| − | [[文件:RC_Series_Filter_(with_V&I_Labels).png|300x500像素|none|缩略图|串联RC电路,左侧为输入电压,电阻值为 R,电容量为 C,输出电压为电容两端的电压。引自<ref name="rc circuit">{{cite website|title=RC Circuit|url=https://en.wikipedia.org/wiki/RC_circuit}}</ref>]] | + | [[文件:RC_Series_Filter_(with_V&I_Labels).png|300x500像素|none|缩略图|串联RC电路,左侧为输入电压,电阻值为 R,电容量为 C,输出电压为电容两端的电压。引自<ref name="rc circuit">{{cite web |