Decoder, B.5.3 decoder – TANDBERG TT1260 User Manual
Page 106
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