482 怎么用三极管放大ＲＣ延时电路的延时量？轻松放大几十倍
Synopsis
RC电路可以实现基本的延时功能，但是如果要比较长的延时量，就要较大的电容量和电阻值。用三极管的电流放大作用，在负载相同 ...
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