This circuit multiplies the input voltage by 3 and can work with up to 12 V input. The current is a few mA. We found it in the Radio Electronics magazine of December 1992.
This circuit was suggested by Sprague Electric in an 80's documentation. The circuit uses a...
This circuit was found in a Radio Electronics from June 1967. The regulator is suitable for power...
This circuit is designed to be used with the infrared transmitter two circuits before this one....