CATV Digital 4 Channels 4 in 1 Qam Modulator Multiplexing Functionality

• Type: TV Front-end Equipment
• Style: Qam Modulator with Ts Multiplexing
• Transport Package: Netrual or According to Customer′s Request
• Specification: 1RU
• Trademark: Prevail/Fobetmoc
• Origin: China
• Model NO.: WDQ-3204B
• HS Code: 8517623400
• Production Capacity: 400PCS/Month

Product Description

CATV Digital 4 Channels 4 in 1 Qam Modulator Multiplexing Functionality

Specifications
1.QAM modulator, TS-remultiplex
2.Four ASI inputs, multiplex
3. RF output and RF testing port, 16~256QAM scheme with 48~863MHz

QAM Modulator feature :
1. Up to 4 ASI inputs
2. Up to 108Mbps bit rate for each DVB-ASI input (cover both data packets and data burst)
3.Support multiplexing
4. Adjustable Symbol Rate up to 7Mbaud
5. Max. effective bit rate up to 51.6Mbps (SR=7Mbaud, 256QAM)
6. Nominal RF Output power ≥105dBuV (with 0~15dB adjustable attenuation range) and 48~863MHz frequency range.
7. TS packet format input automatic detection and output configurable (188 or 204 bytes)
8. PSI/SI tables regeneration
9. PID filtering and re-mapping
10. Local keyboard control and LCD display, or access via Ethernet link






 

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	Step 1MHz
Output level	-	>100	dBuV	Adjustable attenuation of 0~15dB
Modulation Specification
Modulation scheme	-	16QAM~256QAM	NA	Support Annex- A/C
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	≤1x10E-8		After FEC, 64QAM
Carrier to Noise	C/N	≥45	dB

 

Company Introduction

Process



Exhibition