Complete alarm with 4001 (CB24367E)

Details
Written by: Newton C. Braga

 

This alarm with NO and NC sensors was found in the January 1975 Radio Electronics magazine. The circuit emits a powerful sound that depends on the output transistor.

 


| Clique na imagem para ampliar |

 

 

 

  

Latest

Circuit Bench

  • 1 W amplifier with the LM390 (CB13753E)

      This circuit is from the National Semiconductor Audio Handbook. The amplifier operates with 6 V...

  • FET Switch (CB6725E)

           This switched filter was found in the 1969 documentation. The FET should be current-matched and eventually...

  • Sample and hold (CB8878E)

           This independently charged circuit was found in a 1969 EEE. The operational amplifier supports a...

Buscador de Datasheets


N° de Componente