De pulsos cortos, generadas por el generador de funciones, el circuito mostrado en la Figura 1 produce oscilaciones amortiguadas cuya frecuencia depende de la resistencia y el condensador de tiempo de red (2,2 nF y 100k). Estos componentes se pueden cambiar tan a menudo como se desee. La amortiguación se puede controlar a través del potenciómetro de 22 k. En la simulación se puede actuar sobre este control con el fin de obtener diferentes tasas de amortiguación.

 

    Figura 1 - Con el oscilador amortiguado 741.
Figura 1 - Con el oscilador amortiguado 741.

 

La fuente de alimentación debe ser simétrica 6 V a 12 V y otros amplificadores operacionales pueden ser utilizados. En la figura 2 tenemos una forma de onda amortiguada obtenida en el osciloscopio virtual del Multisim.

 

 

Figura 2 - Formas de onda en el osciloscopio virtual.
Figura 2 - Formas de onda en el osciloscopio virtual.

 

Haga clic aquí para descargar la simulación (msb0022.zip)

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