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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

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