Tema 1D Amplificador Operacional
Tema 1D Amplificador Operacional
Tema 1D Amplificador Operacional
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U 1<br />
U 2<br />
U N<br />
U<br />
S<br />
EL A.O. : Amplif. Sumador-Restador<br />
R 1<br />
=<br />
−<br />
R<br />
R<br />
2<br />
1<br />
-<br />
+<br />
⋅<br />
R 2<br />
N<br />
∑<br />
i=<br />
1<br />
U<br />
i<br />
U S<br />
SUMADOR-RESTADOR ANALÓGICO