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多个THVD1410D设备,都加匹配120Ω电组,会存在什么问题



TI的专家,你们好:


       请教下多个THVD1410D设备,通讯距离100m左右,每个都加匹配120Ω电组,A上拉2K,下拉2K电阻,设备会存在什么问题。

谢谢。