This chapter was inspired by Walt Jung's treatment of op amp history in the first chapter of his book, Op Amp Applications (Reference 1). His writing on the subject contains references to hundreds of interesting articles, patents, etc., which taken as a whole, paints a fascinating picture of the development of the operational amplifier—from Harold Black's early feedback amplifier sketch t…
Electronics World + Wireless World is undoubtedly the foremost electronics magazine in the UK, being widely read by both professional electronics engineers on the one hand and electronics hobbyists and enthusiasts on the other, in the UK, abroad and indeed around the world. The first article of mine to feature in the magazine, then called simply Wireless World, appeared back in the very ea…