Comtech EF Data DMD-2050E - Manual (Page 176)

DMD2050E Universal Satellite Modem Technical Specifications
MN-DMD2050E Revision 2 7–2
Modulator Specifications
Turbo (16-QAM) {3/4, 7/8} ≤ 20Mbps
DVB VIT {2/3, 5/6}
DVB Trellis {3/4, 5/6, 7/8, 8/9}
LDPC (BPSK) {1/2}
LDPC (OQPSK/QPSK) {1/2, 2/3, 3/4}
LDPC (8-PSK/8-QAM) {2/3, 3/4}
LDPC (16-QAM) {3/4}
STANAG Turbo (B/QPSK) {1/2, 2/3, 3/4, 7/8, 19/20, None}
STANAG Turbo (8-PSK) {1/2, 2/3, 3/4, 7/8, 19/20, None}
STANAG Turbo (16-APSK) {1/2, 2/3, 3/4, 7/8, 19/20, None}
Outer Encoder Options Reed-Solomon INTELSAT (DVB Optional)
Custom (N, K) Reed-Solomon
Data Clock Source Internal, External, Rx Recovered
Internal Stability 5 x 10 -8
7.2 Demodulator
Demodulator Specifications
Demodulation BPSK, QPSK, OQPSK, 8-PSK, 8-QAM, 16-QAM, 16-APSK
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, 50 Ohm (75 Ohm Optional)
L-Band, 50 Ohm
Connector TNC, 50 Ohm
SMA, 50 Ohm, L-Band
Return Loss IF, 1.5:1
L-Band, 2.0:1
Spectrum MIL-188-165A, INTELSAT IESS 308/309/310, DVB
Input Level -55 to +10 dBm
and 10 log (Symbol Rate) -120 dBm / Hz, SR < 2500 k
Total Input Power +20 dBm or +40 dBc (the Lesser)
FEC
Viterbi,
{1/2, 3/4, 7/8, None} K = 7
Sequential {1/2, 3/4, 7/8}
CSC {3/4}
Trellis (8-PSK) {2/3}
Turbo (BPSK) {21/44,5/16} ≤ 20Mbps