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Telphone:+86-0571-82553307
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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.
send inquiryParameter | 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 | % |
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 | |
- | ||||
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 |
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 |
Reversion | Updating description | Date |
REV. 1.0 | New datasheet | 2012/7/2 |
REV. 1.1 | Add step of RF output | 2013/2/20 |
REV. 2.0 | Update the Logo | 2013/3/27 |
The Company is a scientific and technological innovative company dedicated to research and development, production, sales and technical services of communication equipment, optical communication equipment, mobile terminal equipment and intelligent system of Internet of Things. With years of accumulation and accumulation in the CATV equipment manufacturing industry, the company's relevant product technology, performance and R&D level are in the advanced position in the same industry at home and abroad, and has been praised and trusted by many users at home and abroad. QAM Modulator with TS Multiplexing:WDQ-3204B Suppliers and Company in China. At the same time, the company has become an industry leader that can provide cable TV network equipment and data communication system overall solutions for radio and television operators.
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