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◆Example7P49 Exercise2.4.5(1)一同相加法运算: ◆由虚断及虚短得: i1=-2 ●) Vp=VN=R3Yo/(R3+R ◆i=(1-p)/R1 i2=(y2p)/R2 EWB演示 1。)(R2y+R12) ◆求得:。=(1+)(R1+R ◆当R1=R2=R3=R4时,v0=V1+V2◆Example 7 P49 Exercise 2.4.5 (1)—同相加法运算 i1 iN iP i2 vi2 vo - + R4 R2 vN vP vi1 R1 R3 ◆由虚断及虚短得: i1= -i2 vP =vN =R3 vo / (R3 +R4 ) ◆ i1=(vi1 -vP ) / R1 i2=(vi2 -vP ) / R2 ◆当R1 =R2 =R3 =R4 时,vo =vi1 + vi2 ◆ )vRvR)( RR 1 )( RR 1(v 2i11i2 2134 o   求得:  EWB演示
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