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Hangzhou Prevail Optoelectronic Equipment Co., Ltd.

QAM Demodulator, Qam Modulator, cable tv modulator manufacturer / supplier in China, offering Digital Head-End DVB-C Qam Demodulator (WDT-1400), Wep5000-08e Epon Olt, Waterproof Shell Optical Node (WR1004HJ) and so on.

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Supplier Homepage Product Digital Qam Modulator Digital Head-End DVB-C Qam Demodulator (WDT-1400)

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

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 100PCS/Month
Payment Terms: T/T

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Basic Info
  • Model NO.: WDT-1400
  • Housing Material: Paint Tin
  • Operating Frequency Range: 110MHz~860MHz
  • Audio Amplitude-frequency characteristic: + 0.5dB
  • Transport Package: Neutral or According to Customer′s Request
  • Origin: China
  • Type: TV Head-End Machine
  • Brand: Prevail
  • Video Amplitude-frequency characteristic: ≤+ 0.5dB
  • Trademark: Prevail/Fobetmoc
  • Specification: 1RU
Product Description
Description
WDT-1400 QAM Demodulator 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.
 
Features
DVB-C/MPEG-2 fully compatible
PAL / NTSC compatible format
Function of program browsing
Up to 300 program channels programming storage
Directly view the program name, program parameters such as PID value
Left and right channels, stereo audio options
Unique signal quality indicator
Audio and video output
TS stream output, ASI interfaces
RF loop output
Memory protection for power-fail
Highly reliable switching power supply
 
Application
Digital TV headend system
Video conference
 
Compatible
EN 50083-9
ISO/IEC 13818-1
ISO/IEC 13818-2 MPEG-2 MP@ML 
ISO/IEC 13818-3 LAYER I&II
ETSI TR 101 154
ETSI TR 101 891
 
Recommended Operating Conditions
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.Unit
Supply Voltage NoteV90250V
Supply FrequencyF4951Hz
power consumptionC 25W
Ambient Operating TemperatureTw0+50°C
Storage TemperatureTs-25+55°C
Operating HumidityH1075%
Note: Support both 110V and 220V supply voltage standards, but please let us know which one do you need when you release order.
 
Specifications
Table 2 - Technical Specifications
 
ParameterSymbolDescriptionUnitRemark
Mechanical dimension
HeightH42mmAbout 1U
WidthW434mmAbout 17"
DepthD340mm 
Input Signal and Demodulation Performance
Operating Frequency Range-110~860MHz 
Receiving Signal Level Range--15~+20dBm 
Demodulation Mode-QAM 16/32/64/128/256NA 
Symbol Rate Range-1.6~ 6.95Ms/s 
Input Interface
RF Signal Input-F Connector
(with RF loopout)
  
Output Interface
Number of ASI output-2  
Impedance-75W 
Connector-BNCNA 
Effective bit rate-0~270Mbps 
TS packet format-188 or 204Byte 
Transmission format -Data packetNA 
Video output interface-2-way CVBS RCA-75Ω,
level 1Vp-p
- 
Audio output interface-2×Two channels with RCA-600Ω,
level 0.775V mVp-p
- 
Human-Computer interaction-LCD and OSD interface- 
Audio Demodulate
Sound Decode-MPEG-I Layer I and II  
Audio Operating Mode-Single Track/Double
Track/Stereo
  
Audio Amplitude-frequency characteristic-± 0.5dB(60Hz~18kHz)
Harmonic distortion-1% 
Video Demodulate
Video Amplitude-frequency characteristic-±0.5dB(less than 5MHz)
K Coefficient-≤3% 
Differential Gain(p-p)-≤5% 
Differential Phase(p-p)-≤5º 
Color delay inequality-30ns 
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