In previous articles—Common op-amp circuits, Op amps do integration, and The practical op-amp differentiator is quite versatile—we looked at some classic op amp circuits. These circuits used negative ...

We are all used to the op-amp, as a little black box from which we can derive an astonishingly useful range of circuit functions. But of course within it lurks a transistor circuit on a chip, and ...

The Splitvolt splitter switch allows EV owners to safely charge their car from an existing 240-volt outlet in their home. This can save them anywhere from a few hundred dollars to thousands. By ...