Found in documentation from the 70s, this circuit uses an operational one from that time. It goes for modern equivalents.
This MW bedside radio was found in an English documentation from 1989. It is based on a dedicated...
This circuit with the TDA3410 was found in the SGS manual from 1982. The circuit was used in car...
Vz determines the trigger point for this protection circuit. The SCR doesn’t need to be mounted on a...