This sample and hold circuit is from a 1969’s documentation. However, it can be built with modern equivalent components, including the matched pair of transistors.
This voltage inverter allows you to raise the voltage of a battery to values as high as 140 V...
Adders appear several times on this site with operators of all types. In this circuit the output...
The purpose of this circuit found in a 1994 documentation is to drive a 24 V motor. The circuit...