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Instituto Tecnológico de Costa Rica
Departamento de Electrónica
Curso: Microelectrónica (Laboratorio)
Experimento #6
Amplificador operacional
Materiales y Equipo:
-
1 Osciloscopio, 1 generador de señales, 1 fuente de CD.
-
1 placa de amplificador operacional.
-
1 jugo de cables
-
1 juego de puentes
Circuito de medición
Circuito #1
Procedimiento
Arme el circuito de medición.
Para R2 = 10K y R1 = 2K mida y dibuje en fase correcta Vi y Vs. Use VIP = 1v. Observe que se trata de un circuito inversor de fase.
Vi = 0.4v Vs = 3v
Av = 7.5v
3- Cambie los valores de R1 y R2 de acuerdo con la tabla numero 1. Mida y anote el valor del voltaje pico-pico de Vi y Vs
Tabla 1: Ganancia de Voltaje del Amplificador Inversor
R1 | 1K | 10K | 10K | 20K |
R2 | 10K | 10K | 20K | 33K |
Vipp | 0.8v | 0.8v | 1.5v | 0.8v |
Vspp | 6.8v | 0.8v | 0.8v | 1.3v |
Av | 8.5v | 1v | 0.53v | 1.625v |
Para cada caso de la tabla calcule Av.
Av = Vs / Vi
5 - Arme el circuito N° 2.
Circuito de medición
Circuito #2
Para R2 = 10K y R1 = 2K mida y dibuje en fase correcta Vi y Vs.
Use VIPP = 1v. Observe que se trata de un circuito No inversor de fase.
Vi = 0.4v Vs = 2.9v
Av = 7.25v
7- Cambie los valores de R1 y R2 de acuerdo con la tabla numero 2. Mida y anote el valor del voltaje pico-pico de Vi y Vs
Tabla 2: Ganancia de Voltaje del Amplificador No Inversor
R1 | 1K | 10K | 10K | 20K |
R2 | 10K | 10K | 20K | 33K |
Vipp | 0.8v | 0.8v | 0.8v | 0.8v |
Vspp | 7.5v | 1.5v | 2.2v | 2v |
Av | 9.37v | 1.87v | 2.75v | 2.5v |
Para cada caso de la tabla calcule Av.
Av = Vs / Vi
Instituto Tecnológico de Costa Rica
DIPLOMADO EN ELECTRÓNICA
ELECTRÓNICA DIGITAL
REPRESENTACIÓN DE NÚMEROS
EN PUNTO FIJO Y PUNTO FLOTANTE
___ Entrada
___ Salida
___ Entrada
___ Salida
R2 / R1
R2 / R1
Descargar
Enviado por: | Jefu |
Idioma: | castellano |
País: | Costa Rica |