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ui1åç¬ä½ç¨ï¼ä¸æ¹è¿æ¾çui-=1/2ui1ï¼ui+=(1/2)uoc`ï¼uoc`=-(uo`/2R3)R2
ui-=ui+ï¼1/2ui1=-(uo`/2R3)R2=-uo`
æ¤æ¶uo`=-0.5ui1
ui2åç¬ä½ç¨ï¼ä¸æ¹è¿æ¾çui-=0ï¼ui+=0
ui2/R1=-uoc``/R1ï¼uoc``=-(uo``/2R3)R2=-uo``
ui2/R1=uo``/R1ï¼uo``=ui2
uo=uo`+uo``=-0.5ui1+ui2
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