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RS485电缆
9841 Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
9842 Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
9843 Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
9844 Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
3105A 3105A Paired - EIA Industrial RS-485 PLTC/CM
3106A Multi-Conductor - EIA Industrial RS-485 PLTC/CM
3107A Paired - EIA Industrial RS-485 PLTC/CM
3108A Paired - EIA Industrial RS-485 PLTC/CM
3109A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
82841 Multi-Conductor - Low Capacitance Computer and Computer P.O.S. Cable
9842LS Instrumentation and computer cable for EIA RS-485
89841 Multi-Conductor - Low Capacitance Computer and Computer P.O.S. Cable
工业以太网电缆
7932A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
7933A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
7923A Multi-Conductor - Category 5e DataTuff® Twisted Pair Cable
7918A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
7924A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
7929A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
7921A Paired - Category 5e DataTuff® Twisted Pair Cable
7922A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
7934A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
7937A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
7928A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
11700A Paired - Low Capacitance Computer Cable for EIA RS-485 Applications
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> 技术信息 >线缆专业知识 > 铝箔屏蔽与编织网屏蔽
铝箔屏蔽与编织网屏蔽
在电气性能上面有区别:
屏蔽的主要作用是消除外界电磁波的干扰,
采用不同的屏蔽形式会有不同的屏蔽效果;
编织屏蔽适合于高频通信场合,而且还具有柔软,无方向性等优点;
铝箔屏蔽的屏蔽效果,很明显,是没有编织屏蔽好的,但是铝箔屏蔽可以做到百分之百的覆盖。
一般情况下,单独使用铝箔屏蔽只会用于低频场合,
但是在高频场合,都会采用铝箔+地线+编织这种复合的屏蔽方式,
在串音参数上
采用编织网屏蔽要比铝箔屏蔽要好。
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