Automatic call recorder (CB8656E)

Details
Written by: Newton C. Braga

 

     Suggested by a 90’s Radio Electronics, this circuit automatically activates the recording switch of an old tape recorder. It can be adapted for other purposes.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Relay Flasher (CB11965E)

      This circuit controls a relay causing it to open and close its contacts at a speed that depends on the...

  • Millivoltmeter AC (CB7344E)

           This circuit from Ferranti was released in 1969. It makes use of the company's transistors that admit...

  • Displacement sensor (CB8265E)

            This photoelectric circuit was found in a 70’s Ferranti's documentation. The circuit uses an...

Latest