This circuit was found in a 1967 documentation. The switch diode is a component of the time and is difficult to find today.
This low voltage AC control uses a triac. Any TIC series triac can be used and this device must be...
This circuit uses an unusual Motorola integrated. The circuit is from Motorola's 1990 Linear...
This circuit was obtained in a French documentation from 1981 and can be easily assembled. The...