Gold Member Since 2007
Audited Supplier
Hangzhou Prevail Optoelectronic Equipment Co., Ltd.

Qam Modulator, Modulator, Cable Tv Modulator manufacturer / supplier in China, offering DVB-T modulator(WDQ-3300), Waterproof Optical Fiber Closure, CATV Adjacent Agile Modulator and so on.

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DVB-T modulator(WDQ-3300)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 100PCS/Month
Transport Package: Neutral or According to Customer′s Request
Payment Terms: T/T

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Basic Info
  • Model NO.: WDQ-3300
  • MER: ≥40 dB
  • Height: 42mm(About 1U)
  • Depth: 400mm
  • Specification: DVB-T
  • HS Code: 85437092
  • TS packet format: 188 or 204
  • BER: :≥9x10E-9
  • Width: 434mm(About 17")
  • Trademark: Prevail/Fobetmoc
  • Origin: China
Product Description
Description:
WDQ-3300 DVB-T according to DVB-T standard output the RF signals, which can be transmitted through HFC and MMDS networks. It is widely used in digital TV, data broadcasting, VOD, Internet, video conference systems. The WDQ-3300 has very convenient management interface, the user can complete all operation via local keyboard and LCD display on device, or access through the Ethernet port on device.

Features:
Compliant to EN300744 standard
Support 6MHz/7MHz/8MHz band width
Error correction follows DVB-T standard
Operable in QPSK, 16QAM, 64QAM mode
Support 2K/8K carrier-wave operating mode
Input interface: ASI and SPI(DS3/E3 optional)
Input bit rate:1.5~31.67Mbps
Output band width:6/7/8MHz
188 and 204 packet automatic identification, shows real-time data format
Advance output TS efficiency
Capable of NIT mapping and sending; supports over 44 NIT mapping frequency
Holds 8 groups of PID filtering and re-mapping function
Support all PSI/SI data abstraction, modification and analysis
Null packet filtering and filling
Performs multiple PCR correction simultaneously
Monitor and test real-time enter/valid bit rate
Self-adjust filter circuit design in order guarantees superb SNR (out of band)
-20dB RF test output is available (IF output is options)
Failure alarming and power off memory
Local keyboard control and LCD display, or access via Ethernet link

Application:
DVB-T modulation

Compatible:
MPEG-2(ISO/IEO ISO 13818&ISO11172-31)
EN300 744(DVB-T) standard
Parameter Symbol Description Unit Remark
Mechanical dimension
Height H 42 mm About 1U
Width W 434 mm About 17"
Depth D 340 mm  
ASI Input (with loopout )
Number of ASI input - 1    
Impedance - 75 W  
Connector - BNC NA  
Maximum bit rate - 108 Mbps  
TS packet format - 188 or 204 Byte Automatic detection
Transmission format - Data packet or data burst NA  
SPI Input
Number of SPI input - 1 NA  
Connector - DB-25 female NA  
Packet format - 188 or 204 Byte without channel coding
Maximum bit rate - 108 Mbps LVDS mode
E3/DS3 Input(options, with loopout)
Number of E3/DS3 input - 1 NA G.703 standard
Impedance - 75 W  
Connector - BNC NA  
TS packet format - 188 or 204 Byte  
Data bit rate - E3/DS3(34.368/44.736) Mbps  
10MHz Clock Reference
Internal Stability - 0.1 ppm  
External Impedance - 50 W  
External Connector - BNC NA  
External Input level   55~70 dBuV  
RF Output(with –20dB test output)
Impedance - 75 W  
Connector - BNC NA  
Frequency - 48~860 MHz  
Output level - 100~115.5 dBuV Step:0.5 dBuV
Modulation Specification
Modulation scheme - QPSK,16,64QAM    
FEC - 1/2,2/3,3/4,5/6,7/8    
Guard Interval - 1/4,1/8,1/16,1/32    
RS encode - 204byte mode    
IFFT - 2K/8K    
Modulation Error Rate MER ≥40 dB  
Signal to noise ratio SNR ≥50 dB  
Bit Error Rate BER ≥9x10E-9    
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