Sexo

UNIVERSIDAD POLITECNICA SALESIANA

INGENIERIA ELECTRONICA

ING. RENE AVILA.

ELECTRONICA ANALOGICA

GRUPO 6

JUAN CARREÑO ABAD

CUARTO CICLO

2008 /2009

CUENCA ECUADOR

•FILTRO PASO BAJO CAPACITIVO (RC).

➢ CIRCUITO

➢ MEDICIONES

|fHz |100 |200 |500 |1K |1.6K ||VI |5.2 v |5.2 v |5.2 v |5.1 v |5 v |
|VS |2.1 v |2.1 v |1.8 v|1.57 v |1.14 v |
|IS |0 v |1.3 mA |1.5 mA |3.0 mA |3.5 mA |
|α|0.40 |0.40 |0.34 |0.30 |0.228 |
|αdB |-7.95 |-7.95 |-9.37|-10.45 |-12.84 |

➢ GRAFICAS

➢ COMENTARIOS

• VARIABLE CON LA L.D.R.

➢ CIRCUITO
➢ MEDICIONES

➢ GRAFICAS
➢ COMENTARIOS-----------------------
Analisis del filtro en el
Lab de analogica.

Conexion

periodo
T = 1 / f
angulo
θ = tθ × 360
T
Alfa
α = Vs / Vi
alfa decibeles
αdʙ = 20 log(α)

R= 10 KΩ

T= 1 / f
T = (1 / 1.6KHz) × 1000
T = 0.625

θ = tθ × 360
T
θ = 80 µs × 360
0.625
θ = 46˚ (-)

[pic]
Datos Conocidos:

fc = 1.6KHz
c = 10 nf

| f |α|θ |αdʙ |
|0 |1 |0 |0 |
|1/10 fc |0.995 |-5.71 |-0.04 |
|fc |0.707 |-45|-3.01 |
|10 fc |0.099 |-84.28 |-20.08 |
|α |0 |-90 |- α |

R= 1
2Π × fc × c

R=...