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文昌YL18-2050D

文昌YL18-2050D

  • Category:文昌Network transformer
  • Views:Times
  • Release date:2020-03-25
  • Description
  • Parameters
  • Characteristics

Speed:                    10/100BASE-T

Number of Ports:    Single

Circuit Features:     NON PoE

Package:                 DIP

Isolation Voltage:   1500Vrms

Temperature:          -40℃ to 85℃


网络优化资料:

1、微型以太网滤波器与RJ45中间,PHY层集成ic与变电器中间的间距应操纵在1inch内。当合理布局标准限定时,应优先选择确保变电器与RJ45中间的间距在1inch内;YL18-2050D

2、元器件合理布局依照数据信号流入置放,切忌绕来绕去;

3、微型EMI滤波器正下方的地平面图要切分,分隔线总宽不低于100MIL,网络接口变电器置放在GND和PGND的分隔线上;

4、每对差分信号布线必须操纵布线长短一致,另外留意操纵特性阻抗为100欧母;

5、留意PHY层集成ic的的大数字地和仿真模拟地统一,大数字开关电源和仿真模拟开关电源应用磁珠开展防护。另外要与变电器相互配合。留意PHY集成ic的开关电源滤波器,依照集成ic规定设计构思;

6、网络接口显示灯的电源插头3.3V或是2.5V来源于于开关电源平面图,要对他们应用磁珠和电容器开展退耦;显示灯驱动器线要挨近PHY连接起来电阻器,并在进到I/o地区以前开展电容器滤波器。那样避免噪音根据显示灯电源插头藕合到差分信号线对地区;


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