Push-pull stage (CB21796E)

This circuit with 1W of output was found in a Mullard manual from 1960. The consumption is low and germanium transistors of the time are used.

| Clique na imagem para ampliar |

Pulsating Buzzer (CB24716E)
Found in the September 1982 issue of Radio Electronics magazine, this circuit triggers a relay...
LEDs in 110 V and 220 V (CB12804E)
The circuit shown has the advantage over the reductions with resistors to have a much higher...
Alarm Delay (CB26236E)
This circuit provides a delay for the activation of an alarm, giving the owner time to leave the...