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 found in Linear Technology Applications of 1997, using components of the time. The...
The circuit shown is based on National Semiconductor buffers and was found in the 1994 Linear...
This circuit is an application for an operational amplifier with field effect transistors from...