Мортелеком-Сервис \ Каталог \ Модуля 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