如圖所示,555和rl、rpl、c1等組成可控音頻振蕩器,f=1.44/(r1+2rp1)c1,圖示參數(shù)的頻率在600hz~20khz之間,可通過調(diào)節(jié)rp1來選定。
555射頻驅(qū)動(dòng)音頻振蕩器電路 來源:loveyou
如圖所示,555和rl、rpl、c1等組成可控音頻振蕩器,f=1.44/(r1+2rp1)c1,圖示參數(shù)的頻率在600hz~20khz之間,可通過調(diào)節(jié)rp1來選定。 555射頻驅(qū)動(dòng)音頻振蕩器電路 來源:loveyou
如圖所示,555和rl、rpl、c1等組成可控音頻振蕩器,f=1.44/(r1+2rp1)c1,圖示參數(shù)的頻率在600hz~20khz之間,可通過調(diào)節(jié)rp1來選定。
555射頻驅(qū)動(dòng)音頻振蕩器電路 來源:loveyou