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КАТАЛОГГоловные станции КТВASTROМодуля Х серии
X-T/QAM twin 6 - Terrestrisch-Digital-TV (COFDM, DVB-T) to cabel-Digital-TV (QAM, DVB-C) 
X-T/QAM twin 6 - Terrestrisch-Digital-TV (COFDM, DVB-T) to cabel-Digital-TV (QAM, DVB-C)

Раздел: Модуля Х серии



  • for processing of two DVB-T 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
COFDM
Input frequency range[MHz]47 - 862
Input level[dBµV]35 - 84
Input[©]IEC jack, 75
Channel bandwidth[MHz]6; 7; 8
Modulation types

(according DVB standard)
Return loss[dB]typ. 8
Level control[dB]
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]

> 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 DVB-T 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
COFDM
Input frequency range[MHz]47 - 862
Input level[dBµV]35 - 84
Input[©]IEC jack, 75
Channel bandwidth[MHz]6; 7; 8
Modulation types

(according DVB standard)
Return loss[dB]typ. 8
Level control[dB]
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]

> 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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