Found in a Popular Electronics from the 90s, this circuit provides 100 W of power. The power supply is from a 25V source and the integrated circuit must be equipped with a heatsink.
This transistor source has the output voltage selected by zeners and the LED indication of which...
This simple TTL electronic dice uses common anode displays. The circuit is from a March 1975 Radio...
This circuit was obtained in an old Elektor. It is a reference, since the integrated products of the...