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КАТАЛОГГоловные станции КТВASTROМодуля Х серии
X-QAM twin 5 - SAT-Digital-TV (QPSK, DVB-S) to  Cabel-Digital-TV (QAM, DVB-C) 
X-QAM twin 5 - SAT-Digital-TV (QPSK, DVB-S) to Cabel-Digital-TV (QAM, DVB-C)

Раздел: Модуля Х серии



  • for processing of two QPSK-modulated SAT-IF-signals into two QAM-modulated adjacent channels in the frequency range of 47 - 862 MHz;
  • future-proof by integrated data rate adjustment, PCR-correction, PID-filter and NIT-generation

QPSK demodulator
Input frequency range[MHz]920 - 2150
Input level[dBµV]50- 80
SAT IF input[©]F jack, 75
Spectrum shape cos-roll-off[%]35
Input data rate[mBaud]2,4-30,0
Viterbidecoding
1/2; 2/3; 3/4; 5/6; 7/8, automatically / manually (according DVB standard)
QAM modulator
Modulation
16-, 32-, 64-, 128-, 256-QAM (digital implementation)
Shoulder attenuation[dB]typ. 50
Signal processing
according DVB-Standard
Spectrum shape[%]15 cos-roll-off
FEC
Reed-Solomon (204,188)-Code
Data rate adjust
yes
PCR correction
yes
PID filter
yes
NIT handling
yes
Output symbol rate[MBaud]3,45 - 6,9
Bandwidth[MHz]4 - 8, depending on symbol rate
Brutto data rate[MBit/s]ca. 13,8 … 55,2
RF Output
Connections[©]IEC jack, 75
Frequency range[MHz]47 - 862(C 2- C 69)
Output level[dBµV]80 … 90, adjustable
MER (Equalizer, 64 QAM)[dB]typ. 40
Spurious freq. distance
40-862MHz
>950 MHz

[dB]
[dB]

> 60 discrete interferences / > 57 noise interferences
> 20 relating to 100 dBµV system level and 90 dBµV operating level
Common data
Power consumption[W]9,5
Ambient temperature[°C]0... +50
  • for processing of two QPSK-modulated SAT-IF-signals into two QAM-modulated adjacent channels in the frequency range of 47 - 862 MHz;
  • future-proof by integrated data rate adjustment, PCR-correction, PID-filter and NIT-generation

QPSK demodulator
Input frequency range[MHz]920 - 2150
Input level[dBµV]50- 80
SAT IF input[©]F jack, 75
Spectrum shape cos-roll-off[%]35
Input data rate[mBaud]2,4-30,0
Viterbidecoding
1/2; 2/3; 3/4; 5/6; 7/8, automatically / manually (according DVB standard)
QAM modulator
Modulation
16-, 32-, 64-, 128-, 256-QAM (digital implementation)
Shoulder attenuation[dB]typ. 50
Signal processing
according DVB-Standard
Spectrum shape[%]15 cos-roll-off
FEC
Reed-Solomon (204,188)-Code
Data rate adjust
yes
PCR correction
yes
PID filter
yes
NIT handling
yes
Output symbol rate[MBaud]3,45 - 6,9
Bandwidth[MHz]4 - 8, depending on symbol rate
Brutto data rate[MBit/s]ca. 13,8 … 55,2
RF Output
Connections[©]IEC jack, 75
Frequency range[MHz]47 - 862(C 2- C 69)
Output level[dBµV]80 … 90, adjustable
MER (Equalizer, 64 QAM)[dB]typ. 40
Spurious freq. distance
40-862MHz
>950 MHz

[dB]
[dB]

> 60 discrete interferences / > 57 noise interferences
> 20 relating to 100 dBµV system level and 90 dBµV operating level
Common data
Power consumption[W]9,5
Ambient temperature[°C]0... +50






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