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产品名称:数字电视测试设备,智能数字调制器
Product name: digital television test equipment, intelligent digital modulator
型号:G81613
Model: G81613
G81613数字调制器是款具有专业高品质与高稳定性的前端调制器,它处理的传输流经过 RS 编码、加扰、交织、 QAM 调制、滤波成形 D/A 等信道处理,输出中频信号,最终经过上变频将数据流信号转换为频谱信号。该产品采用最新的调制技术,最大可支持 1024QAM ,极大提升与优化了射频输出指标性能。
G81613 digital modulator is A professional high quality and high stability of the front end of the modulator, it deals with the transmission flow through RS coding, scrambling, interweave, QAM modulation, filtering processing, forming such as D/A channel output intermediate frequency signal, finally through the inverter converts data flow signal spectrum signal. This product adopts the latest modulation technology, the biggest can support 1024 qam, greatly improve performance and optimize the rf output indicators.
主要应用:
Main application:
有线数字电视前端系统
Cable digital TV front end system
微波MMDS无线传播
Microwave MMDS wireless transmission
远程教育与会议电视
TV remote education and meeting
图像监控与视频点播
Image monitoring and video on demand
主要特征:
Main features:
支持调制模式16QAM、32QAM、64QAM、128QAM、256QAM、512QAM、1024QAM
Support for 16 qam modulation mode, 32 qam and 64 qam and 64 qam and 256 qam and 512 qam and 1024 qam
支持输入接口:ASI和DS3, 自动识别输入TS流的包格式188字节和204字节
Support input interface: ASI and DS3, automatic identification input TS stream packet format of 188 bytes and 204 bytes
输入数据的比特率范围:1.5~108Mbps
The input data bit rate range: 1.5 ~ 108 MBPS
输出数据符号率范围:1~7Mbaud/s
Output data symbol rate range: 1 ~ 7 mbaud/s
射频频率范围:45~862MHz(分段提供)
Rf frequency range: 45 ~ 862 MHZ (block)
输出电平范围:110dBuV~120dBuV(可步进)
Output level range: 110 dbuv ~ 120 dbuv (step)
具有高精度PCR校准功能与具有PID过滤功能
With PCR calibration with high precision and has the function of PID filter
支持PSI/SI编辑
Support the PSI/SI editor
支持中英文LCD液晶显示器,可本地实时监控系统状态和设置系统参数
Support both English and Chinese LCD display, can be set up local real-time monitoring system status and system parameters
具有以太网接口,可通过远程控制QAM调制器的参数配置,实时监测运行状态
With Ethernet interface, through the remote control of QAM modulator parameters configuration, real-time monitoring of running status
技 术 参 数
Technical reference number
数据接口
Data interface
DS3接口 : 数据速率:E3/DS3无幀格式 电平34.368Mbps/44.736Mbps ;符合G.703标准, 阻抗 75 Ω,BNC,一路输入一路环出
DS3 interface: data rate: E3 / DS3 without frame format level 34.368 Mbps / 34.368 megabits per second; 703 Ω accord with g. 703 standard, impedance, BNC, all the way to enter a vessel out
ASI 接口 :输入有效码流: ≤ 108Mbps ;2路标准ASI接口,BNC,阻抗75 Ω ;输入模式:突发模式/字节模式 ;包格式:188、204字节
ASI interface: enter a valid code flow: 108 MBPS or less; ASI 2 road standard interface, BNC, 75 Ω impedance; / byte input mode: a burst mode; Packet formats: 188, 204 bytes
射频接口
The radio frequency interface
射频主输出:
Radio frequency (rf) the main output:
输出频率:45-862MHz ;阻抗 75 Ω,F型 ;反射损耗:≥15dB 输出电平:110dBuV~120dBuV,步进0.5dB 载波抑制: > 55dB 相位噪声:≤ -95dBc/Hz@10KHz
Output frequency: 45-862 MHZ; Impedance Ω, 75 F type; Reflection loss: 15 dB output level or higher: 110 dbuv ~ 120 dbuv, step 0.5 dB rejection: > 55 dB phase noise: - 95 DBC/Hz or less @ 10 KHZ
射频测试输出: 输出电平90dBuV~100dBuV(可调)
Rf test output: the output level 90 dbuv ~ 100 dbuv (adjustable)
信道编码
Channel coding
调制方式: QPSK,16QAM,32QAM,64QAM,128QAM,256QAM,512QAM,1024QAM
Modulation mode, QPSK, 16 qam, 32 qam and 64 qam and 128 qam and 256 qam and 512 qam and 1024 qam
调制差错率(MER):≥36 dB
Error rate modulation (killing) : 36 dB or more
SNR( 带外):≥50dB
SNR (out-of-band) : 50 db or more
纠错编码 ; (204,188)RS 编码
Error correction coding; (204188) RS codes
信道带宽: 8M
Channel bandwidth: 8 m
信源处理
Source processing
PID 过滤与修改
PID filter and modification
PSI/SI 生成与修改插入
PSI/SI generation and modify the insert
PCR 去抖动与校正
PCR jitter and correction
输入码率根据参数配置自适应调整
The input bit rate adaptive adjustment based on the parameter configuration
控制接口
Control interface
以太网接口:IEEE802.3以太网,RJ45接口,采用SNMP协议或WEB网管
Ethernet interface: IEEE802.3 Ethernet, RJ45 interface, USES the SNMP protocol or WEB network management
前面板按键操作,液晶中英文显示,指标灯显示
The front panel button operation, liquid crystal display in both English and Chinese, indicator light display
物理参数
Physical parameters
额定电压:AC 200-250V 50/60Hz
Rated voltage: AC 200-250 - v 50/60 hz
额定功率: 20 W
Rated power: 20 W
操作温度: -10 ~ 50°C
Operating temperature: - 10 ~ 50 ° C
存储条件: -10 ~ 75 °C
Storage conditions: - 10 ~ 75 ° C
尺寸:长 : 318mm 宽 : 483mm 高 : 44mm (标准 1U )
Size: length: 318 mm width: 483 mm high: 44 mm standard 1 (u)
重量: 4kg
Weight: 4 kg