You need a TVS diode because many voltage regulators do not have the ability to sink current, nor can they respond fast ...

There are, of course, many other types of amplifiers, as well as other reasons to use op amps such as oscillators, filters, and other even more exotic circuits. We’ll talk about some of them ...

The operational amplifier, or op amp, is one of the most basic ... way too low to process anything resembling audio, but is plenty for slow-moving circuits like gas sensors. The Apex PA52 is ...