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Tema 1D Amplificador Operacional

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V E<br />

i A<br />

i E<br />

R 1<br />

R 1<br />

i S<br />

V -<br />

V +<br />

R S<br />

-<br />

+<br />

R 2<br />

R 2<br />

La corriente de salida no depende de R S<br />

i A<br />

i A<br />

v<br />

v<br />

EL A.O. : Conversor V/I I<br />

FASES<br />

V + = V -<br />

i A = V -<br />

R 1<br />

i E =<br />

i S =<br />

V E –V +<br />

V E<br />

R 1<br />

R 1<br />

i S = i E + i A<br />

i S = V E –V +<br />

R 1<br />

+ V -<br />

R 1

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