Telephone Recording (CB24587E)

Details
Written by: Newton C. Braga

 

This telephone recording circuit was found in the June 1979 issue of Radio Electronics magazine. The components are common at the time and the power is supplied by the power grid.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • 1 Hz to 1 MHz Oscillator (CB13485E)

      We found this oscillator in a 1978 amateur radio documentation. The circuit supports other...

  • SCR Timer (CB854E)

    Small time intervals up o some minutes can be achieved with this circuit. Only incandescent lamps...

  • 4024 VCO (CB4573E)

          In the figure we show yet another CMOS component based voltage controlled oscillator circuit. The...

Latest