Modulator - Comtech EF Data DMD1050TS Installation And Operation Manual

Satellite modem board
Table of Contents

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6.2

Modulator

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

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