Repeater Beeper (CB20678E)

Details
Written by: Newton C. Braga

 

This circuit was found in documentation for radio amateurs of the 1980s. This is the so-called roger-beep, which is the beep that is transmitted when the talk-listen function is changed.

 

 


| Clique na imagem para ampliar |

 

 

 

  

Latest

Circuit Bench

  • Rain Alarm (CB12479E)

      This circuit is from a 1979 publication. The sensor consists of plates or screens that, when...

  • Crystal Sinusoidal Oscillator (CB5129E)

           Found in an 80's documentation this circuit uses an integrated from the uncommon era today. Other...

  • Slave flash (CB8700E)

           This circuit was found in a Popular Electronics from the 90s. It uses a LASCR which is a photo-SCR...

Buscador de Datasheets


N° de Componente