Este circuito permite obtener un pulso de salida independiente, en duración, del tiempo de acción sobre el interruptor S1. Una aplicación posible es en contadores, para eliminar el rebaje de los contactos del interruptor, que puede ser responsable de la producción de un tren de pulsos en lugar de un solo, al ser presionado. Se utilizan en este caso dos de las 4 puertas NAND del integrado 4001. El diodo D1 es de uso general 1N4148. Compruebe que los pines 7 y 14 se conectan a la fuente de alimentación. Es conveniente acercarse a las entradas de las demás puertas del integrado, si no las utilizan. En la misma figura mostramos los tiempos obtenidos para las señales en este circuito. El tiempo t1 depende del valor del capacitor C1, mientras que el tiempo t2 depende del valor del capacitor C2. Una característica importante de este circuito, a ser observada, es que la salida, normalmente en el nivel HI, permanece un cierto tiempo t2 en el nivel LO después de terminado el impulso producido por el interruptor S1.

 


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18.813MBMemory Usage49.59msRequest Duration
Joomla! Version5.2.3
PHP Version8.3.16
Identityguest
Response200
Templatecassiopeia
Database
Server
mysql
Version
10.5.22-MariaDB
Collation
latin1_swedish_ci
Conn Collation
utf8mb4_general_ci
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[]
$_POST
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$_SESSION
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$_SERVER
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