CATV Digital TV 16qam~256qam Modulator

• Customization: Available
• Type: TV Front-end Equipment
• Function: Signal Monitoring Equipment
• Model NO.: WDQ-3200
• Condition: New
• Name: Qam Modulator
• Transport Package: Neutral or According to Customer′s Request
• Specification: 1RU
• Trademark: Prevail/Fobetmoc
• Origin: China
• Production Capacity: 100PCS/Month

Product Description

Description

WDQ-3200B is a new compact (1RU only) chassis and cost-effective QAM modulator, which is designed by Hangzhou Prevail according to the DVB related standards. WDQ-3200B has one ASI input, the RF output supports 16QAM~256QAM modes. The WDQ-3200B 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

1. One ASI input, up to 108Mbps bit rate for DVB-ASI input (cover both data packets and data burst)
2. Support TS re-multiplexing function
3. Support 1.15MHz~8.05MHz bandwidth
4. Support 16QAM,32QAM,64QAM,128QAM, 256QAM modulation modes
5. Provide RF output monitoring port (-20dB)
6. Adjustable Symbol Rate up to 7Mbaud
7. Max. effective bit rate up to 51.6Mbps (SR=7Mbaud, 256QAM)
8. Nominal RF Output power ≥100dBuV ( with 0~15dB adjustable attenuation range) and 48~863MHz frequency range
9. PSI/SI tables regeneration
10. PID filtering and re-mapping
11. Local keyboard control and LCD display, or access via Ethernet link

Application

1. Re-multiplex for all DVB program Transport Stream related application
2. DVB-C QAM modulation

 

Compatible

1. EN 50083-9
2. ETSI TR 101 154
3. ETSI TR 101 891
4. EN 300 429
5. ITU-T J.83 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	°C
Storage Temperature	Ts	-25	+55	°C
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	-	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
RF Output
Impedance	-	75	W
Connector	-	BNC	NA
Frequency	-	48~863	MHz	Step 1MHz
Output level	-	>100	dBuV	Adjustable attenuation 0~15dB
Modulation Specification
Modulation scheme		16~256QAM		Support Annex- A/C
Symbol Rate	SR	5~7	Mbaud
Bandwidth	BW	1.15~8.05	MHz
Effective output bit rate		≤51.6	Mbps	SR=7Mbaud, 256QAM
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

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