High impedance voltmeter (CB23618E)

Details
Written by: Newton C. Braga

 

We found this circuit in Radio Electronics magazine from November 1964. The circuit already uses a FET, one of the first available. It can be created with any modern FET and its function is to activate a sensitive 100 uA instrument.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • 12-V Battery Charger (CB1579E )

         The battery charger suggested in the figure has its current limited by resistor R1. This component may...

  • Divider by N + ½ (CB6533E)

          This interesting 80's EDN circuit divides the input pulse frequency by a number given by n...

  • Phone Patch (CB9398E)

      This circuit was found in a 1969 CQ magazine. It is intended for coupling telephones to radio...

Latest