Found in a 1968 Motorola documentation, this circuit operates at 1 kHz and can deliver 20 V from 12 V. Transistors support modern equivalents.
July 2017 - The new touch switches from Alps SKPS series for surface mounting can now be purchased from...
The output voltage of this circuit, which can regulate the current in a load between 0 and 1 A,...
Found elsewhere in this section, but from other sources, this circuit is from Motorola...