Description

Technical Specifications of the Twin Transmodulator with DVBS/S2-DVBT Remultiplexing 565401 from Televes
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SAT INPUTS Input frequency MHz 270…2320
Symbol rate Mbaud 2 – 42,5 (Max 140 Mbps netto bitrate)
Frequency steps MHz 1
Input level dBm -60 … -25
Input/Output connectors “F”-female
Input impedance ? 75
LNB powering V/KHz 13V/17V/ OFF – 22KHz (ON/OFF)
dCSS MSW control SCR II (EN50494/EN50607/SKY UK)
Satellite selection (DiSEqC) A,B,C,D
Through losses dB ? 1,5 typ (2 max)
Modulation DVB-S2X QPSK, 8PSK, 8/16/32 APSK (EN 302307-2)
DVB-S2 QPSK, 8PSK (EN302307)
DVB-S QPSK (EN300421)
FEC inner code LDPC 9/10, 8/9, 5/6, 4/5, 3/4, 2/3, 3/5, 1/2
FEC outer code Bose-Chaudhuri-Hocquenghem
Roll-Off factor % 20,25,35
R.O.E. inner dB 10 typ (8 min)
QAM MODULATOR Modulation format QAM 16,32,64,128,256
Symbol rate Mbaud 2 – 7,5 (select.)
Roll-Off factor % 15
Block code Reed Solomon (188,204)
Scrambling DVB ET300429
Interleaving DVB ET300429
Bandwidth (max.) MHz 8,3
Spectral inversion (select.) Normal/Inverted
COFDM MODULATOR Modulation format QPSK,16QAM,64QAM
Guard interval 1/4, 1/8, 1/16, 1/32
FEC 1/2, 2/3, 3/4, 5/6, 7/8
Bandwidth MHz 6,7,8
Scrambling DVB ET300744
Interleaving DVB ET300744
Cell_id Seleccionable
Spectral inversion (select.) Normal/Inverted
RF OUTPUT Output frequency MHz 46…862
Frequency steps KHz 1
Max. output level (select.) dB?V 85?5
Attenuation (select.) dB >15
Through losses (typ.) dB ? 1,5
Return losses (typ.) dB > 10
Input/Output connectors “F”-female
Ouptut impedance ? 75
GENERAL Control interfaces Ethernet 10/100/1000
USB 2.0
Consumptions (@24V) Base mA 700
+ CAM + 100
+ LNB + 250/LNB
Max. 1300
Max. operating temperature ?C 45
Protection index IP 20

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