This circuit was found in a 90s Integrated Circuits Data Book. It interfaces a data line with a CMOS input, being powered by 5V. Can be used as a shield.
This circuit was found in an old publication about transistors. The circuit can be used to drive...
Using a symmetrical source this circuit reverses the rotation of a small motor through light...
This circuit was found in a 2005 Linear Technology documentation. The circuit is based on LTC4213...