Decoder, B.5.3 decoder – TANDBERG TT1260 User Manual

Page 106

Advertising
background image

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

Advertising