With this circuit it is possible to obtain a voltage of -5 V from a 5 V source. The circuit is from Radio Electronics from May 1982. The maximum current is around 80 mA.
Found in old American documentation, this circuit is intended for the control of heating elements. The...
This circuit was found in old documentation, appearing elsewhere in this section, taken from other...
This variable duty cycle circuit was found in the December 1993 issue of Electronics Now magazine. The...