标题: 请教大神怎么理解UL294第14章节关于天线链接端子接地的要求？ [打印本页] 作者: jansle_happy 时间: 2022-4-14 09:23 标题: 请教大神怎么理解UL294第14章节关于天线链接端子接地的要求？ 如题，请教大神怎么理解UL294第14章节关于天线链接端子接地的要求？怎么测试？谢谢 ) H c2 C0 I6 B* G1 I9 E14.2 Each terminal provided for the connection of an external antenna shall be conductively connected to the supply circuit grounded conductor. The conductive connection shall have a maximum resistance of 5.2 megohms, a minimum wattage rating of 1/2 watt, and shall be effective with the power switch in either the on or off position. 3 Y4 Z+ T" v7 IException: The conductive connection need not be provided if:: C" q* ~1 |4 s- {9 _ a) Such a connection is established in the event of electrical breakdown of the antenna isolating means; 2 d3 s4 L' l' _b) The breakdown does not result in a risk of electric shock; and ; L+ s- l$ X2 N% M2 rc) In a construction using an isolating power transformer, the resistance of the conductive connection between the supply circuit and chassis does not exceed 5.2 megohms.! M# P0 V, G! a