CATV Digital Head-End DVB-T Modulator (WDQ-3300)

China CATV Digital Head-End DVB-T Modulator (WDQ-3300), Find details about China Qam Modulator, Modulator from CATV Digital Head-End DVB-T Modulator (WDQ-3300)

Model NO.
WDQ-3300
Trademark
Prevail/Fobetmoc
Transport Package
Neutral or According to Customer′s Request
Specification
DVB-T
Origin
China
HS Code
85437092
Model NO.
WDQ-3300
Trademark
Prevail/Fobetmoc
Transport Package
Neutral or According to Customer′s Request
Specification
DVB-T
Origin
China
HS Code
85437092
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
ParameterSymbolDescriptionUnitRemark
Mechanical dimension
HeightH42mmAbout 1U
WidthW434mmAbout 17"
DepthD340mm 
ASI Input (with loopout )
Number of ASI input-1  
Impedance-75W 
Connector-BNCNA 
Maximum bit rate-108Mbps 
TS packet format-188 or 204ByteAutomatic detection
Transmission format-Data packet or data burstNA 
SPI Input
Number of SPI input-1NA 
Connector-DB-25 femaleNA 
Packet format-188 or 204Bytewithout channel coding
Maximum bit rate-108MbpsLVDS mode
E3/DS3 Input(options, with loopout)
Number of E3/DS3 input-1NAG.703 standard
Impedance-75W 
Connector-BNCNA 
TS packet format-188 or 204Byte 
Data bit rate-E3/DS3(34.368/44.736)Mbps 
10MHz Clock Reference
Internal Stability-0.1ppm 
External Impedance-50W 
External Connector-BNCNA 
External Input level 55~70dBuV 
RF Output(with -20dB test output)
Impedance-75W 
Connector-BNCNA 
Frequency-48~860MHz 
Output level-100~115.5dBuVStep: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 RateMER≥40dB 
Signal to noise ratioSNR≥50dB 
Bit Error RateBER≥9x10E-9  
CATV Digital Head-End DVB-T Modulator (WDQ-3300)
CATV Digital Head-End DVB-T Modulator (WDQ-3300)
CATV Digital Head-End DVB-T Modulator (WDQ-3300)