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foxman:你知道极际电容的意思吗? 二极管即使不施加偏置亦能泄通RF信号。(可将它视为变阻器,所以S21@-7dB时,基本上视同是二极管的隔离度_isolation) [表情] (2023-03-10 09:50) c+#GX)zh\G
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