Ericsson RX8000 Series Guia do Utilizador Página 219

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Annex B
Table B.14 LNB Power and Control
Parameter Specification
Voltage V (nominal) Receiver Polarisation
6
Voltage 13
18
Vertical/circular right
Horizontal/circular left
Current 350 mA maximum
LNB control
22 ± 2 kHz tone
Tone amplitude
0.65 ±0.2 Vp-p
B.4.2 8-VSB Terrestrial Receivers
B.4.2.1 General
Table B.15 8-VSB Receiver Input Specification
Parameter Specification
RF input
Safety status TNV - 1
Number of inputs
1
Input connector type
F-type, female 75 Ω
Input impedance
75 Ω
VSWR 5
Maximum input level -5dBm
Minimum input level -80dBm
RF Frequency
Tuning range Fc = 54 to 863 MHz
Tuning step 1 kHz
LO phase noise Min 92 dBc/Hz at 100kHz offset
Channel bandwidth 6 MHz
FEC 2/3 Trellis
Bit rate 19.39 Mbps
Maximum input level -5dBm
Minimum input level -80dBm
6
Receive Polarisation: As specified in ETS 300 784 Satellite Earth Station and Systems (SES); Television Receive-only (TVRO) earth
stations operating in the 11/12 GHz frequency bands.
EN/LZT 790 0005 R1A
B-15
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