Comtech EF Data Radyne DMD1050 - Demodulator; Plesiochronous Buffer; Monitor and Control; Terrestrial Interfaces

DMD1050 Satellite Modem Board Technical Specifications
Internal Stability +/- 1 x 10
-6
High Stability (optional) +/- 5 x 10
-8
6.3 Demodulator
Demodulation BPSK, QPSK, and OQPSK, 8PSK, 16QAM
IF Tuning Range L-Band Tuning Range 950 to 2050 MHz in 1 Hz Steps
Impedance SMA, 50 Ohm, F-Type 75 Ohm (Optional)
Connector SMA, F-Type (Optional)
Return Loss SMA 2.0:1
Spectrum Selectable and Meets MIL-188-165A or INTELSAT IESS
308/309/310 Compliant
Input Level -55 to +10 dBm
Total Input Power +20 dBm or +40 dBc (the Lesser)
FEC Viterbi, K = 7 at 1/2, 3/4 and 7/8 Rate,
Rate Sequential 1/2 Rate, 3/4, 7/8 (Optional)
Trellis 2/3
Turbo Product Code (Optional)
BPSK 21/44
QPSK/OQPSK 1/2, 3/4, 7/8
8PSK/16QAM 3/4, 7/8
Decoder Options Reed-Solomon INTELSAT (DVB Optional)
Custom (N, K) Reed-Solomon
Descrambler OM-73, CCITT V.35 or IBS
Acquisition Range Programmable ±1 kHz to ± 255 kHz
Reacquisition Range Programmable ±1 Hz to 25000 Hz
Sweep Delay Value 0 to 6000 seconds in 100 msec Steps
6.4 Plesiochronous Buffer
Size 0 msec to 64 msec
Centering Automatic on Underflow/Overflow
Centering Modes IBS: Integral Number of Frames
IDR: Integral Number of Multi-Frames
Clock External, Rx Recovered or SCT (Internal)
6.5 Monitor and Control
Ethernet 10 Base-T/Web Browser, Remote RS-485/Terminal RS-232
6.6 Terrestrial Interfaces
MIL-188-114A All Rates, Differential, Clock/Data, DCE
Ethernet 2 Port 10/100 Base-T Two RJ-45, Auto-Crossover, Auto-Sensing, 10/100 Ethernet
Data Ports. Complies with IEEE 802.3 and IEEE 802.3u.
6.7 Environmental
Prime Power +21 to +24.5 Volts DC
Operating Temperature 0 to +50°C, 95% Humidity, Non-Condensing
Storage Temperature -20 to 70°C, 99% humidity, Non-Condensing
6.8 Physical
Size 7” W x 9.125 D x 1.0” H / (17.78 x 23.12 x 2.54 cm)
Weight 1.2 Pounds (0.544 Kg)
MN-DMD1050 6–2
Revision 9