CATV Digital Head-End Qam Modulator with Ts Multiplexing (WDQ-3204B)

• Type: TV Front-end Equipment
• Function: Signal Monitoring Equipment
• Certification: CE
• Condition: New
• name: QAM Modulator with TS Multiplexing
• suport: ITU-T J.83 Annex A
• Model NO.: WDQ-3204B
• Transport Package: Pearl Wool
• Specification: 1RU
• Trademark: Prevail/Fobetmoc
• Origin: China
• Production Capacity: 100PCS/Month

Product Description

CATV Digital Head-End Qam Modulator with Ts Multiplexing (WDQ-3204B)

Specifications
1. QAM modulator, TS-remultiplex
2. Four ASI inputs, multiplex
3. RF output and RF testing port, 16~256QAM scheme with 48~863MHz
Features: 
Up to 4 ASI inputs
Up to 108Mbps bit rate for each DVB-ASI input (cover both data packets and data burst)
Support multiplexing ( both SPTS and MPTS )
Adjustable Symbol Rate up to 7Mbaud
Max. Effective bit rate up to 51.6Mbps (SR=7Mbaud, 256QAM)
Nominal RF Output power ≥105dBuV (with 0~15dB adjustable attenuation range) and 48~863MHz frequency range. 
TS packet format input automatic detection and output configurable (188 or 204 bytes)
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 

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
Number of ASI input	-	4
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
RF Output
Impedance	-	75	W
Connector	-	BNC	NA
Frequency	-	48~863	MHz
Output level	-	>105	dBuV	Adjustable attenuation of 0~15dB
Modulation Specification
Modulation scheme	-	16QAM~256QAM	NA	Support Annex A
Symbol Rate	SR	≤7	Mbaud
Bandwidth	BW	8	MHz
Effective output bit rate	-	≤51.6	Mbps
Modulation Error Rate	MER	≥40	dB	After equalizer, 64QAM
Bit Error Rate	BER	≤10E-9		After FEC, 64QAM
Carrier to Noise	C/N	≥45	dB

Company Introduction

Process



Exhibition