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Comtech Radyne DMD1050 L-Band Satellite Modem Board

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  • Compact Size
  • Data Rates 2.4 kbps to 20 Mbps
  • Optional DVB
  • Optional 10 MHz High-Stab. Reference


SKU: SATRES-15402

DMD1050 BER Performance
Modulator
Modulation BPSK, QPSK, and OQPSK (8PSK, 16QAM Optional)
L-Band Tuning Range 950 to 2050 MHz in 1 Hz Steps
Impedance 50 Ohm
Connector SMA (50 ohm) or F-Type (75 ohm) Female
Return Loss 10 dB Minimum
Output Power 0 to -25 dBm
Output Accuracy ±1.0 dB Over Frequency and Temperature
Output Spectrum Selectable, Meets MIL 188-165A and INTELSAT IESS 308-309-310 Compliant (DVB-S Optional)
Spurious -55 dBc In-Band

-45 dBc Out-of-Band
Harmonics -45 dBc
On/Off Power Ratio >60 dB
Scrambler CCITT V.35 or IBS (Others Optional)
FEC Viterbi, K = 7 at 1/2, 3/4 and 7/8

Trellis 2/3

Turbo Product Code (Optional) Per IESS 315

BPSK 21/44

QPSK/OQPSK 1/2, 3/4, 7/8

8PSK/16QAM 3/4, 7/8
Outer Encoder Options Reed-Solomon INTELSAT (DVB Optional) Custom (N, K) Reed-Solomon (Optional)
Data Clock Source Internal, External, Rx Recovered
Internal Stability 1 x 10-6 Typical, 1x10-8 Optional
BUC DC Current 4 Amps Maximum (Externally Supplied)
BUC Internal Reference 10 MHz, 3 dBm ± 3 dB
Demodulator
Demodulation BPSK, QPSK, and OQPSK (8PSK, 16QAM Optional)
L-Band Tuning Range 950 to 2050 MHz in 1 Hz Steps
Impedance 50 or 75 Ohm
Connector SMA (50 ohm) or F-Type (75 ohm) Female
Return Loss 10 dB Minimum
Spectrum Selectable, meets MIL 188-165A and INTELSAT IESS 308/309/310 Compliant (DVB-S optional)
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 Sequential 1/2, 3/4, 7/8 (Optional)

Trellis 2/3

Turbo Product Code (Optional) Per IESS 315

BPSK 21/44

Custom (N, K) Reed-Solomon

QPSK/OQPSK 1/2, 3/4, 7/8

8PSK/16QAM 3/4, 7/8
Decoder Options Reed-Solomon INTELSAT (DVB-S Optional)
Descrambler CCITT V.35 or IBS (Others Optional)
Acquisition Range Programmable ±1 kHz to ± 255 kHz
Sweep Delay Value 100 msec to 9000 msec. in 100 msec Steps
LNB DC Current 750 mA Maximum (Externally Supplied)
LNB Internal Reference 10 MHz, 3 dBm ± 3 dB
Plesiochronous Buffer
Size 0 ms to 64 msec
Centering Automatic on Underflow or Overflow
Centering Modes IBS: Integral Number of Frames

IDR: Integral Number of Multi-Frames
Clock Transmit, External, Rx Recovered or SCT (Internal)
Monitor and Control
Remote RS-485/Terminal RS-232/Ethernet 10 Base-T, (SNMP & Web Browser)
Terrestrial Interfaces
MIL STD 188-114A Differential, All Rates, Clock/Data, DCE
Ethernet 10/100 Base-T 2 Port Ethernet Switch/Bridge
Environmental
Prime Power 24VDC, 1.7 Amps Maximum
Operating Temperature 0 to 50°C, 95% Humidity, Non-Condensing
Storage Temperature -20 to 70°C, 99% Humidity, Non-Condensing
Physical
Size 7"W x 9.125"D x 1.1"H

(17.78 x 23.17 x 2.54 cm)
Weight 1.3 pounds (.589 kg)

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