[問題] 示波器
請問示波器跟訊號產生器都會有一個地方可以選阻抗
平常在量時,都是選1M, 但是我看旁邊有50ohm
50ohm是什麼時候用呢?
但我兩個都設50時,發現示波器波型怪怪的...為什麼呢?
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