La presencia de un pulso en la entrada CTRL produce una señal de audio de duración determinada por el capacitor de 2,2 uF. Esta señal tiene la frecuencia dada por el capacitor de 1 uF, que puede ser alterado en el rango de 220 nF hasta 2,2 uF. El resistor R en serie con el transistor BCS48 determina el nivel de audio, pudiendo tener valores entre 47 y 220 ohms, típicamente. La alimentación del 7400 se realiza en los pines 14 y 7. Recordamos que el 74121 consiste en un monoestable, disparado externamente por los pines 3 y 4. El circuito se puede utilizar como shield.

 


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18.812MBMemory Usage49.33msRequest 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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