General purpose amplifier (CB8950E)

Details
Written by: Newton C. Braga

 

     This circuit was obtained in a QST magazine from the 90s. The circuit makes use of components that are uncommon today. The circuit includes a gain selection switch.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Battery test (CB9132E)

           Found in old documentation, this simple test checks both the polarity and the existence of voltage...

  • Crystal variable oscillator (CB9506E)

      Found in Radio Electronics from the 90s, this circuit can vary the frequency in small values...

  • Megaphone (CB1408E)

    This circuit can be made usng the TIP32 transistor but must use carbon microphone (not very common these...

Latest