Automatic TV turn off (CB10090E)

Details
Written by: Newton C. Braga

 

This old circuit from a documentation from the 70s disconnects a TV from a signal obtained on the TV itself, detecting when the tuned channel goes out of the air.

 


| Clique na imagem para ampliar |

 

 

  

Latest

Circuit Bench

  • Alarm with the 555 (CB6777E)

          Found in an old Popular Electronics this circuit is still current. The SCR can be of the 106...

  • Muscle signal simulator (CB7872E)

          This circuit simulates the signal produced by a muscle, serving to adjust medical equipment. The circuit...

  • Timed Switch (CB454)

    Pressing S1 by a moment L1 glows up, remaining by a time interval depending on C1. This time...

Buscador de Datasheets


N° de Componente