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Technical Specification
Page B-14 Instruction Manual: TT1260 Standard Definition Professional Receiver/Decoder
ST.TM.E10100.1
16QAM/8PSK LNB Control
The IRD supports voltage controlled LNBs only. The available voltages and
current are shown in Table B.16. Typical LNB requirements are shown in
Table B.17.
Table B.16: LNB Power and Control (QPSK/8PSK/16QAM)
Parameter Specification
Voltage 13 V (Vertical)
18 V (Horizontal)
On selected input (nominal voltage)
Current 350 mA maximum
Band selection 22 kHz tone
Table B.17: Typical LNB Requirements (QPSK/8PSK /16QAM)
Modulation and
Symbol-rate
(MSymbol/s)
All QPSK > 5
8PSK > 22
16QAM > 6
LNB type for the indicated modulation
type and symbol-rate
LNB type Type A (PL-DRO) Type B (DRO)
Frequency offset from
carrier (kHz)
LNB SSB phase noise (dBc/Hz)
1-65 -50
10 -75 -75
100 -85 -85
B.5.3 Decoder
Table B.18: DVB-ASI Copper
Input Specification
Connector type BNC, Female
Input impedance 75 W
Data rate range 0.350 - 160 Mbit/s
Error decoding None