Page 14 - Eurotek Catalogue
P. 14
TECHNICAL SPECIFICATION
Digital Mo-Demodulator
BB Input selection GbE, 2 ASI , Internal , Baseband Remote Loop Back
BB Output selection Demodulator output, Baseband Local Loop Back
Dem Input selection Internal, IF2, Local Loop Back
Mod output selection Modulator, External, IF2, Clean Carrier (CW), Off
Common Readings ASI Inputs bitrate / IF RX level / MSE / RS error rate / Fifo status / RX
Carrier Frequency error / Temperature
SPECS IF frequency 70 MHz
Frequency error 5 ppm
Reference External (10 MHz /1pps), Internal, Data
Input level -20 ÷ 5 dBm
Output Level -15 ÷ 0 dBm
Reference EN 300 421 EN 301 210
Constellation QPSK (DVB-S std), 16 QAM, 32 QAM, 64 QAM, 128 QAM, 256 QAM
DVB-S Roll-off 0.15/ 0.20/ 0.25/ 0.35
Viterbi rate QPSK (1/2 2/3 3/4 5/6 7/8) 16 QAM (3/4 7/8) 32 QAM(9/10)
64 QAM (5/6 11/12) 128 QAM (6/7 13/14) 256 QAM (
Symnbol rate 1 ÷ 31,5 MSym/s in 100 KSym/s steps
Reference EN 300 744
Constellation QPSK 16 QAM 64 QAM
Viterbi rate 1/2 2/3 3/4 5/6 7/8
Guard interval 1/4 1/8 1/16 1/32
DVB-T Channel Bandwidth 6 MHz 7 MHz 8 MHz
Carriers 2K, 4K, 8K
Hierarchic Modes Alfa1 Alfa2 Alfa4
TPS cell Editable
BLOCK SCHEME
GbE GbE
ASI 1 ASI 1
TRANSPARENT MULTIPLEXER MOD DEM TRANSPARENT DEMULTIPLEXER
ASI 2 ASI 2
INT
INT
Rev.2017 16/11/2017

