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Anexo 7: Diodos-FETs

Anexo 7: Diodos-FETs

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INTRODUCCIÓN BÁSICA A DIODOS Y FETS- <strong>Diodos</strong>El diodo es un componente no lineal adecuado para circuitos digitales dado que presentados estados bien diferenciados: corte y conducción.a b c S0 0 0 00 0 1 0IPNa b c S0 0 0 00 0 1 10 1 0 00 1 1 01 0 0 01 0 1 0CorteIConducciónVV D ≈ 0.7V0 1 0 10 1 1 11 0 0 11 0 1 11 1 0 01 1 0 11 1 1 11 1 1 1“0”**AND (lógica positiva)+V C“1”“1”“1”abcRS=abc“1” (V DD )“0” (GND)S = V D ≈ “0”S ≈ V DD = “1”“1”**“0”“0”“0”abcOR (lógica positiva)S=a+b+cS = V DD - V D ≈ “1”RS ≈ 0 = “0”

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