Digital Head-End DVB-C Qam Demodulator (WDT-1400)

WDT-1400 QAMDemodulator using the latest international monolithic program, compatible with the MPEG standard, MPEG support various forms of service applications, can receive DVB-C format digital TV/digital audio and output MPEG-2 TS stream, at the same time RF loop output.The main technical indicators are in line with DVB-C/MPEG-2 standards, widely applied in front-end of digital TV.
DVB-C/MPEG-2 fully compatiblePAL / NTSC compatible formatFunction of program browsing Up to 300 program channels programming storageDirectly view the program name, program parameters such as PID valueLeft and right channels, stereo audio optionsUnique signal quality indicatorAudio and video outputTS stream output, ASI interfacesRF loop outputMemory protection for power-failHighly reliable switching power supply
Digital TV headend systemVideoconference
EN 50083-9 ISO/IEC 13818-1ISO/IEC 13818-2 MPEG-2 MP@MLISO/IEC 13818-3 LAYER I&IIETSI TR 101 154 ETSI TR 101 891
Stress in excess of the maximum absolute ratings can cause permanent damage to the device (See Table 1)
Table 1 - Recommended Operating Conditions ParameterSymbolMin.Max.UnitSupply VoltageNoteV90250VSupply FrequencyF4951Hzpower consumptionC25WAmbient Operating TemperatureTw0+50°CStorage TemperatureTs-25+55°COperating HumidityH1075%Note: Support both 110V and 220V supply voltage standards, but please let us know which one do you need when you release order.
Table 2 - Technical Specifications
ParameterSymbolDescriptionUnitRemarkMechanical dimensionHeightH42mmabout 1UWidthW434mmabout 17"DepthD340mmInput Signal and Demodulation PerformanceOperating Frequency Range-110~860MHzReceiving Signal Level Range--15~+20dBmDemodulation Mode-QAM 16/32/64/128/256NASymbol Rate Range-1.6~ 6.95Ms/sInput InterfaceRF Signal Input-F Connector
(with RF loopout)Output InterfaceNumber of ASI output-2Impedance-75WConnector-BNCNAEffective bit rate-0~270MbpsTS packet format-188 or 204ByteTransmission format -Data packetNAVideo output interface-2-way CVBS RCA-75Ω,
level 1Vp-p-Audio output interface-2xTwo channels with RCA-600Ω,
level 0.775V mVp-p-Human-Computer interaction-LCD andOSD interface-Audio DemodulateSound Decode-MPEG-I Layer I and IIAudio Operating Mode-Single Track/Double
Track/StereoAudio Amplitude-frequency characteristic-±0.5dB(60Hz~18kHz)Harmonic distortion-≤1%Video DemodulateVideo Amplitude-frequency characteristic-≤±0.5dB(less than 5MHz)K Coefficient-≤3%Differential Gain(p-p)-≤5%Differential Phase(p-p)-≤5ºColor delay inequality-≤30ns