Fire siren (CB21232E)

Details
Written by: Newton C. Braga

 

This circuit that emits siren sound can be used in a fire alarm. We found it in an old American documentation. The signal must be applied to a good audio amplifier.

 


| Clique na imagem para ampliar |

 

 

 

  

Latest

Circuit Bench

  • Stereo Multiplex (CB17282E)

      This circuit is from 2001 documentation, serving to multiplex stereo signals for FM transmitters. The...

  • Symmetrical Inverter (CB6647E)

           This circuit reverses the signal if both positive and negative. We found it in an American...

  • Mini amplifier (CB21958E)

      Found in a publication by Gernsback from 1960, this circuit makes use of germanium transistors of the time....

Buscador de Datasheets


N° de Componente