sam985111 发表于 2008-5-12 09:57 有种简单的办法，用矢网测回损，然后除以2，或是做块PCB，上面做几个相连的测试点，用两条线测下插损， ...
Undo
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Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
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