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