Doorbell sound (CB8440E)

Details
Written by: Newton C. Braga

 

     This circuit was found in a 90s Popular Electronics. It produces a muted tone similar to that produced by a bell. The signal must be applied to an amplifier.

 


| Clique na imagem para ampliar |

 

 

 

  

Latest

Circuit Bench

  • Current Monitor (CB9664E)

      We found this circuit in factory documentation from the 70s. The operational amplifier is from...

  • Active tone control (CB9373E)

      This circuit is from a Radio Electronics from the 90's. The integrated circuit is from the time...

  • AC Integrator (CB20993E)

      This circuit was found in an old American publication. It is valid for any operational. Formulas for...

Buscador de Datasheets


N° de Componente