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КАТАЛОГГоловные станции КТВASTROМодуля V серии
V504 - DVB-C to QAM twin-converter 
V504 - DVB-C to QAM twin-converter

Раздел: Модуля V 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 [Ω] IEC jack, 75
Input data rate [Mbaud] 0,5 - 7, adjustable
Modulation types (according DVB standard)   QPSK, QAM16, QAM32, QAM64, QAM128, QAM256
AFC-catch range   adjusted automatically
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 adjustment   yes
PCR correction / PID filter   yes
NIT handling   yes
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
Connectors [Ω] IEC jack, 75
Frequency 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] > 60 discrete interferences / > 57 noise interferences > 20 relating to 100 dBµV system level and 90 dBµV operating level
Common data
Power consumption [W] 9
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 [Ω] IEC jack, 75
Input data rate [Mbaud] 0,5 - 7, adjustable
Modulation types (according DVB standard)   QPSK, QAM16, QAM32, QAM64, QAM128, QAM256
AFC-catch range   adjusted automatically
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 adjustment   yes
PCR correction / PID filter   yes
NIT handling   yes
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
Connectors [Ω] IEC jack, 75
Frequency 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] > 60 discrete interferences / > 57 noise interferences > 20 relating to 100 dBµV system level and 90 dBµV operating level
Common data
Power consumption [W] 9
Ambient temperature [°C] 0... +50






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