Chime delay (CB9679E)

Details
Written by: Newton C. Braga

 

Found in American documentation from the 1980s, this circuit prolongs the ringing of a doorbell or chime powered by a 6 V continuous voltage. The transistor can be a BD136.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • 5 MHz VFO (CB8640S)

           Found in a 90s QST magazine, this circuit uses components from that time. No information is given...

  • OPA1612QDRQ1 Audio Amplifier (COM007E)

         May 2016 - Mouser Electronics is sourcing the new high-performance audio amplifiers with bipolar...

  • Analog Divider (CB25586E)

      This circuit was found in the July 1993 issue of Radio Electronics magazine. Based on an AD532, it...

Latest