Comtech EF Data DMDVR20 LBST Rev 1.1 - Manual (Page 82)

DMDVR20 LBST Satellite Modem Technical Specifications
TM136 – Rev. 1.1 7-1
Technical Specifications
7
7.0 Data Rates
Refer to Section 7.9.
7.1 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
N-type, 50-Ohm
Return Loss L-Band, 14 dB Minimum
Output Power 0 to -25 dB
Output Stability ±0.5 dB Over Time and Temperature
Output Spectrum Meets IESS 309/310 Power Spectral Mask
Spurious -50 dBc In-Band
-45 dBc Out-of-Band
On/Off Power Ratio >60 dB
Scrambler CCITT V.35 or IBS (Others Optional)
FEC Viterbi 1/2, 3/4 and 7/8
(Optional FEC)
Sequential 1/2, 3/4, 7/8 (optional)
Trellis 2/3
Turbo Product Code (Optional)
21/44 Turbo
1/2 Turbo
3/4 Turbo
7/8 Turbo
(Turbo Supported at all Modulation Types)
Outer Encoder Options
Reed-Solomon INTELSAT (Custom Rates Optional)
Data Clock Source Internal, External, Rx Recovered
Internal Stability 5 x 10 -8 Typical