Fase 2 Estudiante 5

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-Estudiante 5: e.) Calcular la ganancia de voltaje AV.

Formulas

AV = -Gm∙ RD Gm = ID / VGS RD = (VCC – VD) / ID Información

ID= 3mA VGS (off)= -8V VCC= 20V VD= 10V

Teniendo en cuenta la información que nos dieron en la guía. Teniendo en cuenta lo anterior identificaremos a donde pertenecen estos valores:

Sabiendo que: S = source G = gate D = drain ID es la intensidad de drain VGS el voltaje que hay entre G y S VCC es la fuente VD el voltaje de drain Nos piden hallar AV pero no sabemos cuánto vale Gm y tampoco RD entonces resolvemos con la formula dada: 𝐺𝑚 = 𝐺𝑚 =

𝐼𝐷 𝑉𝐺𝑆

0.003 −8

𝐺𝑚 = −3.75 ∗ 10−4

RD = (VCC – VD) / ID

𝑅𝐷 =

(20 − 10) 0.003

𝑅𝐷 = 3333.33 AV = -Gm∙ RD 𝐴𝑣 = −(−3.75 ∗ 10−4 ) ∗ 3333.33 𝐴𝑣 = 1.24999875

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