Informe de experimento 5
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EXPERIMENTO V: Efectuar mediciones de fase
1.- Construya sobre el protoboard el circuito de la Fig. (2)
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2.- Seleccione el canal CH-1, ajuste la velocidad de barrido a 0.2mSEG/DIV y centre la forma de
onda en sentido vertical sobre el eje "X". -Con el control variable de la velocidad de barrido varíe el ancho de la
forma de onda hasta lograr que un periodo ocho divisiones en sentido horizontal.-si se corre la forma d onda
estabilícela con el control "LEVEL".
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3.- Para determinar el desfasaje cuente el número de divisiones "n" que hay entre los cruces por cero entre ambas formas de onda y luego aplique una regla de tres simple así;
8 DIV ------------- 360o
"n"DIV ------------90
De donde ; 90 = ("n" DIV) x (360°) /8DIV = (n ) x (360)/8 =90 ° n=2
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4.- Repita este procedimiento para la medición de la fase a otras frecuencias moviendo el dial generador y ajustando adecuadamente los controles horizontales y verticales del osciloscopio
2hz:
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3hz:
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