[理工] OP負回授
我想問的是
1.為什麼OP負回授後他會虛短路,V+=V-
2.然回授則是飽和輸出,V+和V-兩端不一樣
ex.史密特
3.Wein's Oscillator既有正回授又有負回授,怎麼去判斷是哪個??
(OP設為理想)
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