Demodulator - Comtech EF Data DMD50 Installation And Operation Manual

DMD50 Universal Satellite Modem
Outer Encoder Options
Data Clock Source
Internal Stability
7.3

Demodulator

Demodulation
IF Tuning Range
L-Band Tuning Range
Impedance
Connector
Return Loss
Spectrum
Input Level
Total Input Power
FEC
MN-DMD50– Revision 3
2/3 Rate Trellis
Turbo Product Code (Optional) – (SuperCard ONLY)
BPSK 21/44
QPSK/OQPSK 1/2, 3/4, 7/8 <20Mbps
8PSK 3/4/, 7/8 <20Mbps
16QAM 3/4, 7/8 <20Mbps
QPSK/OQPSK .750, .875 >20Mbps
8PSK/16QAM .750, .875 >20Mbps
Legacy Turbo Rates: 0.495, 0.793
LDPC/TPC (Optional)
BPSK 1/2 <20Mbps (LDPC)
QPSK/OQPSK 1/2, 2/3, 3/4 <20Mbps (LDPC)
8PSK/8QAM 2/3, 3/4 <20Mbps (LDPC)
16QAM 3/4 <20Mbps (LDPC)
BPSK 21/44 (TPC)
QPSK/OQPSK 1/2, 2/3, 3/4, 7/8 <20Mbps (TPC)
8QAM/8PSK 2/3, 3/4, 7/8 <20Mbps (TPC)
16QAM 3/4, 7/8 <20Mbps (TPC)
Reed-Solomon INTELSAT (DVB Optional)
Custom (N, K) Reed-Solomon
Internal, External, Rx Recovered
-8
5 x 10
BPSK, QPSK, OQPSK, 8PSK, 8QAM, 16QAM
50 to 90, 100 to 180 MHz in 1 Hz Steps
950 to 2050 MHz in 1 Hz Steps
IF, 75 Ohm (50 Ohm Optional)
L-Band, 50 Ohm
BNC, 75 Ohm
SMA, 50 Ohm, L-Band
IF, 1.5:1
L-Band, 2.0:1
Meets INTELSAT IESS 308/309/310 Compliant
-55 to +10 dBm
+5 dBm or +40 dBc (the Lesser)
Viterbi, K = 7 at 1/2, 3/4 and 7/8
2/3 Rate Trellis
Turbo Product Code (Optional) – (SuperCard ONLY)
BPSK 21/44
QPSK/OQPSK 1/2, 3/4, 7/8 <20Mbps
8PSK 3/4/, 7/8 <20Mbps
16QAM 3/4, 7/8 <20Mbps
QPSK/OQPSK .750, .875 >20Mbps
8PSK/16QAM .750, .875 >20Mbps
Legacy Turbo Rates: 0.495, 0.793
LDPC/TPC (Optional)
BPSK 1/2 <20Mbps (LDPC)
QPSK/OQPSK 1/2, 2/3, 3/4 <20Mbps (LDPC)
8PSK/8QAM 2/3, 3/4 <20Mbps (LDPC)
16QAM 3/4 <20Mbps (LDPC)
Technical Specifications
7–2