Comtech EF Data DMD1050TS - Modulator

DMD1050TS Satellite Modem Board
Revision 1
Technical Specifications 6–6 MN-DMD1050TS
6.2 Modulator
Modulation
BPSK, QPSK, and OQPSK, 8PSK, 8QAM,
16QAM,16APSK
L-Band Tuning
Range
950 to 2050 MHz in 1 Hz Steps
Impedance
SMA, 50 Ohm or F-Type 75 Ohm (Optional)
Connector
SMA, or F-Type (Optional)
Return Loss
SMA 2.0:1
Output Power
0 to -25 dB
Output Stability
L-Band, ±1.0 dB Over Frequency and Temperature
Output
Spectrum
Selectable and Meets MIL-188-165A or IESS 308/309/ 310 Power Spectral Mask
Spurious
-55 dBc In-Band
-45 dBc Out-of-Band
On/Off Power
Ratio
>60 dB
Scrambler
OM-73, CCITT V.35 or IBS
FEC
Viterbi, K = 7 at 1/2, 3/4 and 7/8
2/3 Rate Trellis
Turbo Product Code (Optional)
BPSK 5/16, 21/44
QPSK/OQPSK 21/44, 3/4, 7/8
8PSK/8QAM/16QAM 3/4, 7/8
Low Density Parity Check (Optional)
BPSK 1/2
QPSK/OQPSK 1/2, 2/3, 3/4
8PSK/8QAM 2/3, 3/4
16QAM 3/4
EBEM (Optional)
BPSK 1/2, 2/3, 3/4, 7/8, 19/20
QPSK 1/2, 2/3, 3/4, 7/8, 19/20
8PSK 1/2, 2/3, 3/4, 7/8, 19/20
16APSK 1/2, 2/3, 3/4, 7/8, 19/20
Outer Encoder
Options
Reed-Solomon INTELSAT (DVB Optional)
Custom (N, K) Reed-Solomon
Spread
Spectrum
Direct Sequence x2, x4, x8, and x16 (Optional with LDPC)
Data Clock
Source
Internal, External, Rx Recovered
High Stability
+/- 5 x 10
-8