Gain controled shield for operational (CB8777E)

Details
Written by: Newton C. Braga

 

     This circuit was found in a 90s Popular Electronics. With it, using a 4066, it is possible to control between 1 to 100 the gain of an operational amplifier like the 741.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Triggered buzzer (CB8972E)

           This circuit can be used as a shield as long as the power is supplied with voltage equal to that...

  • Megaphone (CB4418E)

           This simple megaphone is from old documentation, but uses still current components. The circuit is...

  • Telephone Amplifier (CB18148E)

      This simple telephone amplifier can be used as an auxiliary amplifier for additional listening, without...

Latest