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一款由555定時器構成的人工啟動式單穩態電路圖

time : 2019-07-02 09:04       作者:凡億pcb

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RENGONGQIDONGSHIDANWENTAIDIANLUSHIJIANG555 DIANLUDEKUOZHIDUAN⑥JIAOHECHUFADUAN②JIAOLIANJIEZAIYIQI,JIANGTADEYIDUANTONGGUODIANZURTJIEDIANYUANVoo ,LINGYIDUANTONGGUODIANRONGCT JIEDI,TONGSHIZAIDIANRONGC1DELIANGDUANBINGLIANYIZHIANNIUKAIGUANKA ,ZHEZHIKAIGUANCHENGWEIRENGONGQIDONGKAIGUAN。CIWAI,HEQITADIANLUYIYANG,WEILEFANGZHIQITAZABODUIDIANLUDEGANRAO,ZAIDIANLUDE⑤JIAOYUDIJIANJIERENYIZHI0.01μF DEDIANRONG。FANGDIANDUAN⑦JIAOXUANKONG。

人工啟動型單穩態電路
人工啟動型單穩態電路


電路中, RT 、CT組成一個具有一定時間常數的RC 充放電電路,用來形成單穩態電路的暫穩態延時時間。改變RT 或C1的數值即可改變暫穩態的時間長度。

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