QAM Modulator with TS Multiplexing:WDQ-3204B Suppliers, Company - Hangzhou Prevail Communication Technology Co., Ltd

QAM Modulator with TS Multiplexing:WDQ-3204B

WDQ-3204B is a new compact (1RU only) chassis and cost-effective QAM modulator with a multiplexing function, which is designed by Hangzhou Prevail according to the DVB-related standards. WDQ-3204B has 4 ASI inputs (Max. bit rate of each channel up to 108Mbps), one of RF output and RF testing output. The WDQ-3204B has a very convenient and friendly management interface, the user can complete all operations via the local keyboard and LCD display on the device, or access through the Ethernet port on the device.

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Back List

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

● Adjustable Symbol Rate up to 7Mbaud

● Max. effective bit rate up to 51.6Mbps (SR=7Mbaud, 256QAM)

● Nominal RF Output power ≥100dBuV (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

Compatible

● EN 50083-9

● ETSI TR 101 154

● ETSI TR 101 891

● EN 300 429

● ITU-T J.83 Annex A

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

Parameter		Symbol	Min.	Max.	Unit
Supply Voltage	Note	V	90	250	V
Supply Frequency		F	49	51	Hz
power consumption		C		25	W
Ambient Operating Temperature		Tw	0	50	OC
Storage Temperature		Ts	-25	55	OC
Operating Humidity		H	10	75	%

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

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	Ω
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	Ω
Connector	-	BNC	NA
Frequency	-	48~863	MHz	Step 1MHz
Output level		>100	dBuV	Adjustable attenuation of 0~15dB
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

Panel Diagram
Front panel：

Rear panel：

Ordering Information

Part Number	Description
	TS re-multiplexing and QAM modulator, 4 ASI inputs (up to 108Mbps for each channel ), RF output and RF testing port, 16~256QAM scheme with 48~863MHz frequency, SR 5~7Mbaud
WDQ-3204B