Модуль V512 - DVB S2 to QAM twin converter V512, Кишинев

• for processing DVB-S(2)-modulated SAT-IF-signals into QAM independent output channels;
• outstanding output parameters by Direct Digital technology: MER typ. 45 dB;
• integrated data rate adjustment, PCR-correction, PID-filter (pass and drop service filter) and NIT-generation

DVB-S(2) demodulator
Input frequency range
[MHz]
920- 2150
Input level
[dBµV]
50- 80
SAT IF input
[Ω]
F-jack, 75
Input symbol rate
[MS/s]
maximum 30,0
DVB-S viterbi
1/2; 2/3; 3/4; 5/6; 6/7; 7/8
DVB-S2 LDPC
1/4; 1/3; 2/5; 1/2; 3/5; 2/3; 3/4; 4/5; 5/6; 8/9; 9/10
DVB-S2 roll-off-factors
0,20; 0,25; 0,35
DVB-S2 modulation
QPSK, 8PSK
QAM modulator
Modulation
16-, 32-, 64-, 128-, 256-QAM
Signal processing
according DVB standard
Spectrum shape cos-roll-off
[%]
15
FEC
Reed-Solomon (204,188)-Code
Data rate adjustment
yes
PCR correction / NIT handling
yes
PID filter
Pass or Drop Service Filter
Output symbol rate
[MSym]
depends on input data rate, 3,45 - 6,9
Bandwidth
[MHz]
depends on input data rate, 4 - 8
Brutto data rate
[MBit/s]
maximum 55,2
RF output
Connectors
[Ω]
IEC jack, 75
Frequency range
[MHz]
47 - 862 (C 2 - C 69) in 1-MHz-steps adjustable
Output level
[dBµV]
80 … 90, adjustable
MER (Equalizer, 64 QAM)
[dB]
typ. 45
Spurious freq. distance 40 - 862 MHz >950 MHz
[dB]
> 60 discrete interferences / > 57 noise interferences > 20 relating to 100 dBµV system level and 90 dBµV operating level
Common data
Power consumption
[W]
13,1
Ambient temperature
[°C]
0... +50