concentric cable [电] 同心电缆
- In this case, which seems to violate the" no shield current" rule for receiver circuits, the concentric cable is not used to shield the center lead; instead, the geometrv produces cancellation.
这个例子看起来违背了上文“屏蔽体一定不能有电流”的准则,但是这里屏蔽电缆并非用来屏蔽芯线,而是通过这种特殊接法抵消干扰。
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