Found in a 1968 Motorola documentation, this circuit operates at 1 kHz and can deliver 20 V from 12 V. Transistors support modern equivalents.
This circuit, found in a Popular Electronics from 1992, is based on an oscillator and a crystal...
This circuit was found in an Experimenters Handbook of the 1990s. The purpose of this circuit is to...
The configurations of the two previous circuits can be modified to operate with a simple power...