Ever since single-chip op amps were introduced in the 1960s, thousands of different types have been developed, some more successful than others. Ask an experienced analog designer to name a few op ...

After a brief introductory section, this begins with the fundamental topology differences between the two broadest classes of op amps, those using voltage feedback and current feedback. These two ...

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 ...