Off-hook Telephone Indicator (CB5994E)

Details
Written by: Newton C. Braga

 

    This circuit was found in a 1980s US publication. It indicates when the phone is off-hook by triggering an indicator.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • SCR Tester (CB825E)

    General purpose, up to 8 A SCRs can be tested with this simple circuit. In special the circuit is...

  • Battery Stack Monitor (CB5413E)

           This circuit monitors the current of a series of 40 V lithium battery packs connected in series....

  • 860 W dimmer (CB5279E)

          This circuit was obtained from an old American documentation having a limited adjustment range....

Latest