K2=Uvalj/U1 (U2 =0 ) K1 =( R4/ R3 +R4)(1 +R 2/R 1) 37. K2 =- R2/ R1 32. A ( - ) -- Uvalj = K1U2= K2 U1 , ( , , Uvalj= Kudi f(U 2-U1) Kudi f=K1= -K2 ) . , . , . 47. : / , .
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