Audio frequency meter (CB7957E)

Details
Written by: Newton C. Braga

 

     This circuit, found in a 90s Popular Electronics, uses a 0 to 1 mA milliammeter, which can be replaced by the lower current range of a common multimeter.

 


 

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Fault indicator (CB8381E)

          This circuit was found in an American documentation from 1969. The circuit is a multi-indicator with...

  • Two diodes power supply (CB4243E)

           This is the traditional unregulated power supply configuration with full wave rectification. For currents...

  • Simple oscillator (CB20531E)

      This oscillator takes advantage of the 2000 ohms headphone inductance as the oscillator circuit coil....

Latest