China CATV Digital Qam Modulator

Specifications
1. Digital TV QAM modulator
2. One ASI input, one RF output and one RF test output
3. Frequency 48~863MHz
Features:
One ASI input, up to 108Mbps bit rate for DVB-ASI input (cover both data packets and data burst)
Support TS re-multiplexing function
Support 1.15MHz~8.05MHz bandwidth
Provide RF output monitoring port (-20dB)
Adjustable Symbol Rate up to 7Mbaud
Max. Effective bit rate up to 51.6Mbps (SR=7Mbaud, 256QAM)
Nominal RF Output power ≥ 110dBuV ( with 0~15dB adjustable attenuation range) and 48~863MHz frequency range
PSI/SI tables regeneration
PID filtering and re-mapping
Local keyboard control and LCD display, or access via Ethernet link
Application:
Re-multiplex for all DVB program Transport Stream related application
DVB-C QAM modulation

ParameterSymbolDescriptionUnitRemarkMechanical dimensionHeightH42mmabout 1UWidthW434mmabout 17"DepthD340mm ASI InputNumber of ASI input-1 Impedance-75W Connector-BNCNA Maximum bit rate-108Mbps TS packet format-188 or 204ByteAutomatic detectionTransmission format-Data packet or data burstNA RF OutputImpedance-75W Connector-BNCNA Frequency-48~863MHz Output level->100dBuVAdjustable attenuation 0~15dBModulation SpecificationModulation scheme 16~256QAM Support Annex-A,CSymbol RateSR5~7Mbaud BandwidthBW1.15~8.05MHz Effective output bit rate ≤51.6MbpsSR=7Mbaud, 256QAMModulation Error RateMER≥40dBAfter equalizer, 64QAMBit Error RateBER≥9x10E-9 After FEC, 64QAMCarrier to NoiseC/N≥45dB

Product Process