
Technical Specification
A.1 Introduction
This appendix details the technical specification and the standards with which it is compliant.
A.2 Technical Specification
The following table details the technical specification.
Table A.1: Technical Specification
Description Specification
Demodulator
Modulation Schemes QPSK, 8PSK, 16QAM, 16APSK (32APSK future)
Baud Rate
16kBaud to 45MBaud DVB-S
128kBaud to 45MBaud DVB-S2 / DVB-DSNG
Frequency Selectivity 950 to 2150MHz in 10 Hz steps
Wanted: Unwanted ACI
(Adjacent Channel
Interference)
Must be less than 30dBc
FEC
DVB-S with QPSK {1/2, 2/3, 3/4, 5/6, 7/8}
DVB-DSNG 8PSK {2/3, 5/6 and 8/9}
DVB-DSNG 16QAM {3/4 and 7/8}
DVB-S2 SHORT Block {QPSK, 8PSK, 16APSK}
DVB-S2 NORMAL Block {QPSK, 8PSK, 16APSK}
Output
8 bits data and clock (LVCMOS compatible level via
the DIN-41612 96 pin HARTING Type 0903 196 6951
Female Edge Connector) Clock also available as LVDS.
DVB-ASI Electrical Output via BNC connector
Input
L-Band down-converter integral to the Card 2 x 75Ω F-Type InputsLNB
Control: 22 ±4 KHz tone, Amp 0.6 ±0.2 Vpp DC Power (13v or 18v) up to
450mA Max
Control
10/100 Base T Ethernet and RS232 All Parameters will be controllable
Timing, Carrier, FEC lock, AGC all monitored
Physical
Euro-card standard
Height: (mm/in) 16 / 0.59
Width: (mm/in) 100 / 3.94
Length: (mm/in) 220 / 8.6
Environmental
Operating Temperature 0 to 45° C. Forced airflow across SBR-75 required.
A-2 SBD75e Series Demodulator Installation and Operation Manual
Comentarios a estos manuales