Demodulator - Radyne DMD20 Installation And Operation Manual

DMD20/20LBST Universal Satellite Modem
Outer Encoder Options
Data Clock Source
Internal Stability
7.3

Demodulator

Demodulation
IF Tuning Range
L-Band Tuning Range
Impedance
Connector
Return Loss
Spectrum
Input Level
Adjacent Channel Rejection Ratio
Total Input Power
FEC
MN-DMD20-20LBST Revision 14
LDPC/TPC (Optional)
LDPC (BPSK)
LDPC (OQPSK/QPSK)
LDPC (8PSK/8QAM)
LDPC (16QAM)
Turbo (BPSK)
Turbo (QPSK/OQPSK)
Turbo (8QAM/8PSK)
Turbo (16QAM)
Reed-Solomon INTELSAT (DVB Optional, Custom Rates
Optional)
Internal, External, Rx Recovered
-6
1 x 10 Typical (Optional to 5 x 10
-8
5 x 10 Typical DMD20 LBST
BPSK, QPSK, and OQPSK (8PSK, 16QAM Optional)
50 to 90, 100 to 180 MHz in 1 Hz Steps
950 to 2050 MHz in 1 Hz Steps
IF, 75-Ohm (50-Ohm optional)
L-Band, 50-Ohm
BNC - 75 Ohm
SMA - 50 Ohm
N-type 50-Ohm LBST
IF, 20 dB Minimum
SMA, 50-Ohm, L-Band
L-Band, 14 dB Minimum
INTELSAT IESS 308/309/310 Compliant
10 x log (Symbol Rate) - 100, ±12 dB
>+10 dBc
-10 dBm or +40 dBc (the Lesser) @ 256 Kbps
Viterbi
Sequential
CSC
Trellis (8PSK)
DVB VIT
DVB Trellis
Turbo Product Code (Optional) – (SuperCard ONLY)
Turbo (BPSK)
Turbo (OQPSK/QPSK)
Turbo (8PSK)
Turbo (16QAM)
Legacy Turbo Rates
LDPC/TPC (Optional)
LDPC (BPSK)
LDPC (OQPSK/QPSK)
LDPC (8PSK/8QAM)
LDPC (16QAM)
Turbo (BPSK)
Turbo (QPSK/OQPSK)
Turbo (8QAM/8PSK)
Turbo (16QAM)
Technical Specifications
{1/2}
{1/2, 2/3, 3/4}
{2/3, 3/4}
{3/4}
{21/44}
{1/2, 2/3, 3/4, 7/8}
{2/3, 3/4, 7/8}
{3/4, 7/8}
-8
) DMD20
{1/2, 3/4, 7/8, None} K = 7
{1/2, 3/4, 7/8}
{3/4}
{2/3}
{1/2, 2/3, 3/4, 5/6, 7/8}
{2/3, 3/4, 5/6, 7/8, 8/9}
{21/44,5/16}
{1/2, 3/4, 7/8}
{3/4, 7/8}
{3/4, 7/8}
{0.495, 0.793} < 5Mbps
{1/2}
{1/2, 2/3, 3/4}
{2/3, 3/4}
{3/4}
{21/44}
{1/2, 2/3, 3/4, 7/8}
{2/3, 3/4, 7/8}
{3/4, 7/8}
7–2