Section 7 - Technical Specifications; Data Rates; Modulator - Radyne DMD2050 Operation Manual

DMD2050 Universal Satellite Modem
Technical Specifications

7.0 Data Rates

BPSK Uncoded
1/2 Rate BPSK
3/4 Rate BPSK
7/8 Rate BPSK
QPSK Uncoded
1/2 Rate QPSK
3/4 Rate QPSK
7/8 Rate QPSK
Rate 2/3 8PSK
3/4 Rate 16QAM
7/8 Rate 16QAM

7.1 Modulator

Modulation
IF Tuning Range
L-Band Tuning Range
Impedance
Connector
Return Loss
Output Power
Output Stability
Output Spectrum
Spurious
On/Off Power Ratio
Scrambler
FEC
Outer Encoder Options
Data Clock Source
Internal Stability
TM110 – Rev. 1.3
4.8 Kbps to 10.0 Mbps
2.4 Kbps to 10.0 Mbps
3.6 Kbps to 10.0 Mbps
4.2 Kbps to 10.0 Mbps
9.6 Kbps to 10.0 Mbps
4.8 Kbps to 20.0 Mbps
7.2 Kbps to 20.0 Mbps
8.4 Kbps to 20.0 Mbps
9.6 Mbps to 52.0 Mbps
14.4 Mbps to 52.0 Mbps
16.84 Mbps to 52.0 Mbps
BPSK, QPSK, and OQPSK, 8PSK, 16QAM
50 to 90, 100 to 180 MHz in 1 Hz Steps
950 to 2050 MHz in 1 Hz Steps
IF, 50 Ohm (75 Ohm Optional)
L-Band, 50 Ohm
TNC, 50 Ohm
SMA, 50 Ohm, L-Band
IF, 1.5:1
L-Band, 2.0:1
0 to -25 dB
IF, ±0.5 dB Over Frequency and Temperature
L-Band, ±1.0 dB Over Frequency and Temperature
Selectable and Meets MIL-188-165A or IESS 308/309/
310 Power Spectral Mask
-55 dBc In-Band (50 to 90 MHz, 100 to 180 MHz,
950 to 2050 MHz)
-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 21/44
QPSK/OQPSK 1/2, 3/4, 7/8 <20Mbps
QPSK/OQPSK .750, .875 >20Mbps
8PSK/16QAM 3/4, 7/8 <20Mbps
8PSK/16QAM .750, .875 >20Mbps
Legacy Turbo Rates: 0.495, 0.793
Reed-Solomon INTELSAT (DVB Optional)
Custom (N, K) Reed-Solomon
Internal, External, Rx Recovered
-8
5 x 10
Technical Specifications
7
7-1