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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
* O2 z7 z9 q. k3 P: B7 F$ K+ i14.2 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.1 f+ ~( j1 d% _3 S/ ^
Exception: The conductive connection need not be provided if:
) v8 s* K! }' ~- F! la) Such a connection is established in the event of electrical breakdown of the antenna isolating means;
, X; t3 z! r6 D( {; h- a" \b) The breakdown does not result in a risk of electric shock; and$ i+ A. T' B4 T; e R9 p
c) 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.7 ?! \/ l; L' s: Y; w* Z, e
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