Tone switch (CB9224E)

Details
Written by: Newton C. Braga

 

     This circuit recognizes a tone determined by the tuned input circuit (R3 / R4 / C2). The circuit was found in Radio Electronics from the 90s. The 4046 is not a common component today.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • CB Modulator (CB23784E)

      This transmitter modulator amplifier for the 11-meter band (CB) was published in Radio Electronics...

  • Low-power oscillator HA7210 (CB25582E)

      This oscillator, which operates from 2 V, was found in the June 1993 issue of Radio Electronics magazine....

  • Electrometer (CB7371E)

           This amplifier for electrometer can work with currents of 0.1 pA in a band of 1 Hz. The circuit is...

Latest