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КАТАЛОГГоловные станции КТВASTROМодуля Х серии
X-C/QAM twin 6 - DVB-C to QAM twin converter 
X-C/QAM twin 6 - DVB-C to QAM twin converter

Раздел: Модуля Х серии



  • 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
  • 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






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