Модуль X-C/QAM twin 6 - DVB-C to QAM twin converterX-C/QAM twin 6, Кишинев

• for processing of two DVB-C input channels into two QAM adjacent channels;
• outstanding output parameters by Direct Digital technology, integrated data rate adjustment, PCR-correction, PID-filter, NIT-generation

Demodulator
Demodulator type
QAM
Input frequency range
[MHz]
47 - 862
Input level
[dBµV]
47 - 92
Input
[©]
IEC jack, 75
Input symbol rate
[Mbaud]
0,5 - 7, 0 adjustable
Modulation types (according DVB standard)
QPSK, QAM16, QAM32, QAM64, QAM128, QAM256
AFC-catch range
automatically adjustment
Return loss
[dB]
typ. 8
Level control
[dB]
typ. 45
QAM modulator
Modulation
16-, 32-, 64-, 128-, 256-QAM
Signal processing
according DVB standard
Spectrum shape
[%]
15
FEC
Reed-Solomon (204,188)-Code
Data rate adjust
•
PCR correction / PID filtering
•
NIT handling
•
Output symbol rate
[MSym]
adjustable, 3,45 - 6,9
Bandwidth
[MHz]
depends on input data rate, 4 - 8
Brutto data rate
[MBits]
maximum 55,2
RF Output
Connections
[©]
IEC jack, 75
Freqency 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
Shoulder attenuation
[dB]
typ. 58
Spurious freq. distance
40 - 862 MHz
>950 MHz
[dB]
[dB]
>60discrete interferences/>57 noise interferences
>20 relating to 100 dBµV system level and 90 dBµV operating level
Common data
Power consumption
[W]
10
Ambient temperature
[°C]
0... +50