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如下圖,這是一個運用電容產生一個負脈沖電路。 V1經過電容連(dian rong lian)接到運放(yun fang)衕相輸入端,再通過(tong guo)R2連到運放(yun fang)輸出端(chu duan)Vout。通過(tong guo)運放(yun fang)虛短虛斷知識,大家能知道流過C1,R2的電流是一樣的。噹V1是個...