)

System and Design Manual, Revision 2
Traffic Node 6–21
SDM-150
Data/Symbol Rates
SDM-150 9,600 224,000
Modulation Encoding Type Data Rates (bit/s) Symbol Rates (sym/s)
Type Minimum Maximum Minimum Maximum
BPSK 1/2 Viterbi 9,600 64,000 19,200 128,000
QPSK 1/2 Viterbi Continuous 19,200 128,000 19,200 128,000
QPSK 1/2 Viterbi Burst Mode 19,200 19,200 19,200 128,000
QPSK 3/4 Viterbi 28,800 192,000 19,200 128,000
QPSK 7/8 Viterbi 33,600 224,000 19,200 128,000
BPSK 1/2 Sequential 9,600 64,000 19,200 128,000
QPSK 1/2 Sequential 19,200 128,000 19,200 128,000
QPSK 3/4 Sequential 28,800 192,000 19,200 128,000
QPSK 7/8 Sequential 33,600 224,000 19,200 128,000
Output power -5 to -30 dBm, adjustable in .1 dB steps (+5 dBm optional)
Clocking options SCT Internal, TX Terrestrial, and RX Satellite
Doppler Buffer 0 Bypass, 64 to 65536 bit/s in 16 bit/s steps, or 0 Bypass,
Continuous Mode 1 to 50 ms in 1 ms steps selectable from front panel
Doppler Buffer (Burst Mode) None
SDM-300
Data/Symbol Rates
SDM-300 2,400 bit/s 4,375,000 bit/s
Modulation Encoding Type Data Rate (bps) Symbol Rate (sym/s)
Type Minimum Maximum Minimum Maximum
BPSK 1/2 Viterbi 2,400 1,250,000 4,800 2,500,000
QPSK 1/2 Viterbi 4,800 2,500,000 4,800 2,500,000
QPSK 3/4 Viterbi 7,200 3,750,000 4,800 2,500,000
QPSK 7/8 Viterbi 8,400 4,375,000 4,800 2,500,000
BPSK 1/2 Sequential 2,400 1,250,000 4,800 2,500,000
QPSK 1/2 Sequential 4,800 2,500,000 4,800 2,500,000
QPSK 3/4 Sequential 7,200 3,750,000 4,800 2,500,000
QPSK 7/8 Sequential 8,400 4,375,000 4,800 2,500,000
BPSK 1/2 Viterbi and Reed-Solomon 2,400 1,138,888 4,800 2,500,000
QPSK 1/2 Viterbi and Reed-Solomon 4,373 2,277,777 4,800 2,500,000
QPSK 3/4 Viterbi and Reed-Solomon 6,560 3,416,666 4,800 2,500,000
QPSK 7/8 Viterbi and Reed-Solomon 7,653 3,986,111 4,800 2,500,000
BPSK 1/2 Sequential and Reed-Solomon 2,400 1,138,888 4,800 2,500,000
QPSK 1/2 Sequential and Reed-Solomon 4,373 2,277,777 4,800 2,500,000
QPSK 3/4 Sequential and Reed-Solomon 6,560 3,416,666 4,800 2,500,000
QPSK 7/8 Sequential and Reed-Solomon 7,653 3,986,111 4,800 2,500,000
Output power -5 to -30 dBm, in .1 dB steps, +5 to -20 dBm high-power
Clocking options SCT Internal, Ext Clock, and TX Terrestrial
Doppler Buffer 0 Bypass, 16 to 256000 bit/s in 16 bit/s steps, or 0 Bypass,
1 to 99 ms in 1 ms steps