1er. Examen Parcial CEII - Conceptos Teóricos
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Instructional Technology
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University
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Medium
F R
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A MAYOR CORRIENTE DE COLECTOR en un transistor:
MAYOR gm y RESISTENCIAS PEQUEÑAS
MAYOR gm y RESISTENCIAS GRANDES
MENOR gm y RESISTENCIAS GRANDES
MENOR gm y RESISTENCIAS PEQUEÑAS
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ecuación que define a este tipo de Par Darlington
β1 = IC1/IB1
β2 = IC2/IB2
βeq = β1β2 + β1 + β2
βeq = β1β2 + β1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ecuaciones de POLARIZARIZACION:
VBE = VBE1 y βeq = β1β2 + β1 + β2
VBE = VBE1 + VBE2 y βeq = β1β2 + β1 + β2
VBE = VBE1 + VBE2 y βeq = β1β2 + β1
VBE = VBE1 + VBE2 y βeq = β1β2
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
gmeq = gm2/2 debido a que:
La corriente dominante es ic2
El voltaje vb se reparte en partes iguales entre rπ1 y rπ2
Solamente el voltaje de control v2 es el que produce amplificacion
Domina el transistor Q1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
rπEQ =
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
roEQ =
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
La Av del PD disminuye porque:
Q1 disminuye el NIVEL de CORRIENTE en la entrada
La gm2 de Q2 genera la totalidad de la ganacia en voltaje
ro2 está casi en PARALELO con Q2
El voltaje de entrada se divide en 2 partes iguales
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