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LM741
, . 1, , :
I1=U1/R1
I2=U2/R2
I=I1+I2
Ioc= I1+I2=-U/Roc
:
U=- (I1+I2)* Roc=- (U1/R1+ U2/R2) * Roc=- Roc/R(U1+U2)
R = R1 = R2.
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