Мортелеком-Сервис \ Каталог \ Модуля Х серии \ X-QAM twin 3

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

QPSK demodulator
Input frequency range	[MHz]	920 - 2150
Input level	[dBµV]	50- 80
SAT IF input	[Ω]	F jack, 75
Spectrum shape cos-roll-off	[%]	35
Input data rate	[mBaud]	10,0- 30,0
Viterbi decoding		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
Output symbol rate	[MBaud]	depends on input data rate
Bandwidth	[MHz]	depends on input data rate
Brutto data rate	[MBit/s]	depends on input data rate
RF Output
Connections	[Ω]	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 - 862 MHz	[dB]	> 60 discrete interferences / > 57 noise interferences
Spurious freq. distance >950 MHz	[dB]	> 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

QPSK demodulator
Input frequency range	[MHz]	920 - 2150
Input level	[dBµV]	50- 80
SAT IF input	[Ω]	F jack, 75
Spectrum shape cos-roll-off	[%]	35
Input data rate	[mBaud]	10,0- 30,0
Viterbi decoding		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
Output symbol rate	[MBaud]	depends on input data rate
Bandwidth	[MHz]	depends on input data rate
Brutto data rate	[MBit/s]	depends on input data rate
RF Output
Connections	[Ω]	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 - 862 MHz	[dB]	> 60 discrete interferences / > 57 noise interferences
Spurious freq. distance >950 MHz	[dB]	> 20 relating to 100 dBµV system level and 90 dBµV operating level
Common data
Power consumption	[W]	9,5
Ambient temperature	[°C]	0... +50